diff --git a/NOTICE.txt b/NOTICE.txt
index adfaf00..8eb427a 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,4 +1,12 @@
-This work is based upon
+The work in jdbc-connection-pool is base upon
+
+https://github.com/brettwooldridge/HikariCP
+
+as of 28 Dec 2021
+
+License: Apache 2.0
+
+The work in jdbc-query is based upon
 
 https://github.com/susom/database
 
diff --git a/jdbc-connection-pool/src/test/java/org/xbib/io/pool/jdbc/SaturatedPoolTest830.java b/jdbc-connection-pool/src/test/java/org/xbib/io/pool/jdbc/SaturatedPoolTest.java
similarity index 98%
rename from jdbc-connection-pool/src/test/java/org/xbib/io/pool/jdbc/SaturatedPoolTest830.java
rename to jdbc-connection-pool/src/test/java/org/xbib/io/pool/jdbc/SaturatedPoolTest.java
index 8534919..686e1d6 100644
--- a/jdbc-connection-pool/src/test/java/org/xbib/io/pool/jdbc/SaturatedPoolTest830.java
+++ b/jdbc-connection-pool/src/test/java/org/xbib/io/pool/jdbc/SaturatedPoolTest.java
@@ -20,9 +20,9 @@ import org.xbib.jdbc.connection.pool.PoolConfig;
 import org.xbib.jdbc.connection.pool.PoolDataSource;
 
 @ExtendWith(PoolTestExtension.class)
-public class SaturatedPoolTest830 {
+public class SaturatedPoolTest {
 
-    private static final Logger logger = Logger.getLogger(SaturatedPoolTest830.class.getName());
+    private static final Logger logger = Logger.getLogger(SaturatedPoolTest.class.getName());
 
     private static final int MAX_POOL_SIZE = 10;
 
diff --git a/jdbc-mariadb/src/main/java/org/xbib/jdbc/mariadb/MariaDB.java b/jdbc-mariadb/src/main/java/org/xbib/jdbc/mariadb/MariaDB.java
index 39fbed0..5b6e279 100644
--- a/jdbc-mariadb/src/main/java/org/xbib/jdbc/mariadb/MariaDB.java
+++ b/jdbc-mariadb/src/main/java/org/xbib/jdbc/mariadb/MariaDB.java
@@ -4,6 +4,7 @@ import org.xbib.jdbc.query.Flavor;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
+import java.util.Locale;
 
 public class MariaDB implements Flavor {
 
@@ -26,8 +27,16 @@ public class MariaDB implements Flavor {
     }
 
     @Override
-    public boolean isNormalizedUpperCase() {
-        return false;
+    public String normalizeTableName(String tableName) {
+        if (tableName == null) {
+            return tableName;
+        }
+        if (tableName.length() > 2) {
+            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
+                return tableName.substring(1, tableName.length() - 1);
+            }
+        }
+        return tableName.toLowerCase(Locale.ROOT);
     }
 
     @Override
@@ -52,7 +61,7 @@ public class MariaDB implements Flavor {
 
     @Override
     public void setFloat(PreparedStatement preparedStatement, int i, Float floatValue) throws SQLException {
-        preparedStatement.setFloat(i, floatValue);
+        preparedStatement.setDouble(i, floatValue);
     }
 
     @Override
@@ -98,6 +107,11 @@ public class MariaDB implements Flavor {
         return "datetime(3)";
     }
 
+    @Override
+    public String columnTypeLocalDateTime() {
+        return "DATETIME";
+    }
+
     @Override
     public String typeLocalDate() {
         return "date";
diff --git a/jdbc-mariadb/src/test/java/org/xbib/jdbc/mariadb/test/MariaDBTest.java b/jdbc-mariadb/src/test/java/org/xbib/jdbc/mariadb/test/MariaDBTest.java
index 122d29f..9681b9b 100644
--- a/jdbc-mariadb/src/test/java/org/xbib/jdbc/mariadb/test/MariaDBTest.java
+++ b/jdbc-mariadb/src/test/java/org/xbib/jdbc/mariadb/test/MariaDBTest.java
@@ -1,6 +1,7 @@
 package org.xbib.jdbc.mariadb.test;
 
 import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
@@ -9,13 +10,24 @@ import org.xbib.jdbc.query.Config;
 import org.xbib.jdbc.query.ConfigSupplier;
 import org.xbib.jdbc.query.DatabaseProvider;
 import org.xbib.jdbc.query.OptionsOverride;
+import org.xbib.jdbc.query.Schema;
+import org.xbib.jdbc.query.Sql;
+import org.xbib.jdbc.query.SqlArgs;
 import org.xbib.jdbc.test.CommonTest;
 
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 public class MariaDBTest extends CommonTest {
 
     static MariaDBContainer<?> mariaDBContainer;
 
     static {
+        // mariadb 10.3.6
         mariaDBContainer = new MariaDBContainer<>("mariadb")
                 .withDatabaseName("testDB")
                 .withUsername("testUser")
@@ -88,21 +100,156 @@ public class MariaDBTest extends CommonTest {
         super.intervals();
     }
 
-    @Disabled("MariaDB temporarily disabled")
-    @Override
-    public void metadataColumnNames() {
-        super.intervals();
-    }
-
     @Disabled("MariaDB temporarily disabled")
     @Override
     public void metadataColumnTypes() {
         super.metadataColumnTypes();
     }
 
-    @Disabled("MariaDB temporarily disabled")
+    /**
+     * MariaDB seems to have different behavior in that is does not convert
+     * column names.
+     * I haven't figured out how to smooth over this difference, since all databases
+     * seem to respect the provided case when it is inside quotes, but don't provide
+     * a way to tell whether a particular parameter was quoted.
+     */
     @Override
+    @Test
+    public void metadataColumnNames() {
+        db.dropTableQuietly("dbtest");
+        new Schema().addTable("dbtest").addColumn("pk").primaryKey().schema().execute(db);
+        db.toSelect("select Pk, Pk as Foo, Pk as \"Foo\" from dbtest")
+                .query(rs -> {
+                    Assertions.assertArrayEquals(new String[]{"Pk", "Foo", "Foo"}, rs.getColumnLabels());
+                    return null;
+                });
+    }
+
+    /**
+     * This one is adjusted in that the float values are passed as double, because
+     * the database stores them both as double and there doesn't appear to be a way
+     * to tell that one was actually declared as a float.
+     *
+     * Also, CLOBs are stored as strings ("mediumtext" is just an alias).
+     */
+    @Test
     public void saveResultAsTable() {
-        super.saveResultAsTable();
+        new Schema().addTable("dbtest")
+                .addColumn("nbr_integer").asInteger().primaryKey().table()
+                .addColumn("nbr_long").asLong().table()
+                .addColumn("nbr_float").asFloat().table()
+                .addColumn("nbr_double").asDouble().table()
+                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
+                .addColumn("str_varchar").asString(80).table()
+                .addColumn("str_fixed").asStringFixed(1).table()
+                .addColumn("str_lob").asClob().table()
+                .addColumn("bin_blob").asBlob().table()
+                .addColumn("boolean_flag").asBoolean().table()
+                .addColumn("date_millis").asLocalDateTime().table()
+                .addColumn("local_date").asLocalDate().schema().execute(db);
+        db.toInsert("insert into dbtest (nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar,"
+                        + " str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date) values (?,?,?,?,?,?,?,?,?,?,?,?)")
+                .argInteger(Integer.MAX_VALUE)
+                .argLong(Long.MAX_VALUE)
+                .argDouble((double) Float.MAX_VALUE)
+                .argDouble(Double.MAX_VALUE)
+                .argBigDecimal(new BigDecimal("123.456"))
+                .argString("hello")
+                .argString("Z")
+                .argClobString("hello again")
+                .argBlobBytes(new byte[]{'1', '2'})
+                .argBoolean(true)
+                .argLocalDateTime(now)
+                .argLocalDate(localDateNow)
+                .insert(1);
+
+        db.toInsert("insert into dbtest (nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar,"
+                        + " str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date) values (?,?,?,?,?,?,?,?,?,?,?,?)")
+                .argInteger(Integer.MIN_VALUE)
+                .argLong(Long.MIN_VALUE)
+                .argDouble((double) Float.MIN_VALUE)
+                .argDouble(Double.MIN_VALUE)
+                .argBigDecimal(new BigDecimal("-123.456"))
+                .argString("goodbye")
+                .argString("A")
+                .argClobString("bye again")
+                .argBlobBytes(new byte[]{'3', '4'})
+                .argBoolean(false)
+                .argLocalDateTime(now)
+                .argLocalDate(localDateNow)
+                .insert(1);
+
+        String expectedSchema = new Schema().addTable("dbtest2")
+                .addColumn("nbr_integer").asInteger().table()
+                .addColumn("nbr_long").asLong().table()
+                .addColumn("nbr_float").asFloat().table()
+                .addColumn("nbr_double").asDouble().table()
+                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
+                .addColumn("str_varchar").asString(80).table()
+                .addColumn("str_fixed").asStringFixed(1).table()
+                .addColumn("str_lob").asClob().table()
+                .addColumn("bin_blob").asBlob().table()
+                .addColumn("boolean_flag").asBoolean().table()
+                .addColumn("date_millis").asLocalDateTime().table()
+                .addColumn("local_date").asLocalDate()
+                .schema()
+                .print(db.flavor());
+
+        List<SqlArgs> args = db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
+                        + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest")
+                .query(rs -> {
+                    List<SqlArgs> result = new ArrayList<>();
+                    while (rs.next()) {
+                        if (result.size() == 0) {
+                            db.dropTableQuietly("dbtest2");
+                            Schema schema = new Schema().addTableFromRow("dbtest2", rs).schema();
+                            assertEquals(expectedSchema, schema.print(db.flavor()));
+                            schema.execute(db);
+                        }
+                        result.add(SqlArgs.readRow(rs));
+                    }
+                    return result;
+                });
+
+        db.toInsert(Sql.insert("dbtest2", args)).insertBatch();
+
+        assertEquals(2, db.toSelect("select count(*) from dbtest2").queryIntegerOrZero());
+        assertEquals(db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
+                                + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest order by 1")
+                        .queryMany(SqlArgs::readRow),
+                db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
+                                + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest2 order by 1")
+                        .queryMany(SqlArgs::readRow));
+        assertEquals(Arrays.asList(
+                        new SqlArgs()
+                                .argInteger("nbr_integer", Integer.MIN_VALUE)
+                                .argLong("nbr_long", Long.MIN_VALUE)
+                                .argDouble("nbr_float", (double) Float.MIN_VALUE)
+                                .argDouble("nbr_double", Double.MIN_VALUE)
+                                .argBigDecimal("nbr_big_decimal", new BigDecimal("-123.456"))
+                                .argString("str_varchar", "goodbye")
+                                .argString("str_fixed", "A")
+                                .argString("str_lob", "bye again")
+                                .argBlobBytes("bin_blob", new byte[]{'3', '4'})
+                                .argString("boolean_flag", "N")//.argBoolean("boolean_flag", false)
+                                .argLocalDateTime("date_millis", now)
+                                .argLocalDate("local_date", localDateNow),
+                        new SqlArgs()
+                                .argInteger("nbr_integer", Integer.MAX_VALUE)
+                                .argLong("nbr_long", Long.MAX_VALUE)
+                                .argDouble("nbr_float", (double) Float.MAX_VALUE)
+                                .argDouble("nbr_double", Double.MAX_VALUE)
+                                .argBigDecimal("nbr_big_decimal", new BigDecimal("123.456"))
+                                .argString("str_varchar", "hello")
+                                .argString("str_fixed", "Z")
+                                .argString("str_lob", "hello again")
+                                .argBlobBytes("bin_blob", new byte[]{'1', '2'})
+                                .argString("boolean_flag", "Y")//.argBoolean("boolean_flag", true)
+                                .argLocalDateTime("date_millis", now)
+                                .argLocalDate("local_date", localDateNow)),
+                db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
+                                + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest2 order by 1")
+                        .queryMany(SqlArgs::readRow));
     }
+
 }
diff --git a/jdbc-oracle/src/main/java/org/xbib/jdbc/oracle/Oracle.java b/jdbc-oracle/src/main/java/org/xbib/jdbc/oracle/Oracle.java
index e431f6e..c714ba5 100644
--- a/jdbc-oracle/src/main/java/org/xbib/jdbc/oracle/Oracle.java
+++ b/jdbc-oracle/src/main/java/org/xbib/jdbc/oracle/Oracle.java
@@ -28,8 +28,16 @@ public class Oracle implements Flavor {
     }
 
     @Override
-    public boolean isNormalizedUpperCase() {
-        return true;
+    public String normalizeTableName(String tableName) {
+        if (tableName == null) {
+            return tableName;
+        }
+        if (tableName.length() > 2) {
+            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
+                return tableName.substring(1, tableName.length() - 1);
+            }
+        }
+        return tableName.toUpperCase();
     }
 
     @Override
@@ -87,6 +95,11 @@ public class Oracle implements Flavor {
         return "timestamp(3)";
     }
 
+    @Override
+    public String columnTypeLocalDateTime() {
+        return "TIMESTAMP";
+    }
+
     @Override
     public String typeLocalDate() {
         return "date";
diff --git a/jdbc-postgresql/src/main/java/org/xbib/jdbc/postgresql/Postgresql.java b/jdbc-postgresql/src/main/java/org/xbib/jdbc/postgresql/Postgresql.java
index f82ec5c..33ab4b7 100644
--- a/jdbc-postgresql/src/main/java/org/xbib/jdbc/postgresql/Postgresql.java
+++ b/jdbc-postgresql/src/main/java/org/xbib/jdbc/postgresql/Postgresql.java
@@ -4,6 +4,7 @@ import org.xbib.jdbc.query.Flavor;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
+import java.util.Locale;
 
 public class Postgresql implements Flavor {
 
@@ -26,8 +27,16 @@ public class Postgresql implements Flavor {
     }
 
     @Override
-    public boolean isNormalizedUpperCase() {
-        return false;
+    public String normalizeTableName(String tableName) {
+        if (tableName == null) {
+            return tableName;
+        }
+        if (tableName.length() > 2) {
+            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
+                return tableName.substring(1, tableName.length() - 1);
+            }
+        }
+        return tableName.toLowerCase(Locale.ROOT);
     }
 
     @Override
@@ -95,6 +104,11 @@ public class Postgresql implements Flavor {
         return "timestamp(3)";
     }
 
+    @Override
+    public String columnTypeLocalDateTime() {
+        return "timestamp";
+    }
+
     @Override
     public String typeLocalDate() {
         return "date";
diff --git a/jdbc-postgresql/src/test/java/org/xbib/jdbc/postgresql/test/PostgresqlTest.java b/jdbc-postgresql/src/test/java/org/xbib/jdbc/postgresql/test/PostgresqlTest.java
index c62b72c..df0e2f1 100644
--- a/jdbc-postgresql/src/test/java/org/xbib/jdbc/postgresql/test/PostgresqlTest.java
+++ b/jdbc-postgresql/src/test/java/org/xbib/jdbc/postgresql/test/PostgresqlTest.java
@@ -20,6 +20,7 @@ public class PostgresqlTest extends CommonTest {
     static PostgreSQLContainer<?> postgreSQLContainer;
 
     static {
+        // postgresql 9.6.12
         postgreSQLContainer = new PostgreSQLContainer<>("postgres")
                 .withDatabaseName("testDB")
                 .withUsername("testUser")
diff --git a/jdbc-postgresql/src/test/resources/logging.properties b/jdbc-postgresql/src/test/resources/logging.properties
index 5885e4d..f0ffda7 100644
--- a/jdbc-postgresql/src/test/resources/logging.properties
+++ b/jdbc-postgresql/src/test/resources/logging.properties
@@ -8,3 +8,4 @@ java.util.logging.FileHandler.formatter=java.util.logging.SimpleFormatter
 java.util.logging.FileHandler.pattern=build/database.log
 jdk.event.security.level=INFO
 javax.management.level=INFO
+org.postgresql.level=INFO
diff --git a/jdbc-query/build.gradle b/jdbc-query/build.gradle
index 19de6b8..1f334c1 100644
--- a/jdbc-query/build.gradle
+++ b/jdbc-query/build.gradle
@@ -1,7 +1,13 @@
 dependencies {
-    api project(":jdbc-connection-pool")
+    api project(':jdbc-connection-pool')
+    testImplementation project(':jdbc-test')
     testImplementation libs.derby
     testImplementation libs.hsqldb
+    testImplementation libs.h2
     testImplementation libs.testcontainers
     testImplementation libs.testcontainers.junit.jupiter
 }
+
+test {
+    systemProperty 'user.timezone', 'GMT'
+}
diff --git a/jdbc-query/src/main/java/module-info.java b/jdbc-query/src/main/java/module-info.java
index 19df7a3..935bbe0 100644
--- a/jdbc-query/src/main/java/module-info.java
+++ b/jdbc-query/src/main/java/module-info.java
@@ -1,12 +1,12 @@
 import org.xbib.jdbc.query.Flavor;
 import org.xbib.jdbc.query.flavor.Derby;
+import org.xbib.jdbc.query.flavor.H2;
 import org.xbib.jdbc.query.flavor.Hsql;
-import org.xbib.jdbc.query.flavor.SqlServer;
 
 module org.xbib.jdbc.query {
     uses Flavor;
     requires org.xbib.jdbc.connection.pool;
     requires java.sql;
     exports org.xbib.jdbc.query;
-    provides Flavor with Derby, Hsql, SqlServer;
+    provides Flavor with Derby, Hsql, H2;
 }
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/Database.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/Database.java
index 6138778..c3de0f0 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/Database.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/Database.java
@@ -11,6 +11,11 @@ import java.util.function.Supplier;
  * Primary class for accessing a relational (SQL) database.
  */
 public interface Database extends Supplier<Database> {
+
+    int jdbcMajorVersion();
+
+    int jdbcMinorVersion();
+
     /**
      * Create a SQL "insert" statement for further manipulation and execution.
      * Note this call does not actually execute the SQL.
@@ -181,18 +186,6 @@ public interface Database extends Supplier<Database> {
      */
     Map<String, Integer> getColumnSizesOfTable(String tableName);
 
-    /**
-     * Return the DB table name in the normalized form in which it is stored.
-     * Databases like Oracle, Derby, HSQL store their tables in upper case.
-     * Databases like postgres and sqlserver use lower case unless configured otherwise.
-     * If the caller passes in a quoted string, we will leave the name as is, removing
-     * the quotes.
-     *
-     * @param tableName this should be a name, not a pattern
-     * @return table name in appropriate format for DB lookup - original case, uppercase, or lowercase
-     */
-    String normalizeTableName(String tableName);
-
     /**
      * Check the JVM time (and timezone) against the database and log a warning
      * or throw an error if they are too far apart. It is a good idea to do this
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseImpl.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseImpl.java
index 8c635e1..0173ec8 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseImpl.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseImpl.java
@@ -131,16 +131,15 @@ public class DatabaseImpl implements Database {
             throw new DatabaseException("Unable to rollback transaction", e);
         }
     }
-    
+
     @Override
     public Connection underlyingConnection() {
         if (!options.allowConnectionAccess()) {
             throw new DatabaseException("Calls to underlyingConnection() are not allowed");
         }
-
         return connection;
     }
-    
+
     @Override
     public Options options() {
         return options;
@@ -151,7 +150,24 @@ public class DatabaseImpl implements Database {
         return options.flavor();
     }
 
-    
+    @Override
+    public int jdbcMajorVersion() {
+        try {
+            return connection.getMetaData().getJDBCMajorVersion();
+        } catch (SQLException e) {
+            throw new DatabaseException(e);
+        }
+    }
+
+    @Override
+    public int jdbcMinorVersion() {
+        try {
+            return connection.getMetaData().getJDBCMinorVersion();
+        } catch (SQLException e) {
+            throw new DatabaseException(e);
+        }
+    }
+
     @Override
     public When when() {
         return new When(options.flavor());
@@ -181,7 +197,7 @@ public class DatabaseImpl implements Database {
         if (tableName != null && connection != null) {
             try {
                 DatabaseMetaData metadata = connection.getMetaData();
-                String normalizedTable = normalizeTableName(tableName);
+                String normalizedTable = flavor().normalizeTableName(tableName);
                 ResultSet resultSet = metadata.getTables(connection.getCatalog(), schemaName, normalizedTable, new String[]{"TABLE", "VIEW"});
                 while (resultSet.next()) {
                     if (normalizedTable.equals(resultSet.getString("TABLE_NAME"))) {
@@ -203,7 +219,7 @@ public class DatabaseImpl implements Database {
         if (tableName != null && connection != null) {
             try {
                 DatabaseMetaData metaData = connection.getMetaData();
-                String normalizedTable = normalizeTableName(tableName);
+                String normalizedTable = flavor().normalizeTableName(tableName);
                 ResultSet resultSet = metaData.getColumns(null, null, normalizedTable, "%");
                 ResultSetMetaData rsmd = resultSet.getMetaData();
                 int cols = rsmd.getColumnCount();
@@ -229,24 +245,6 @@ public class DatabaseImpl implements Database {
         return map;
     }
 
-    @Override
-    public String normalizeTableName(String tableName) {
-        if (tableName == null) {
-            return tableName;
-        }
-        // If user gave us a quoted string, leave it alone for look up
-        if (tableName.length() > 2) {
-            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
-                // Remove quotes and return as is.
-                return tableName.substring(1, tableName.length() - 1);
-            }
-        }
-        if (flavor().isNormalizedUpperCase()) {
-            return tableName.toUpperCase();
-        }
-        return tableName.toLowerCase();
-    }
-
     @Override
     public void assertTimeSynchronized(long millisToWarn, long millisToError) {
         toSelect("select ?" + flavor().fromAny())
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java
index 02636a5..d790c4a 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProvider.java
@@ -6,12 +6,8 @@ import org.xbib.jdbc.query.util.Metric;
 
 import javax.sql.DataSource;
 import java.io.Closeable;
-import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.lang.reflect.InvocationTargetException;
-import java.nio.charset.Charset;
-import java.nio.charset.CharsetDecoder;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.SQLException;
@@ -30,7 +26,7 @@ import java.util.logging.Logger;
  */
 public final class DatabaseProvider implements Supplier<Database>, Closeable {
     
-    private static final Logger log = Logger.getLogger(DatabaseProvider.class.getName());
+    private static final Logger logger = Logger.getLogger(DatabaseProvider.class.getName());
     
     private static final AtomicInteger poolNameCounter = new AtomicInteger(1);
 
@@ -63,7 +59,8 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
      *
      * <p>A database pool will be created using jdbc-connection-pool.</p>
      */
-    public static DatabaseProviderBuilder builder(Config config) throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
+    public static DatabaseProviderBuilder builder(Config config)
+            throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
         return builder(createDataSource(config), getFlavor(config));
     }
 
@@ -85,67 +82,12 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
      * the JDBC standard DriverManager method. The url parameter will be inspected
      * to determine the Flavor for this database.
      */
-    public static DatabaseProviderBuilder builder(String url) {
-        return builder(url, Flavor.fromJdbcUrl(url), null, null, null);
+    public static DatabaseProviderBuilder builder(ClassLoader classLoader, String url) {
+        return builder(classLoader, url, Flavor.fromJdbcUrl(url), null, null, null);
     }
 
-    /**
-     * Builder method to create and initialize an instance of this class using
-     * the JDBC standard DriverManager method.
-     *
-     * @param flavor use this flavor rather than guessing based on the url
-     */
-    
-    public static DatabaseProviderBuilder builder(String url, Flavor flavor) {
-        return builder(url, flavor, null, null, null);
-    }
-
-    /**
-     * Builder method to create and initialize an instance of this class using
-     * the JDBC standard DriverManager method. The url parameter will be inspected
-     * to determine the Flavor for this database.
-     */
-    
-    public static DatabaseProviderBuilder builder(String url, Properties info) {
-        return builder(url, Flavor.fromJdbcUrl(url), info, null, null);
-    }
-
-    /**
-     * Builder method to create and initialize an instance of this class using
-     * the JDBC standard DriverManager method.
-     *
-     * @param flavor use this flavor rather than guessing based on the url
-     */
-    
-    public static DatabaseProviderBuilder builder(String url, Flavor flavor, Properties info) {
-        return builder(url, flavor, info, null, null);
-    }
-
-    /**
-     * Builder method to create and initialize an instance of this class using
-     * the JDBC standard DriverManager method. The url parameter will be inspected
-     * to determine the Flavor for this database.
-     */
-    
-    public static DatabaseProviderBuilder builder(String url, String user, String password) {
-        return builder(url, Flavor.fromJdbcUrl(url), null, user, password);
-    }
-
-    /**
-     * Builder method to create and initialize an instance of this class using
-     * the JDBC standard DriverManager method.
-     *
-     * @param flavor use this flavor rather than guessing based on the url
-     */
-    
-    public static DatabaseProviderBuilder builder(String url,
-                                                  Flavor flavor,
-                                                  String user,
-                                                  String password) {
-        return builder(url, flavor, null, user, password);
-    }
-
-    private static DatabaseProviderBuilder builder(String url,
+    private static DatabaseProviderBuilder builder(ClassLoader classLoader,
+                                                   String url,
                                                    Flavor flavor,
                                                    Properties info,
                                                    String user,
@@ -156,7 +98,7 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
         } catch (SQLException e) {
             if (flavor.driverClass() != null) {
                 try {
-                    Class.forName(flavor.driverClass());
+                    Class.forName(flavor.driverClass(), true, classLoader);
                 } catch (ClassNotFoundException e1) {
                     throw new DatabaseException("couldn't locate JDBC driver", e1);
                 }
@@ -176,417 +118,6 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
         }, options);
     }
 
-    /**
-     * Configure the database from up to five properties read from a file:
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     * <p>This will use the JVM default character encoding to read the property file.</p>
-     *
-     * @param propertyFileName path to the properties file we will attempt to read
-     * @throws DatabaseException if the property file could not be read for any reason
-     */
-    public static DatabaseProviderBuilder fromPropertyFile(String propertyFileName) {
-        return fromPropertyFile(propertyFileName, Charset.defaultCharset().newDecoder());
-    }
-
-    /**
-     * Configure the database from up to five properties read from a file:
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     *
-     * @param propertyFileName path to the properties file we will attempt to read
-     * @param decoder  character encoding to use when reading the property file
-     * @throws DatabaseException if the property file could not be read for any reason
-     */
-    public static DatabaseProviderBuilder fromPropertyFile(String propertyFileName, CharsetDecoder decoder) {
-        Properties properties = new Properties();
-        if (propertyFileName != null && propertyFileName.length() > 0) {
-            try (
-                    FileInputStream fis = new FileInputStream(propertyFileName);
-                    InputStreamReader reader = new InputStreamReader(fis, decoder)
-            ) {
-                properties.load(reader);
-            } catch (Exception e) {
-                throw new DatabaseException("Unable to read properties file: " + propertyFileName, e);
-            }
-        }
-        return fromProperties(properties, "", true);
-    }
-
-    /**
-     * Configure the database from up to five properties read from a file:
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     * <p>This will use the JVM default character encoding to read the property file.</p>
-     *
-     * @param filename       path to the properties file we will attempt to read
-     * @param propertyPrefix if this is null or empty the properties above will be read;
-     *                       if a value is provided it will be prefixed to each property
-     *                       (exactly, so if you want to use "my.database.url" you must
-     *                       pass "my." as the prefix)
-     * @throws DatabaseException if the property file could not be read for any reason
-     */
-    public static DatabaseProviderBuilder fromPropertyFile(String filename, String propertyPrefix) {
-        return fromPropertyFile(filename, propertyPrefix, Charset.defaultCharset().newDecoder());
-    }
-
-    /**
-     * Configure the database from up to five properties read from a file:
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     *
-     * @param filename       path to the properties file we will attempt to read
-     * @param propertyPrefix if this is null or empty the properties above will be read;
-     *                       if a value is provided it will be prefixed to each property
-     *                       (exactly, so if you want to use "my.database.url" you must
-     *                       pass "my." as the prefix)
-     * @param decoder        character encoding to use when reading the property file
-     * @throws DatabaseException if the property file could not be read for any reason
-     */
-    public static DatabaseProviderBuilder fromPropertyFile(String filename, String propertyPrefix, CharsetDecoder decoder) {
-        Properties properties = new Properties();
-        if (filename != null && filename.length() > 0) {
-            try (
-                    FileInputStream fis = new FileInputStream(filename);
-                    InputStreamReader reader = new InputStreamReader(fis, decoder)
-            ) {
-                properties.load(reader);
-            } catch (Exception e) {
-                throw new DatabaseException("Unable to read properties file: " + filename, e);
-            }
-        }
-        return fromProperties(properties, propertyPrefix, true);
-    }
-
-    /**
-     * Configure the database from up to five properties read from the provided properties:
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     *
-     * @param properties properties will be read from here
-     * @throws DatabaseException if the property file could not be read for any reason
-     */
-    public static DatabaseProviderBuilder fromProperties(Properties properties) {
-        return fromProperties(properties, "", false);
-    }
-
-    /**
-     * Configure the database from up to five properties read from the provided properties:
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     *
-     * @param properties     properties will be read from here
-     * @param propertyPrefix if this is null or empty the properties above will be read;
-     *                       if a value is provided it will be prefixed to each property
-     *                       (exactly, so if you want to use "my.database.url" you must
-     *                       pass "my." as the prefix)
-     * @throws DatabaseException if the property file could not be read for any reason
-     */
-    public static DatabaseProviderBuilder fromProperties(Properties properties, String propertyPrefix) {
-        return fromProperties(properties, propertyPrefix, false);
-    }
-
-    /**
-     * Configure the database from up to five properties read from the specified
-     * properties file, or from the system properties (system properties will take
-     * precedence over the file):
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     * <p>This will use the JVM default character encoding to read the property file.</p>
-     *
-     * @param filename path to the properties file we will attempt to read; if the file
-     *                 cannot be read for any reason (e.g. does not exist) a debug level
-     *                 log entry will be entered, but it will attempt to proceed using
-     *                 solely the system properties
-     */
-    public static DatabaseProviderBuilder fromPropertyFileOrSystemProperties(String filename) {
-        return fromPropertyFileOrSystemProperties(filename, Charset.defaultCharset().newDecoder());
-    }
-
-    /**
-     * Configure the database from up to five properties read from the specified
-     * properties file, or from the system properties (system properties will take
-     * precedence over the file):
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     *
-     * @param filename path to the properties file we will attempt to read; if the file
-     *                 cannot be read for any reason (e.g. does not exist) a debug level
-     *                 log entry will be entered, but it will attempt to proceed using
-     *                 solely the system properties
-     * @param decoder  character encoding to use when reading the property file
-     */
-    public static DatabaseProviderBuilder fromPropertyFileOrSystemProperties(String filename, CharsetDecoder decoder) {
-        Properties properties = new Properties();
-        if (filename != null && filename.length() > 0) {
-            try (
-                    FileInputStream fis = new FileInputStream(filename);
-                    InputStreamReader reader = new InputStreamReader(fis, decoder)
-            ) {
-                properties.load(reader);
-            } catch (Exception e) {
-                log.fine("Trying system properties - unable to read properties file: " + filename);
-            }
-        }
-        return fromProperties(properties, "", true);
-    }
-
-    /**
-     * Configure the database from up to five properties read from the specified
-     * properties file, or from the system properties (system properties will take
-     * precedence over the file):
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     * <p>This will use the JVM default character encoding to read the property file.</p>
-     *
-     * @param filename       path to the properties file we will attempt to read; if the file
-     *                       cannot be read for any reason (e.g. does not exist) a debug level
-     *                       log entry will be entered, but it will attempt to proceed using
-     *                       solely the system properties
-     * @param propertyPrefix if this is null or empty the properties above will be read;
-     *                       if a value is provided it will be prefixed to each property
-     *                       (exactly, so if you want to use "my.database.url" you must
-     *                       pass "my." as the prefix)
-     */
-    public static DatabaseProviderBuilder fromPropertyFileOrSystemProperties(String filename, String propertyPrefix) {
-        return fromPropertyFileOrSystemProperties(filename, propertyPrefix, Charset.defaultCharset().newDecoder());
-    }
-
-    /**
-     * Configure the database from up to five properties read from the specified
-     * properties file, or from the system properties (system properties will take
-     * precedence over the file):
-     * <pre>
-     *   database.url=...      Database connect string (required)
-     *   database.user=...     Authenticate as this user (optional if provided in url)
-     *   database.password=... User password (optional if user and password provided in
-     *                         url; prompted on standard input if user is provided and
-     *                         password is not)
-     *   database.flavor=...   What kind of database it is (optional, will guess based
-     *                         on the url if this is not provided)
-     *   database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                         guess based on the flavor if this is not provided)
-     * </pre>
-     *
-     * @param filename       path to the properties file we will attempt to read; if the file
-     *                       cannot be read for any reason (e.g. does not exist) a debug level
-     *                       log entry will be entered, but it will attempt to proceed using
-     *                       solely the system properties
-     * @param propertyPrefix if this is null or empty the properties above will be read;
-     *                       if a value is provided it will be prefixed to each property
-     *                       (exactly, so if you want to use "my.database.url" you must
-     *                       pass "my." as the prefix)
-     * @param decoder        character encoding to use when reading the property file
-     */
-    public static DatabaseProviderBuilder fromPropertyFileOrSystemProperties(String filename, String propertyPrefix,
-                                                                             CharsetDecoder decoder) {
-        Properties properties = new Properties();
-        if (filename != null && filename.length() > 0) {
-            try (
-                    FileInputStream fis = new FileInputStream(filename);
-                    InputStreamReader reader = new InputStreamReader(fis, decoder)
-            ) {
-                properties.load(reader);
-            } catch (Exception e) {
-                log.fine("Trying system properties - unable to read properties file: " + filename);
-            }
-        }
-        return fromProperties(properties, propertyPrefix, true);
-    }
-
-    /**
-     * Configure the database from up to five system properties:
-     * <pre>
-     *   -Ddatabase.url=...      Database connect string (required)
-     *   -Ddatabase.user=...     Authenticate as this user (optional if provided in url)
-     *   -Ddatabase.password=... User password (optional if user and password provided in
-     *                           url; prompted on standard input if user is provided and
-     *                           password is not)
-     *   -Ddatabase.flavor=...   What kind of database it is (optional, will guess based
-     *                           on the url if this is not provided)
-     *   -Ddatabase.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                           guess based on the flavor if this is not provided)
-     * </pre>
-     */
-    
-    public static DatabaseProviderBuilder fromSystemProperties() {
-        return fromProperties(null, "", true);
-    }
-
-    /**
-     * Configure the database from up to five system properties:
-     * <pre>
-     *   -D{prefix}database.url=...      Database connect string (required)
-     *   -D{prefix}database.user=...     Authenticate as this user (optional if provided in url)
-     *   -D{prefix}database.password=... User password (optional if user and password provided in
-     *                                   url; prompted on standard input if user is provided and
-     *                                   password is not)
-     *   -D{prefix}database.flavor=...   What kind of database it is (optional, will guess based
-     *                                   on the url if this is not provided)
-     *   -D{prefix}database.driver=...   The Java class of the JDBC driver to load (optional, will
-     *                                   guess based on the flavor if this is not provided)
-     * </pre>
-     *
-     * @param propertyPrefix a prefix to attach to each system property - be sure to include the
-     *                       dot if desired (e.g. "mydb." for properties like -Dmydb.database.url)
-     */
-    
-    public static DatabaseProviderBuilder fromSystemProperties(String propertyPrefix) {
-        return fromProperties(null, propertyPrefix, true);
-    }
-
-    private static DatabaseProviderBuilder fromProperties(Properties properties, String propertyPrefix, boolean useSystemProperties) {
-        if (propertyPrefix == null) {
-            propertyPrefix = "";
-        }
-        String driver;
-        String flavorStr;
-        String url;
-        String user;
-        String password;
-        if (useSystemProperties) {
-            if (properties == null) {
-                properties = new Properties();
-            }
-            driver = System.getProperty(propertyPrefix + "database.driver",
-                    properties.getProperty(propertyPrefix + "database.driver"));
-            flavorStr = System.getProperty(propertyPrefix + "database.flavor",
-                    properties.getProperty(propertyPrefix + "database.flavor"));
-            url = System.getProperty(propertyPrefix + "database.url",
-                    properties.getProperty(propertyPrefix + "database.url"));
-            user = System.getProperty(propertyPrefix + "database.user",
-                    properties.getProperty(propertyPrefix + "database.user"));
-            password = System.getProperty(propertyPrefix + "database.password",
-                    properties.getProperty(propertyPrefix + "database.password"));
-        } else {
-            if (properties == null) {
-                throw new DatabaseException("No properties were provided");
-            }
-            driver = properties.getProperty(propertyPrefix + "database.driver");
-            flavorStr = properties.getProperty(propertyPrefix + "database.flavor");
-            url = properties.getProperty(propertyPrefix + "database.url");
-            user = properties.getProperty(propertyPrefix + "database.user");
-            password = properties.getProperty(propertyPrefix + "database.password");
-        }
-        if (url == null) {
-            throw new DatabaseException("You must use -D" + propertyPrefix + "database.url=...");
-        }
-        if (user != null && password == null) {
-            System.out.println("Enter database password for user " + user + ":");
-            byte[] input = new byte[256];
-            try {
-                int bytesRead = System.in.read(input);
-                password = new String(input, 0, bytesRead - 1, Charset.defaultCharset());
-            } catch (IOException e) {
-                throw new DatabaseException("Error reading password from standard input", e);
-            }
-        }
-        Flavor flavor;
-        if (flavorStr != null) {
-            flavor = Flavor.valueOf(flavorStr);
-        } else {
-            flavor = Flavor.fromJdbcUrl(url);
-        }
-        if (driver != null) {
-            try {
-                Class.forName(driver).getDeclaredConstructor().newInstance();
-            } catch (Exception e) {
-                driver = flavor.driverClass();
-                try {
-                    Class.forName(driver).getDeclaredConstructor().newInstance();
-                } catch (Exception ee) {
-                    throw new DatabaseException("Unable to load JDBC driver: " + driver, ee);
-                }
-            }
-        }
-        if (user == null) {
-            return builder(url, flavor);
-        } else {
-            return builder(url, flavor, user, password);
-        }
-    }
-
     private static DataSource createDataSource(Config config)
             throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException,
             IllegalAccessException {
@@ -749,7 +280,7 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
         if (builder.isClosed()) {
             throw new DatabaseException("Called get() on a DatabaseProvider after close()");
         }
-        Metric metric = new Metric(log.isLoggable(Level.FINE));
+        Metric metric = new Metric(logger.isLoggable(Level.FINE));
         try {
             connection = builder.connectionProvider.get();
             metric.checkpoint("getConn");
@@ -770,10 +301,10 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
             throw e;
         } finally {
             metric.done();
-            if (log.isLoggable(Level.FINE)) {
+            if (logger.isLoggable(Level.FINE)) {
                 StringBuilder buf = new StringBuilder("Get ").append(builder.options.flavor()).append(" database: ");
                 metric.printMessage(buf);
-                log.fine(buf.toString());
+                logger.fine(buf.toString());
             }
         }
         return database;
@@ -811,7 +342,7 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
                     connection.rollback();
                 }
             } catch (Exception e) {
-                log.log(Level.SEVERE, "Unable to rollback the transaction", e);
+                logger.log(Level.SEVERE, "Unable to rollback the transaction", e);
             }
         }
     }
@@ -825,7 +356,7 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
             }
             close();
         } catch (Exception e) {
-            log.log(Level.SEVERE, "Unable to rollback the transaction", e);
+            logger.log(Level.SEVERE, "Unable to rollback the transaction", e);
         }
     }
 
@@ -835,7 +366,7 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
             try {
                 connection.close();
             } catch (Exception e) {
-                log.log(Level.SEVERE, "Unable to close the database connection", e);
+                logger.log(Level.SEVERE, "Unable to close the database connection", e);
             }
         }
         connection = null;
@@ -843,129 +374,6 @@ public final class DatabaseProvider implements Supplier<Database>, Closeable {
         builder.close();
     }
 
-    /**
-     * This builder is immutable, so setting various options does not affect
-     * the previous instance. This is intended to make it safe to pass builders
-     * around without risk someone will reconfigure it.
-     */
-    public interface DatabaseProviderBuilder {
-        
-        DatabaseProviderBuilder withOptions(OptionsOverride options);
-
-        /**
-         * Enable logging of parameter values along with the SQL.
-         */
-        
-        DatabaseProviderBuilder withSqlParameterLogging();
-
-        /**
-         * Include SQL in exception messages. This will also include parameters in the
-         * exception messages if SQL parameter logging is enabled. This is handy for
-         * development, but be careful as this is an information disclosure risk,
-         * dependent on how the exception are caught and handled.
-         */
-        
-        DatabaseProviderBuilder withSqlInExceptionMessages();
-
-        /**
-         * Wherever argDateNowPerDb() is specified, use argDateNowPerApp() instead. This is
-         * useful for testing purposes as you can use OptionsOverride to provide your
-         * own system clock that will be used for time travel.
-         */
-        
-        DatabaseProviderBuilder withDatePerAppOnly();
-
-        /**
-         * Allow provided Database instances to explicitly control transactions using the
-         * commitNow() and rollbackNow() methods. Otherwise calling those methods would
-         * throw an exception.
-         */
-        
-        DatabaseProviderBuilder withTransactionControl();
-
-        /**
-         * This can be useful when testing code, as it can pretend to use transactions,
-         * while giving you control over whether it actually commits or rolls back.
-         */
-        
-        DatabaseProviderBuilder withTransactionControlSilentlyIgnored();
-
-        /**
-         * Allow direct access to the underlying database connection. Normally this is
-         * not allowed, and is a bad idea, but it can be helpful when migrating from
-         * legacy code that works with raw JDBC.
-         */
-        
-        DatabaseProviderBuilder withConnectionAccess();
-
-        /**
-         * WARNING: You should try to avoid using this method. If you use it more
-         * that once or twice in your entire codebase you are probably doing
-         * something wrong.
-         *
-         * <p>If you use this method you are responsible for managing
-         * the transaction and commit/rollback/close.</p>
-         */
-        
-        DatabaseProvider build();
-
-        /**
-         * This is a convenience method to eliminate the need for explicitly
-         * managing the resources (and error handling) for this class. After
-         * the run block is complete the transaction will commit unless the
-         * {@link DbCode#run(Supplier) run(Supplier)} method threw a {@link Throwable}.
-         *
-         * <p>Here is a typical usage:
-         * <pre>
-         *   dbp.transact(dbs -&gt; {
-         *     List<String> r = dbs.get().toSelect("select a from b where c=?").argInteger(1).queryStrings();
-         *     ... do something with the results ...
-         *   });
-         * </pre>
-         * </p>
-         *
-         * @param code the code you want to run as a transaction with a Database
-         * @see #transact(DbCodeTx)
-         */
-        void transact(DbCode code);
-
-        /**
-         * This method is the same as {@link #transact(DbCode)} but allows a return value.
-         *
-         * <p>Here is a typical usage:
-         * <pre>
-         *   List<String> r = dbp.transact(dbs -&gt; {
-         *     return dbs.get().toSelect("select a from b where c=?").argInteger(1).queryStrings();
-         *   });
-         * </pre>
-         * </p>
-         */
-        <T> T transactReturning(DbCodeTyped<T> code);
-
-        /**
-         * This is a convenience method to eliminate the need for explicitly
-         * managing the resources (and error handling) for this class. After
-         * the run block is complete commit() will be called unless either the
-         * {@link DbCodeTx#run(Supplier, Transaction)} method threw a {@link Throwable}
-         * while {@link Transaction#isRollbackOnError()} returns true, or
-         * {@link Transaction#isRollbackOnly()} returns a true value.
-         *
-         * <p>Here is a typical usage:
-         * <pre>
-         *   dbp.transact((dbs, tx) -&gt; {
-         *     tx.setRollbackOnError(false);
-         *     dbs.get().toInsert("...").argInteger(1).insert(1);
-         *     ...some stuff that might fail...
-         *   });
-         * </pre>
-         * </p>
-         *
-         * @param code the code you want to run as a transaction with a Database
-         */
-        void transact(DbCodeTx code);
-
-    }
-
     private static class DatabaseProviderBuilderImpl implements DatabaseProviderBuilder, Closeable {
 
         private DataSource dataSource;
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProviderBuilder.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProviderBuilder.java
new file mode 100644
index 0000000..9d501bb
--- /dev/null
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/DatabaseProviderBuilder.java
@@ -0,0 +1,126 @@
+package org.xbib.jdbc.query;
+
+import java.util.function.Supplier;
+
+/**
+ * This builder is immutable, so setting various options does not affect
+ * the previous instance. This is intended to make it safe to pass builders
+ * around without risk someone will reconfigure it.
+ */
+public interface DatabaseProviderBuilder {
+
+    DatabaseProviderBuilder withOptions(OptionsOverride options);
+
+    /**
+     * Enable logging of parameter values along with the SQL.
+     */
+
+    DatabaseProviderBuilder withSqlParameterLogging();
+
+    /**
+     * Include SQL in exception messages. This will also include parameters in the
+     * exception messages if SQL parameter logging is enabled. This is handy for
+     * development, but be careful as this is an information disclosure risk,
+     * dependent on how the exception are caught and handled.
+     */
+
+    DatabaseProviderBuilder withSqlInExceptionMessages();
+
+    /**
+     * Wherever argDateNowPerDb() is specified, use argDateNowPerApp() instead. This is
+     * useful for testing purposes as you can use OptionsOverride to provide your
+     * own system clock that will be used for time travel.
+     */
+
+    DatabaseProviderBuilder withDatePerAppOnly();
+
+    /**
+     * Allow provided Database instances to explicitly control transactions using the
+     * commitNow() and rollbackNow() methods. Otherwise calling those methods would
+     * throw an exception.
+     */
+
+    DatabaseProviderBuilder withTransactionControl();
+
+    /**
+     * This can be useful when testing code, as it can pretend to use transactions,
+     * while giving you control over whether it actually commits or rolls back.
+     */
+
+    DatabaseProviderBuilder withTransactionControlSilentlyIgnored();
+
+    /**
+     * Allow direct access to the underlying database connection. Normally this is
+     * not allowed, and is a bad idea, but it can be helpful when migrating from
+     * legacy code that works with raw JDBC.
+     */
+
+    DatabaseProviderBuilder withConnectionAccess();
+
+    /**
+     * WARNING: You should try to avoid using this method. If you use it more
+     * that once or twice in your entire codebase you are probably doing
+     * something wrong.
+     *
+     * <p>If you use this method you are responsible for managing
+     * the transaction and commit/rollback/close.</p>
+     */
+
+    DatabaseProvider build();
+
+    /**
+     * This is a convenience method to eliminate the need for explicitly
+     * managing the resources (and error handling) for this class. After
+     * the run block is complete the transaction will commit unless the
+     * {@link DbCode#run(Supplier) run(Supplier)} method threw a {@link Throwable}.
+     *
+     * <p>Here is a typical usage:
+     * <pre>
+     *   dbp.transact(dbs -&gt; {
+     *     List<String> r = dbs.get().toSelect("select a from b where c=?").argInteger(1).queryStrings();
+     *     ... do something with the results ...
+     *   });
+     * </pre>
+     * </p>
+     *
+     * @param code the code you want to run as a transaction with a Database
+     * @see #transact(DbCodeTx)
+     */
+    void transact(DbCode code);
+
+    /**
+     * This method is the same as {@link #transact(DbCode)} but allows a return value.
+     *
+     * <p>Here is a typical usage:
+     * <pre>
+     *   List<String> r = dbp.transact(dbs -&gt; {
+     *     return dbs.get().toSelect("select a from b where c=?").argInteger(1).queryStrings();
+     *   });
+     * </pre>
+     * </p>
+     */
+    <T> T transactReturning(DbCodeTyped<T> code);
+
+    /**
+     * This is a convenience method to eliminate the need for explicitly
+     * managing the resources (and error handling) for this class. After
+     * the run block is complete commit() will be called unless either the
+     * {@link DbCodeTx#run(Supplier, Transaction)} method threw a {@link Throwable}
+     * while {@link Transaction#isRollbackOnError()} returns true, or
+     * {@link Transaction#isRollbackOnly()} returns a true value.
+     *
+     * <p>Here is a typical usage:
+     * <pre>
+     *   dbp.transact((dbs, tx) -&gt; {
+     *     tx.setRollbackOnError(false);
+     *     dbs.get().toInsert("...").argInteger(1).insert(1);
+     *     ...some stuff that might fail...
+     *   });
+     * </pre>
+     * </p>
+     *
+     * @param code the code you want to run as a transaction with a Database
+     */
+    void transact(DbCodeTx code);
+
+}
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/Flavor.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/Flavor.java
index 175b95e..cf7b3fc 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/Flavor.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/Flavor.java
@@ -12,11 +12,7 @@ public interface Flavor {
 
     String driverClass();
 
-    /**
-     * Returns true if DB normalizes to upper case names for ids like tables and columns
-     * See <a href="https://github.com/ontop/ontop/wiki/Case-sensitivity-for-SQL-identifiers>SQL case sensitivity</a>
-     */
-    boolean isNormalizedUpperCase();
+    String normalizeTableName(String tableName);
 
     String typeInteger();
 
@@ -44,6 +40,8 @@ public interface Flavor {
 
     String typeLocalDateTime();
 
+    String columnTypeLocalDateTime();
+
     String typeLocalDate();
 
     boolean useStringForClob();
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/Schema.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/Schema.java
index f40e4d6..b18bf59 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/Schema.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/Schema.java
@@ -21,15 +21,19 @@ import java.util.function.Supplier;
  */
 public class Schema {
 
-    private final List<Table> tables = new ArrayList<>();
+    private final List<Table> tables;
 
-    private final List<Sequence> sequences = new ArrayList<>();
+    private final List<Sequence> sequences;
 
     private boolean indexForeignKeys = true;
 
-    private String userTableName = "user_principal";
+    private String userTableName;
 
     public Schema() {
+        tables = new ArrayList<>();
+        sequences = new ArrayList<>();
+        indexForeignKeys = true;
+        userTableName = "user_principal";
     }
 
     public Sequence addSequence(String name) {
@@ -70,10 +74,10 @@ public class Schema {
         return table;
     }
 
-    public Table addTableFromRow(String tableName, Row r) {
+    public Table addTableFromRow(String tableName, Row row) {
         Table table = addTable(tableName);
         try {
-            ResultSetMetaData metadata = r.getMetadata();
+            ResultSetMetaData metadata = row.getMetadata();
             int columnCount = metadata.getColumnCount();
             String[] names = new String[columnCount];
             for (int i = 0; i < columnCount; i++) {
@@ -464,51 +468,70 @@ public class Schema {
     }
 
     public class Table {
+
         private final String name;
+
         private String comment;
-        private final List<Column> columns = new ArrayList<>();
+
         private PrimaryKey primaryKey;
-        private final List<ForeignKey> foreignKeys = new ArrayList<>();
-        private final List<Index> indexes = new ArrayList<>();
-        private final List<Check> checks = new ArrayList<>();
-        private final List<Unique> uniques = new ArrayList<>();
-        private final Map<Flavor, String> customClauses = new HashMap<>();
+
+        private final List<Column> columns;
+
+        private final List<ForeignKey> foreignKeys;
+
+        private final List<Index> indexes;
+
+        private final List<Check> checks;
+
+        private final List<Unique> uniques;
+
+        private final Map<Flavor, String> customClauses;
+
         private boolean createTracking;
+
         private String createTrackingFkName;
+
         private String createTrackingFkTable;
+
         private boolean updateTracking;
+
         private String updateTrackingFkName;
+
         private String updateTrackingFkTable;
+
         private boolean updateSequence;
+
         private boolean historyTable;
 
         public Table(String name) {
             this.name = toName(name);
             if (this.name.length() > 27) {
-                throw new RuntimeException("Table name should be 27 characters or less");
+                throw new IllegalArgumentException("Table name should be 27 characters or less");
             }
+            columns = new ArrayList<>();
+            foreignKeys = new ArrayList<>();
+            indexes = new ArrayList<>();
+            checks = new ArrayList<>();
+            uniques = new ArrayList<>();
+            customClauses = new HashMap<>();
         }
 
         public void validate() {
             if (columns.size() < 1) {
-                throw new RuntimeException("Table " + name + " needs at least one column");
+                throw new IllegalArgumentException("Table " + name + " needs at least one column");
             }
             for (Column c : columns) {
                 c.validate();
             }
-
             if (primaryKey != null) {
                 primaryKey.validate();
             }
-
             for (ForeignKey fk : foreignKeys) {
                 fk.validate();
             }
-
             for (Check c : checks) {
                 c.validate();
             }
-
             for (Index i : indexes) {
                 i.validate();
             }
@@ -629,12 +652,12 @@ public class Schema {
 
         public PrimaryKey addPrimaryKey(String name, String... columnNames) {
             if (primaryKey != null) {
-                throw new RuntimeException("Only one primary key is allowed. For composite keys use"
+                throw new IllegalArgumentException("Only one primary key is allowed. For composite keys use"
                         + " addPrimaryKey(name, c1, c2, ...).");
             }
             for (Column c : columns) {
                 if (c.name.equalsIgnoreCase(name)) {
-                    throw new RuntimeException("For table: " + this.name + " primary key name should not be a column name: " + name);
+                    throw new IllegalArgumentException("For table: " + this.name + " primary key name should not be a column name: " + name);
                 }
             }
             primaryKey = new PrimaryKey(name, columnNames);
@@ -671,18 +694,20 @@ public class Schema {
         }
 
         public class PrimaryKey {
+
             private final String name;
-            private final List<String> columnNames = new ArrayList<>();
+
+            private final List<String> columnNames;
 
             public PrimaryKey(String name, String[] columnNames) {
                 this.name = toName(name);
+                this.columnNames = new ArrayList<>();
                 for (String s : columnNames) {
                     this.columnNames.add(toName(s));
                 }
             }
 
             public void validate() {
-
             }
 
             public Table table() {
@@ -692,18 +717,20 @@ public class Schema {
         }
 
         public class Unique {
+
             private final String name;
-            private final List<String> columnNames = new ArrayList<>();
+
+            private final List<String> columnNames;
 
             public Unique(String name, String[] columnNames) {
                 this.name = toName(name);
+                this.columnNames = new ArrayList<>();
                 for (String s : columnNames) {
                     this.columnNames.add(toName(s));
                 }
             }
 
             public void validate() {
-
             }
 
             public Table table() {
@@ -713,13 +740,18 @@ public class Schema {
         }
 
         public class ForeignKey {
+
             private final String name;
-            private final List<String> columnNames = new ArrayList<>();
-            public String foreignTable;
-            private boolean onDeleteCascade = false;
+
+            private final List<String> columnNames;
+
+            private String foreignTable;
+
+            private boolean onDeleteCascade;
 
             public ForeignKey(String name, String[] columnNames) {
                 this.name = toName(name);
+                this.columnNames = new ArrayList<>();
                 for (String s : columnNames) {
                     this.columnNames.add(toName(s));
                 }
@@ -737,7 +769,7 @@ public class Schema {
 
             private void validate() {
                 if (foreignTable == null) {
-                    throw new RuntimeException("Foreign key " + name + " must reference a table");
+                    throw new IllegalArgumentException("Foreign key " + name + " must reference a table");
                 }
             }
 
@@ -748,7 +780,9 @@ public class Schema {
         }
 
         public class Check {
+
             private final String name;
+
             private final String expression;
 
             public Check(String name, String expression) {
@@ -758,7 +792,7 @@ public class Schema {
 
             private void validate() {
                 if (expression == null) {
-                    throw new RuntimeException("Expression needed for check constraint " + name + " on table " + Table.this.name);
+                    throw new IllegalArgumentException("Expression needed for check constraint " + name + " on table " + Table.this.name);
                 }
             }
 
@@ -769,12 +803,16 @@ public class Schema {
         }
 
         public class Index {
+
             private final String name;
-            private final List<String> columnNames = new ArrayList<>();
+
+            private final List<String> columnNames;
+
             private boolean unique;
 
             public Index(String name, String[] columnNames) {
                 this.name = toName(name);
+                this.columnNames = new ArrayList<>();
                 for (String s : columnNames) {
                     this.columnNames.add(toName(s));
                 }
@@ -787,7 +825,7 @@ public class Schema {
 
             private void validate() {
                 if (columnNames.size() < 1) {
-                    throw new RuntimeException("Index " + name + " needs at least one column");
+                    throw new IllegalArgumentException("Index " + name + " needs at least one column");
                 }
             }
 
@@ -798,11 +836,17 @@ public class Schema {
         }
 
         public class Column {
+
             private final String name;
+
             private ColumnType type;
+
             private int scale;
+
             private int precision;
+
             private boolean notNull;
+
             private String comment;
 
             public Column(String name) {
@@ -886,7 +930,7 @@ public class Schema {
 
             private void validate() {
                 if (type == null) {
-                    throw new RuntimeException("Call as*() on column " + name + " table " + Table.this.name);
+                    throw new IllegalArgumentException("Call as*() on column " + name + " table " + Table.this.name);
                 }
             }
 
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/When.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/When.java
index e81ea02..e394295 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/When.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/When.java
@@ -1,8 +1,5 @@
 package org.xbib.jdbc.query;
 
-import org.xbib.jdbc.query.flavor.Derby;
-import org.xbib.jdbc.query.flavor.SqlServer;
-
 import java.util.Objects;
 
 /**
@@ -17,21 +14,42 @@ public class When {
     public When(Flavor actualFlavor) {
         this.actualFlavor = actualFlavor;
     }
-    
-    public When oracle(String sql) {
-        if ("oracle".equals(actualFlavor.getName())) {
+
+    public When derby(String sql) {
+        if ("derby".equals(actualFlavor.getName())) {
             chosen = sql;
         }
         return this;
     }
-    
-    public When derby(String sql) {
-        if (actualFlavor instanceof Derby) {
+
+    public When h2(String sql) {
+        if ("h2".equals(actualFlavor.getName())) {
             chosen = sql;
         }
         return this;
     }
-    
+
+    public When hsqldb(String sql) {
+        if ("hsqldb".equals(actualFlavor.getName())) {
+            chosen = sql;
+        }
+        return this;
+    }
+
+    public When mariadb(String sql) {
+        if ("mariadb".equals(actualFlavor.getName())) {
+            chosen = sql;
+        }
+        return this;
+    }
+
+    public When oracle(String sql) {
+        if ("oracle".equals(actualFlavor.getName())) {
+            chosen = sql;
+        }
+        return this;
+    }
+
     public When postgres(String sql) {
         if ("postgresql".equals(actualFlavor.getName())) {
             chosen = sql;
@@ -40,12 +58,11 @@ public class When {
     }
     
     public When sqlserver(String sql) {
-        if (actualFlavor instanceof SqlServer) {
+        if ("sqlserver".equals(actualFlavor.getName())) {
             chosen = sql;
         }
         return this;
     }
-
     
     public String other(String sql) {
         if (chosen == null) {
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Derby.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Derby.java
index 6dffb16..2eb7d4a 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Derby.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Derby.java
@@ -23,8 +23,16 @@ public class Derby implements Flavor {
     }
 
     @Override
-    public boolean isNormalizedUpperCase() {
-        return true;
+    public String normalizeTableName(String tableName) {
+        if (tableName == null) {
+            return tableName;
+        }
+        if (tableName.length() > 2) {
+            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
+                return tableName.substring(1, tableName.length() - 1);
+            }
+        }
+        return tableName.toUpperCase();
     }
 
     @Override
@@ -92,6 +100,11 @@ public class Derby implements Flavor {
         return "timestamp";
     }
 
+    @Override
+    public String columnTypeLocalDateTime() {
+        return "timestamp";
+    }
+
     @Override
     public String typeLocalDate() {
         return "date";
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/H2.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/H2.java
index 8725875..a615e4d 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/H2.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/H2.java
@@ -23,8 +23,16 @@ public class H2 implements Flavor {
     }
 
     @Override
-    public boolean isNormalizedUpperCase() {
-        return true;
+    public String normalizeTableName(String tableName) {
+        if (tableName == null) {
+            return tableName;
+        }
+        if (tableName.length() > 2) {
+            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
+                return tableName.substring(1, tableName.length() - 1);
+            }
+        }
+        return tableName.toUpperCase();
     }
 
     @Override
@@ -92,6 +100,11 @@ public class H2 implements Flavor {
         return "timestamp(3)";
     }
 
+    @Override
+    public String columnTypeLocalDateTime() {
+        return "timestamp";
+    }
+
     @Override
     public String typeLocalDate() {
         return "date";
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Hsql.java b/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Hsql.java
index 2ec425b..6c1b452 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Hsql.java
+++ b/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/Hsql.java
@@ -23,8 +23,16 @@ public class Hsql implements Flavor {
     }
 
     @Override
-    public boolean isNormalizedUpperCase() {
-        return true;
+    public String normalizeTableName(String tableName) {
+        if (tableName == null) {
+            return tableName;
+        }
+        if (tableName.length() > 2) {
+            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
+                return tableName.substring(1, tableName.length() - 1);
+            }
+        }
+        return tableName.toUpperCase();
     }
 
     @Override
@@ -92,6 +100,11 @@ public class Hsql implements Flavor {
         return "timestamp with time zone";
     }
 
+    @Override
+    public String columnTypeLocalDateTime() {
+        return "TIMESTAMP WITH TIME ZONE";
+    }
+
     @Override
     public String typeLocalDate() {
         return "date";
diff --git a/jdbc-query/src/main/resources/META-INF/services/org.xbib.jdbc.query.Flavor b/jdbc-query/src/main/resources/META-INF/services/org.xbib.jdbc.query.Flavor
index 0e4363b..017c60c 100644
--- a/jdbc-query/src/main/resources/META-INF/services/org.xbib.jdbc.query.Flavor
+++ b/jdbc-query/src/main/resources/META-INF/services/org.xbib.jdbc.query.Flavor
@@ -1,4 +1,3 @@
 org.xbib.jdbc.query.flavor.Derby
 org.xbib.jdbc.query.flavor.Hsql
-org.xbib.jdbc.query.flavor.H2
-org.xbib.jdbc.query.flavor.SqlServer
\ No newline at end of file
+org.xbib.jdbc.query.flavor.H2
\ No newline at end of file
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/CommonTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/CommonTest.java
deleted file mode 100644
index f47ad3d..0000000
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/CommonTest.java
+++ /dev/null
@@ -1,1721 +0,0 @@
-package org.xbib.jdbc.query.test;
-
-import org.junit.jupiter.api.AfterEach;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.xbib.jdbc.query.ConstraintViolationException;
-import org.xbib.jdbc.query.Database;
-import org.xbib.jdbc.query.DatabaseException;
-import org.xbib.jdbc.query.DatabaseProvider;
-import org.xbib.jdbc.query.OptionsDefault;
-import org.xbib.jdbc.query.OptionsOverride;
-import org.xbib.jdbc.query.Row;
-import org.xbib.jdbc.query.RowHandler;
-import org.xbib.jdbc.query.RowsHandler;
-import org.xbib.jdbc.query.Schema;
-import org.xbib.jdbc.query.Sql;
-import org.xbib.jdbc.query.SqlArgs;
-import org.xbib.jdbc.query.StatementAdapter;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Reader;
-import java.io.StringReader;
-import java.math.BigDecimal;
-import java.sql.ResultSetMetaData;
-import java.time.Instant;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
-import java.time.Month;
-import java.time.ZoneId;
-import java.time.ZoneOffset;
-import java.time.format.DateTimeFormatter;
-import java.time.temporal.ChronoUnit;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.TimeZone;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.equalTo;
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertFalse;
-import static org.junit.jupiter.api.Assertions.assertNull;
-import static org.junit.jupiter.api.Assertions.assertSame;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.junit.jupiter.api.Assertions.fail;
-
-/**
- * Exercise Database functionality with a real database.
- */
-public abstract class CommonTest {
-
-    private static final Logger logger = Logger.getLogger(CommonTest.class.getName());
-
-    final static String TEST_TABLE_NAME = "dbtest";
-
-    protected static DatabaseProvider dbp;
-
-    protected Database db;
-
-    protected LocalDateTime now;
-
-    protected LocalDate localDateNow;
-
-    protected abstract DatabaseProvider createDatabaseProvider(OptionsOverride options) throws Exception;
-
-    @BeforeEach
-    public void setupJdbc() throws Exception {
-        now = LocalDateTime.now().truncatedTo(ChronoUnit.MILLIS);
-        localDateNow = LocalDate.now();
-        dbp = createDatabaseProvider(new OptionsOverride() {
-        });
-        db = dbp.get();
-        db.dropTableQuietly(TEST_TABLE_NAME);
-    }
-
-    @AfterEach
-    public void closeJdbc() {
-        if (dbp != null) {
-            dbp.commitAndClose();
-        }
-    }
-
-    @Test
-    public void tableExists() {
-        // Verify dbtest table does not exist
-        String lowercaseTable = TEST_TABLE_NAME.toLowerCase();
-        testTableLookup(lowercaseTable);
-        db.dropTableQuietly(lowercaseTable);
-        // Let's try creating a table with an upper case name and verify it works
-        String uppercaseTable = TEST_TABLE_NAME.toUpperCase();
-        testTableLookup(uppercaseTable);
-        db.dropTableQuietly(uppercaseTable);
-        // Verify that null or empty name is handled gracefully
-        assertFalse(db.tableExists(null));
-        assertFalse(db.tableExists(""));
-    }
-
-    private void testTableLookup(String tableName) {
-        // Verify test table does not exist
-        assertFalse(db.tableExists(tableName));
-        // Create and verify it exists.
-        new Schema().addTable(tableName).addColumn("pk").primaryKey().schema().execute(db);
-        assertTrue(db.tableExists(tableName));
-    }
-
-    @Test
-    public void normalizeTableName() {
-        // Verify that null and empty cases are handled gracefully
-        assertNull(db.normalizeTableName(null));
-        assertEquals("", db.normalizeTableName(""));
-
-        // Verify a quoted table name is returned in exactly the same case, with quotes removed.
-        String camelCaseTableName = "\"DbTest\"";
-        assertEquals(camelCaseTableName.substring(1, camelCaseTableName.length() - 1),
-                db.normalizeTableName(camelCaseTableName));
-
-        // Verify that the database flavor gets the expected normalized case
-        boolean isUpperCase = db.flavor().isNormalizedUpperCase();
-        if (isUpperCase) {
-            assertEquals(TEST_TABLE_NAME.toUpperCase(), db.normalizeTableName(TEST_TABLE_NAME));
-        } else {
-            assertEquals(TEST_TABLE_NAME.toLowerCase(), db.normalizeTableName(TEST_TABLE_NAME));
-        }
-    }
-
-    @Test
-    public void selectNewTable() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("nbr_integer").asInteger().primaryKey().table()
-                .addColumn("nbr_long").asLong().table()
-                .addColumn("nbr_float").asFloat().table()
-                .addColumn("nbr_double").asDouble().table()
-                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
-                .addColumn("str_varchar").asString(80).table()
-                .addColumn("str_fixed").asStringFixed(1).table()
-                .addColumn("str_lob").asClob().table()
-                .addColumn("bin_blob").asBlob().table()
-                .addColumn("date_millis").asLocalDateTime().table()
-                .addColumn("local_date").asLocalDate().table().schema().execute(db);
-
-        BigDecimal bigDecimal = new BigDecimal("5.3");
-        db.toInsert("insert into dbtest values (?,?,?,?,?,?,?,?,?,?,?)").argInteger(1).argLong(2L).argFloat(3.2f).argDouble(4.2)
-                .argBigDecimal(bigDecimal).argString("Hello").argString("T").argClobString("World")
-                .argBlobBytes("More".getBytes()).argLocalDateTime(now).argLocalDate(localDateNow).insert(1);
-
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest")
-                .query((RowsHandler<Void>) rs -> {
-                            assertTrue(rs.next());
-                            assertEquals(Integer.valueOf(1), rs.getIntegerOrNull(1));
-                            assertEquals(Integer.valueOf(1), rs.getIntegerOrNull("nbr_integer"));
-                            assertEquals(1, rs.getIntegerOrZero(1));
-                            assertEquals(1, rs.getIntegerOrZero("nbr_integer"));
-                            assertEquals(Long.valueOf(2), rs.getLongOrNull(2));
-                            assertEquals(Long.valueOf(2), rs.getLongOrNull("nbr_long"));
-                            assertEquals(2, rs.getLongOrZero(2));
-                            assertEquals(2, rs.getLongOrZero("nbr_long"));
-                            assertEquals(Float.valueOf(3.2f), rs.getFloatOrNull(3));
-                            assertEquals(Float.valueOf(3.2f), rs.getFloatOrNull("nbr_float"));
-                            assertEquals(3.2, rs.getFloatOrZero(3), 0.01);
-                            assertEquals(3.2, rs.getFloatOrZero("nbr_float"), 0.01);
-                            assertEquals(Double.valueOf(4.2), rs.getDoubleOrNull(4));
-                            assertEquals(Double.valueOf(4.2), rs.getDoubleOrNull("nbr_double"));
-                            assertEquals(4.2, rs.getDoubleOrZero(4), 0.01);
-                            assertEquals(4.2, rs.getDoubleOrZero("nbr_double"), 0.01);
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrNull(5));
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrNull("nbr_big_decimal"));
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrZero(5));
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrZero("nbr_big_decimal"));
-                            assertEquals("Hello", rs.getStringOrNull(6));
-                            assertEquals("Hello", rs.getStringOrNull("str_varchar"));
-                            assertEquals("Hello", rs.getStringOrEmpty(6));
-                            assertEquals("Hello", rs.getStringOrEmpty("str_varchar"));
-                            assertEquals("T", rs.getStringOrNull(7));
-                            assertEquals("T", rs.getStringOrNull("str_fixed"));
-                            assertEquals("T", rs.getStringOrEmpty(7));
-                            assertEquals("T", rs.getStringOrEmpty("str_fixed"));
-                            assertEquals("World", rs.getClobStringOrNull(8));
-                            assertEquals("World", rs.getClobStringOrNull("str_lob"));
-                            assertEquals("World", rs.getClobStringOrEmpty(8));
-                            assertEquals("World", rs.getClobStringOrEmpty("str_lob"));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull(9));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull("bin_blob"));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrZeroLen(9));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrZeroLen("bin_blob"));
-                            assertEquals(now, rs.getLocalDateTimeOrNull(10));
-                            assertEquals(now, rs.getLocalDateTimeOrNull("date_millis"));
-                            assertEquals(localDateNow, rs.getLocalDateOrNull(11));
-                            assertEquals(localDateNow, rs.getLocalDateOrNull("local_date"));
-                            return null;
-                        });
-        // Repeat the above query, using the various methods that automatically infer the column
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest")
-                .query((RowsHandler<Void>) rs -> {
-                    assertTrue(rs.next());
-                    assertEquals(Integer.valueOf(1), rs.getIntegerOrNull());
-                    assertEquals(Long.valueOf(2), rs.getLongOrNull());
-                    assertEquals(Float.valueOf(3.2f), rs.getFloatOrNull());
-                    assertEquals(Double.valueOf(4.2), rs.getDoubleOrNull());
-                    assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrNull());
-                    assertEquals("Hello", rs.getStringOrNull());
-                    assertEquals("T", rs.getStringOrNull());
-                    assertEquals("World", rs.getClobStringOrNull());
-                    assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull());
-                    assertEquals(now, rs.getLocalDateTimeOrNull());
-                    assertEquals(localDateNow, rs.getLocalDateOrNull());
-                    return null;
-                });
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest")
-                .query((RowsHandler<Void>) rs -> {
-                            assertTrue(rs.next());
-                            assertEquals(1, rs.getIntegerOrZero());
-                            assertEquals(2, rs.getLongOrZero());
-                            assertEquals(3.2, rs.getFloatOrZero(), 0.01);
-                            assertEquals(4.2, rs.getDoubleOrZero(), 0.01);
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrZero());
-                            assertEquals("Hello", rs.getStringOrEmpty());
-                            assertEquals("T", rs.getStringOrEmpty());
-                            assertEquals("World", rs.getClobStringOrEmpty());
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrZeroLen());
-                            return null;
-                        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", readerToString(rs.getClobReaderOrNull(1)));
-            assertArrayEquals("More".getBytes(), inputStreamToString(rs.getBlobInputStreamOrNull(2)));
-            return null;
-        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", readerToString(rs.getClobReaderOrEmpty(1)));
-            assertArrayEquals("More".getBytes(), inputStreamToString(rs.getBlobInputStreamOrEmpty(2)));
-            return null;
-        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", readerToString(rs.getClobReaderOrNull()));
-            assertArrayEquals("More".getBytes(), inputStreamToString(rs.getBlobInputStreamOrNull()));
-            return null;
-        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", readerToString(rs.getClobReaderOrEmpty()));
-            assertArrayEquals("More".getBytes(), inputStreamToString(rs.getBlobInputStreamOrEmpty()));
-            return null;
-        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", readerToString(rs.getClobReaderOrNull("str_lob")));
-            assertArrayEquals("More".getBytes(), inputStreamToString(rs.getBlobInputStreamOrNull("bin_blob")));
-            return null;
-        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", readerToString(rs.getClobReaderOrEmpty("str_lob")));
-            assertArrayEquals("More".getBytes(), inputStreamToString(rs.getBlobInputStreamOrEmpty("bin_blob")));
-            return null;
-        });
-        assertEquals(Long.valueOf(1), db.toSelect("select count(*) from dbtest where nbr_integer=:i and nbr_long=:l and "
-                        + "abs(nbr_float-:f)<0.01 and abs(nbr_double-:d)<0.01 and nbr_big_decimal=:bd and str_varchar=:s "
-                        + "and str_fixed=:sf and date_millis=:date and local_date=:local_date")
-                .argInteger("i", 1)
-                .argLong("l", 2L)
-                .argFloat("f", 3.2f)
-                .argDouble("d", 4.2)
-                .argBigDecimal("bd", bigDecimal)
-                .argString("s", "Hello")
-                .argString("sf", "T")
-                .argLocalDateTime("date", now)
-                .argLocalDate("local_date", localDateNow)
-                .queryLongOrNull());
-        List<Long> result = db.toSelect("select count(*) from dbtest where nbr_integer=:i and nbr_long=:l and "
-                        + "abs(nbr_float-:f)<0.01 and abs(nbr_double-:d)<0.01 and nbr_big_decimal=:bd and str_varchar=:s "
-                        + "and str_fixed=:sf and date_millis=:date and local_date=:local_date").argInteger("i", 1).argLong("l", 2L).argFloat("f", 3.2f)
-                .argDouble("d", 4.2).argBigDecimal("bd", bigDecimal).argString("s", "Hello").argString("sf", "T")
-                .argLocalDateTime("date", now).argLocalDate("local_date", localDateNow).queryLongs();
-        assertEquals(1, result.size());
-        assertEquals(Long.valueOf(1), result.get(0));
-    }
-
-    @Test
-    public void updatePositionalArgs() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("nbr_integer").asInteger().table()
-                .addColumn("nbr_long").asLong().table()
-                .addColumn("nbr_float").asFloat().table()
-                .addColumn("nbr_double").asDouble().table()
-                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
-                .addColumn("str_varchar").asString(80).table()
-                .addColumn("str_fixed").asStringFixed(1).table()
-                .addColumn("str_lob").asClob().table()
-                .addColumn("bin_blob").asBlob().table()
-                .addColumn("date_millis").asLocalDateTime().table()
-                .addColumn("local_date").asLocalDate().table().schema().execute(db);
-
-        BigDecimal bigDecimal = new BigDecimal("5.3");
-        assertEquals(1, db.toInsert("insert into dbtest values (?,?,?,?,?,?,?,?,?,?,?,?)")
-                .argLong(1L)
-                .argInteger(1)
-                .argLong(2L)
-                .argFloat(3.2f)
-                .argDouble(4.2)
-                .argBigDecimal(bigDecimal)
-                .argString("Hello")
-                .argString("T")
-                .argClobString("World")
-                .argBlobBytes("More".getBytes())
-                .argLocalDateTime(now)
-                .argLocalDate(localDateNow).insert());
-        db.toUpdate("update dbtest set nbr_integer=?, nbr_long=?, nbr_float=?, nbr_double=?, nbr_big_decimal=?, "
-                        + "str_varchar=?, str_fixed=?, str_lob=?, bin_blob=?, date_millis=?, local_date=?").argInteger(null).argLong(null)
-                .argFloat(null).argDouble(null).argBigDecimal(null).argString(null).argString(null).argClobString(null)
-                .argBlobBytes(null).argLocalDateTime(null).argLocalDate(null).update(1);
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest").query((RowsHandler<Void>) rs -> {
-                            assertTrue(rs.next());
-                            assertNull(rs.getIntegerOrNull(1));
-                            assertNull(rs.getIntegerOrNull("nbr_integer"));
-                            assertNull(rs.getLongOrNull(2));
-                            assertNull(rs.getLongOrNull("nbr_long"));
-                            assertNull(rs.getFloatOrNull(3));
-                            assertNull(rs.getFloatOrNull("nbr_float"));
-                            assertNull(rs.getDoubleOrNull(4));
-                            assertNull(rs.getDoubleOrNull("nbr_double"));
-                            assertNull(rs.getBigDecimalOrNull(5));
-                            assertNull(rs.getBigDecimalOrNull("nbr_big_decimal"));
-                            assertNull(rs.getStringOrNull(6));
-                            assertNull(rs.getStringOrNull("str_varchar"));
-                            assertNull(rs.getStringOrNull(7));
-                            assertNull(rs.getStringOrNull("str_fixed"));
-                            assertNull(rs.getClobStringOrNull(8));
-                            assertNull(rs.getClobStringOrNull("str_lob"));
-                            assertNull(rs.getBlobBytesOrNull(9));
-                            assertNull(rs.getBlobBytesOrNull("bin_blob"));
-                            assertNull(rs.getLocalDateTimeOrNull(10));
-                            assertNull(rs.getLocalDateTimeOrNull("date_millis"));
-                            assertNull(rs.getLocalDateOrNull(11));
-                            assertNull(rs.getLocalDateOrNull("local_date"));
-                            return null;
-                        });
-        assertEquals(1, db.toUpdate("update dbtest set nbr_integer=?, nbr_long=?, nbr_float=?, nbr_double=?, "
-                        + "nbr_big_decimal=?, str_varchar=?, str_fixed=?, str_lob=?, bin_blob=?, date_millis=?, local_date=?").argInteger(1)
-                .argLong(2L).argFloat(3.2f).argDouble(4.2).argBigDecimal(bigDecimal).argString("Hello").argString("T")
-                .argClobString("World").argBlobBytes("More".getBytes()).argLocalDateTime(now).argLocalDate(localDateNow).update());
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest").query((RowsHandler<Void>) rs -> {
-                            assertTrue(rs.next());
-                            assertEquals(Integer.valueOf(1), rs.getIntegerOrNull(1));
-                            assertEquals(Integer.valueOf(1), rs.getIntegerOrNull("nbr_integer"));
-                            assertEquals(Long.valueOf(2), rs.getLongOrNull(2));
-                            assertEquals(Long.valueOf(2), rs.getLongOrNull("nbr_long"));
-                            assertEquals(Float.valueOf(3.2f), rs.getFloatOrNull(3));
-                            assertEquals(Float.valueOf(3.2f), rs.getFloatOrNull("nbr_float"));
-                            assertEquals(Double.valueOf(4.2), rs.getDoubleOrNull(4));
-                            assertEquals(Double.valueOf(4.2), rs.getDoubleOrNull("nbr_double"));
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrNull(5));
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrNull("nbr_big_decimal"));
-                            assertEquals("Hello", rs.getStringOrNull(6));
-                            assertEquals("Hello", rs.getStringOrNull("str_varchar"));
-                            assertEquals("T", rs.getStringOrNull(7));
-                            assertEquals("T", rs.getStringOrNull("str_fixed"));
-                            assertEquals("World", rs.getClobStringOrNull(8));
-                            assertEquals("World", rs.getClobStringOrNull("str_lob"));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull(9));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull("bin_blob"));
-                            assertEquals(now, rs.getLocalDateTimeOrNull(10));
-                            assertEquals(now, rs.getLocalDateTimeOrNull("date_millis"));
-                            assertEquals(localDateNow, rs.getLocalDateOrNull(11));
-                            assertEquals(localDateNow, rs.getLocalDateOrNull("local_date"));
-                            return null;
-                        });
-        db.toUpdate("update dbtest set str_lob=?, bin_blob=?").argClobReader(null).argBlobStream(null).update(1);
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertNull(rs.getClobStringOrNull(1));
-            assertNull(rs.getClobStringOrNull("str_lob"));
-            assertNull(rs.getBlobBytesOrNull(2));
-            assertNull(rs.getBlobBytesOrNull("bin_blob"));
-            return null;
-        });
-        db.toUpdate("update dbtest set str_lob=?, bin_blob=?").argClobReader(new StringReader("World"))
-                .argBlobStream(new ByteArrayInputStream("More".getBytes())).update(1);
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", rs.getClobStringOrNull(1));
-            assertEquals("World", rs.getClobStringOrNull("str_lob"));
-            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull(2));
-            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull("bin_blob"));
-            return null;
-        });
-    }
-
-    @Test
-    public void updateNamedArgs() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("nbr_integer").asInteger().table()
-                .addColumn("nbr_long").asLong().table()
-                .addColumn("nbr_float").asFloat().table()
-                .addColumn("nbr_double").asDouble().table()
-                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
-                .addColumn("str_varchar").asString(80).table()
-                .addColumn("str_fixed").asStringFixed(1).table()
-                .addColumn("str_lob").asClob().table()
-                .addColumn("bin_blob").asBlob().table()
-                .addColumn("date_millis").asLocalDateTime().table()
-                .addColumn("local_date").asLocalDate().table().schema().execute(db);
-        BigDecimal bigDecimal = new BigDecimal("5.3");
-        db.toInsert("insert into dbtest values (:pk,:a,:b,:c,:d,:e,:f,:sf,:g,:h,:i,:j)").argLong(":pk", 1L).argInteger(":a", 1)
-                .argLong(":b", 2L).argFloat(":c", 3.2f).argDouble(":d", 4.2).argBigDecimal(":e", bigDecimal)
-                .argString(":f", "Hello").argString(":sf", "T")
-                .argClobString(":g", "World").argBlobBytes(":h", "More".getBytes())
-                .argLocalDateTime(":i", now).argLocalDate(":j", localDateNow).insert(1);
-        db.toUpdate("update dbtest set nbr_integer=:a, nbr_long=:b, nbr_float=:c, nbr_double=:d, nbr_big_decimal=:e, "
-                        + "str_varchar=:f, str_fixed=:sf, str_lob=:g, bin_blob=:h, date_millis=:i, local_date=:j").argInteger(":a", null)
-                .argLong(":b", null).argFloat(":c", null).argDouble(":d", null).argBigDecimal(":e", null)
-                .argString(":f", null).argString(":sf", null)
-                .argClobString(":g", null).argBlobBytes(":h", null)
-                .argLocalDateTime(":i", null).argLocalDate(":j", null).update(1);
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest").query((RowsHandler<Void>) rs -> {
-                            assertTrue(rs.next());
-                            assertNull(rs.getIntegerOrNull(1));
-                            assertNull(rs.getIntegerOrNull("nbr_integer"));
-                            assertNull(rs.getLongOrNull(2));
-                            assertNull(rs.getLongOrNull("nbr_long"));
-                            assertNull(rs.getFloatOrNull(3));
-                            assertNull(rs.getFloatOrNull("nbr_float"));
-                            assertNull(rs.getDoubleOrNull(4));
-                            assertNull(rs.getDoubleOrNull("nbr_double"));
-                            assertNull(rs.getBigDecimalOrNull(5));
-                            assertNull(rs.getBigDecimalOrNull("nbr_big_decimal"));
-                            assertNull(rs.getStringOrNull(6));
-                            assertNull(rs.getStringOrNull("str_varchar"));
-                            assertNull(rs.getStringOrNull(7));
-                            assertNull(rs.getStringOrNull("str_fixed"));
-                            assertNull(rs.getClobStringOrNull(8));
-                            assertNull(rs.getClobStringOrNull("str_lob"));
-                            assertNull(rs.getBlobBytesOrNull(9));
-                            assertNull(rs.getBlobBytesOrNull("bin_blob"));
-                            assertNull(rs.getLocalDateTimeOrNull(10));
-                            assertNull(rs.getLocalDateTimeOrNull("date_millis"));
-                            assertNull(rs.getLocalDateOrNull(11));
-                            assertNull(rs.getLocalDateOrNull("local_date"));
-                            return null;
-                        });
-        db.toUpdate("update dbtest set nbr_integer=:a, nbr_long=:b, nbr_float=:c, nbr_double=:d, nbr_big_decimal=:e, "
-                        + "str_varchar=:f, str_fixed=:sf, str_lob=:g, bin_blob=:h, date_millis=:i, local_date=:j").argInteger(":a", 1)
-                .argLong(":b", 2L).argFloat(":c", 3.2f).argDouble(":d", 4.2).argBigDecimal(":e", bigDecimal)
-                .argString(":f", "Hello").argString(":sf", "T")
-                .argClobString(":g", "World").argBlobBytes(":h", "More".getBytes())
-                .argLocalDateTime(":i", now).argLocalDate(":j", localDateNow).update(1);
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest")
-                .query((RowsHandler<Void>) rs -> {
-                            assertTrue(rs.next());
-                            assertEquals(Integer.valueOf(1), rs.getIntegerOrNull(1));
-                            assertEquals(Integer.valueOf(1), rs.getIntegerOrNull("nbr_integer"));
-                            assertEquals(Long.valueOf(2), rs.getLongOrNull(2));
-                            assertEquals(Long.valueOf(2), rs.getLongOrNull("nbr_long"));
-                            assertEquals(Float.valueOf(3.2f), rs.getFloatOrNull(3));
-                            assertEquals(Float.valueOf(3.2f), rs.getFloatOrNull("nbr_float"));
-                            assertEquals(Double.valueOf(4.2), rs.getDoubleOrNull(4));
-                            assertEquals(Double.valueOf(4.2), rs.getDoubleOrNull("nbr_double"));
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrNull(5));
-                            assertEquals(new BigDecimal("5.3"), rs.getBigDecimalOrNull("nbr_big_decimal"));
-                            assertEquals("Hello", rs.getStringOrNull(6));
-                            assertEquals("Hello", rs.getStringOrNull("str_varchar"));
-                            assertEquals("T", rs.getStringOrNull(7));
-                            assertEquals("T", rs.getStringOrNull("str_fixed"));
-                            assertEquals("World", rs.getClobStringOrNull(8));
-                            assertEquals("World", rs.getClobStringOrNull("str_lob"));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull(9));
-                            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull("bin_blob"));
-                            assertEquals(now, rs.getLocalDateTimeOrNull(10));
-                            assertEquals(now, rs.getLocalDateTimeOrNull("date_millis"));
-                            assertEquals(localDateNow, rs.getLocalDateOrNull(11));
-                            assertEquals(localDateNow, rs.getLocalDateOrNull("local_date"));
-                            return null;
-                        });
-
-        db.toUpdate("update dbtest set str_lob=:a, bin_blob=:b").argClobReader(":a", null).argBlobStream(":b", null).update(1);
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertNull(rs.getClobStringOrNull(1));
-            assertNull(rs.getClobStringOrNull("str_lob"));
-            assertNull(rs.getBlobBytesOrNull(2));
-            assertNull(rs.getBlobBytesOrNull("bin_blob"));
-            return null;
-        });
-        db.toUpdate("update dbtest set str_lob=:a, bin_blob=:b").argClobReader(":a", new StringReader("World"))
-                .argBlobStream(":b", new ByteArrayInputStream("More".getBytes())).update(1);
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals("World", rs.getClobStringOrNull(1));
-            assertEquals("World", rs.getClobStringOrNull("str_lob"));
-            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull(2));
-            assertArrayEquals("More".getBytes(), rs.getBlobBytesOrNull("bin_blob"));
-            return null;
-        });
-    }
-
-    @Test
-    public void nullValues() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("nbr_integer").asInteger().table()
-                .addColumn("nbr_long").asLong().table()
-                .addColumn("nbr_float").asFloat().table()
-                .addColumn("nbr_double").asDouble().table()
-                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
-                .addColumn("str_varchar").asString(80).table()
-                .addColumn("str_fixed").asStringFixed(1).table()
-                .addColumn("str_lob").asClob().table()
-                .addColumn("bin_blob").asBlob().table()
-                .addColumn("date_millis").asLocalDateTime().table()
-                .addColumn("local_date").asLocalDate().table().schema().execute(db);
-        db.toInsert("insert into dbtest values (?,?,?,?,?,?,?,?,?,?,?,?)").argLong(1L).argInteger(null).argLong(null)
-                .argFloat(null).argDouble(null).argBigDecimal(null).argString(null).argString(null).argClobString(null)
-                .argBlobBytes(null).argLocalDateTime(null).argLocalDate(null).insert(1);
-        db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
-                        + "bin_blob, date_millis, local_date from dbtest")
-                .query((RowsHandler<Void>) rs -> {
-                            assertTrue(rs.next());
-                            assertNull(rs.getIntegerOrNull(1));
-                            assertNull(rs.getIntegerOrNull("nbr_integer"));
-                            assertNull(rs.getLongOrNull(2));
-                            assertNull(rs.getLongOrNull("nbr_long"));
-                            assertNull(rs.getFloatOrNull(3));
-                            assertNull(rs.getFloatOrNull("nbr_float"));
-                            assertNull(rs.getDoubleOrNull(4));
-                            assertNull(rs.getDoubleOrNull("nbr_double"));
-                            assertNull(rs.getBigDecimalOrNull(5));
-                            assertNull(rs.getBigDecimalOrNull("nbr_big_decimal"));
-                            assertNull(rs.getStringOrNull(6));
-                            assertNull(rs.getStringOrNull("str_varchar"));
-                            assertNull(rs.getStringOrNull(7));
-                            assertNull(rs.getStringOrNull("str_fixed"));
-                            assertNull(rs.getClobStringOrNull(8));
-                            assertNull(rs.getClobStringOrNull("str_lob"));
-                            assertNull(rs.getBlobBytesOrNull(9));
-                            assertNull(rs.getBlobBytesOrNull("bin_blob"));
-                            assertNull(rs.getLocalDateTimeOrNull(10));
-                            assertNull(rs.getLocalDateTimeOrNull("date_millis"));
-                            assertNull(rs.getLocalDateOrNull(11));
-                            assertNull(rs.getLocalDateOrNull("local_date"));
-                            return null;
-                        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertNull(rs.getClobReaderOrNull(1));
-            assertNull(rs.getBlobInputStreamOrNull(2));
-            return null;
-        });
-        db.toSelect("select str_lob, bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertNull(rs.getClobReaderOrNull("str_lob"));
-            assertNull(rs.getBlobInputStreamOrNull("bin_blob"));
-            return null;
-        });
-    }
-
-    @Test
-    public void fromAny() {
-        assertEquals(db.toSelect("select 1" + db.flavor().fromAny()).queryIntegerOrZero(), 1);
-    }
-
-    @Test
-    public void metadataColumnNames() {
-        new Schema().addTable("dbtest").addColumn("pk").primaryKey().schema().execute(db);
-        db.toSelect("select Pk, Pk as Foo, Pk as \"Foo\" from dbtest").query(rs -> {
-            assertArrayEquals(new String[]{"PK", "FOO", "Foo"}, rs.getColumnLabels());
-            return null;
-        });
-    }
-
-    @Test
-    public void metadataColumnTypes() {
-        String timestampColumnName = "data_millis";
-        String dateColumnName = "local_date";
-        new Schema()
-                .addTable("dbtest")
-                .addColumn(timestampColumnName).asLocalDateTime().table()
-                .addColumn(dateColumnName).asLocalDate().table().schema().execute(db);
-        db.toSelect("select * from dbtest").query((RowsHandler<Void>) rs -> {
-            ResultSetMetaData metadata = rs.getMetadata();
-            for (int i = 1; i <= metadata.getColumnCount(); i++) {
-                String columnName = metadata.getColumnName(i);
-                String columnType = metadata.getColumnTypeName(i);
-                if (columnName.equalsIgnoreCase(timestampColumnName)) {
-                    if ("sqlserver".equals(db.flavor().getName())) {
-                        assertEquals("DATETIME2", columnType.toUpperCase());
-                    } else if ("hsqldb".equals(db.flavor().getName())) {
-                        assertEquals("TIMESTAMP WITH TIME ZONE", columnType.toUpperCase());
-                    } else {
-                        assertEquals("TIMESTAMP", columnType.toUpperCase());
-                    }
-                } else if (columnName.equalsIgnoreCase(dateColumnName)) {
-                    assertEquals("DATE", columnType.toUpperCase());
-                } else {
-                    fail("Unexpected column " + columnName + " of type " + columnType);
-                }
-            }
-            return null;
-        });
-    }
-
-    @Test
-    public void intervals() {
-        new Schema().addTable("dbtest").addColumn("d").asLocalDateTime().schema().execute(db);
-        db.toInsert("insert into dbtest (d) values (?)").argLocalDateTime(now).insert(1);
-        assertEquals(1, db.toSelect("select count(1) from dbtest where d - interval '1' hour * ? < ?")
-                .argInteger(2)
-                .argLocalDateTime(now)
-                .queryIntegerOrZero());
-    }
-
-    @Test
-    public void saveResultAsTable() {
-        new Schema().addTable("dbtest")
-                .addColumn("nbr_integer").asInteger().primaryKey().table()
-                .addColumn("nbr_long").asLong().table()
-                .addColumn("nbr_float").asFloat().table()
-                .addColumn("nbr_double").asDouble().table()
-                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
-                .addColumn("str_varchar").asString(80).table()
-                .addColumn("str_fixed").asStringFixed(1).table()
-                .addColumn("str_lob").asClob().table()
-                .addColumn("bin_blob").asBlob().table()
-                .addColumn("boolean_flag").asBoolean().table()
-                .addColumn("date_millis").asLocalDateTime().table()
-                .addColumn("local_date").asLocalDate().schema().execute(db);
-        db.toInsert("insert into dbtest (nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar,"
-                        + " str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date) values (?,?,?,?,?,?,?,?,?,?,?,?)")
-                .argInteger(Integer.MAX_VALUE).argLong(Long.MAX_VALUE).argFloat(Float.MAX_VALUE)
-                .argDouble(Double.MAX_VALUE).argBigDecimal(new BigDecimal("123.456"))
-                .argString("hello").argString("Z").argClobString("hello again")
-                .argBlobBytes(new byte[]{'1', '2'}).argBoolean(true)
-                .argLocalDateTime(now)
-                .argLocalDate(localDateNow).insert(1);
-        db.toInsert("insert into dbtest (nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar,"
-                        + " str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date) values (?,?,?,?,?,?,?,?,?,?,?,?)")
-                .argInteger(Integer.MIN_VALUE).argLong(Long.MIN_VALUE).argFloat(0.000001f)
-                .argDouble(Double.MIN_VALUE).argBigDecimal(new BigDecimal("-123.456"))
-                .argString("goodbye").argString("A").argClobString("bye again")
-                .argBlobBytes(new byte[]{'3', '4'}).argBoolean(false)
-                .argLocalDateTime(now)
-                .argLocalDate(localDateNow).insert(1);
-        String expectedSchema = new Schema().addTable("dbtest2")
-                .addColumn("nbr_integer").asInteger().table()
-                .addColumn("nbr_long").asLong().table()
-                .addColumn("nbr_float").asFloat().table()
-                .addColumn("nbr_double").asDouble().table()
-                .addColumn("nbr_big_decimal").asBigDecimal(19, 9).table()
-                .addColumn("str_varchar").asString(80).table()
-                .addColumn("str_fixed").asStringFixed(1).table()
-                .addColumn("str_lob").asClob().table()
-                .addColumn("bin_blob").asBlob().table()
-                .addColumn("boolean_flag").asBoolean().table()
-                .addColumn("date_millis").asLocalDateTime().table()
-                .addColumn("local_date").asLocalDate().schema().print(db.flavor());
-        List<SqlArgs> args = db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
-                        + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest")
-                .query(rs -> {
-                    List<SqlArgs> result = new ArrayList<>();
-                    while (rs.next()) {
-                        if (result.size() == 0) {
-                            db.dropTableQuietly("dbtest2");
-                            Schema schema = new Schema().addTableFromRow("dbtest2", rs).schema();
-                            assertEquals(expectedSchema, schema.print(db.flavor()));
-                            schema.execute(db);
-                        }
-                        result.add(SqlArgs.readRow(rs));
-                    }
-                    return result;
-                });
-
-        db.toInsert(Sql.insert("dbtest2", args)).insertBatch();
-
-        assertEquals(2, db.toSelect("select count(*) from dbtest2").queryIntegerOrZero());
-
-        assertEquals(
-                db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
-                                + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest order by 1")
-                        .queryMany(SqlArgs::readRow),
-                db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
-                                + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest2 order by 1")
-                        .queryMany(SqlArgs::readRow));
-
-        assertEquals(
-                Arrays.asList(
-                        new SqlArgs().argInteger("nbr_integer", Integer.MIN_VALUE)
-                                .argLong("nbr_long", Long.MIN_VALUE)
-                                .argFloat("nbr_float", 0.000001f)
-                                .argDouble("nbr_double", Double.MIN_VALUE)
-                                .argBigDecimal("nbr_big_decimal", new BigDecimal("-123.456"))
-                                .argString("str_varchar", "goodbye")
-                                .argString("str_fixed", "A")
-                                .argClobString("str_lob", "bye again")
-                                .argBlobBytes("bin_blob", new byte[]{'3', '4'})
-                                .argString("boolean_flag", "N")//.argBoolean("boolean_flag", false)
-                                .argLocalDateTime("date_millis", now)
-                                .argLocalDate("local_date", localDateNow),
-                        new SqlArgs().argInteger("nbr_integer", Integer.MAX_VALUE)
-                                .argLong("nbr_long", Long.MAX_VALUE)
-                                .argFloat("nbr_float", Float.MAX_VALUE)
-                                .argDouble("nbr_double", Double.MAX_VALUE)
-                                .argBigDecimal("nbr_big_decimal", new BigDecimal("123.456"))
-                                .argString("str_varchar", "hello")
-                                .argString("str_fixed", "Z")
-                                .argClobString("str_lob", "hello again")
-                                .argBlobBytes("bin_blob", new byte[]{'1', '2'})
-                                .argString("boolean_flag", "Y")//.argBoolean("boolean_flag", true)
-                                .argLocalDateTime("date_millis", now)
-                                .argLocalDate("local_date", localDateNow)),
-                db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal,"
-                                + " str_varchar, str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date from dbtest2 order by 1")
-                        .queryMany(SqlArgs::readRow));
-    }
-
-    @Test
-    public void readSqlArgs() {
-        new Schema().addTable("dbtest").addColumn("pk").primaryKey().schema().execute(db);
-        db.toInsert("insert into dbtest (pk) values (?)").argInteger(1).insert(1);
-        SqlArgs args = db.toSelect("select Pk, Pk as Foo, Pk as \"Foo\", pk as \"g arB#G!\","
-                        + " pk as \"TitleCase\" from dbtest")
-                .queryOneOrThrow(SqlArgs::readRow);
-
-        assertEquals(Arrays.asList("pk", "foo", "foo_2", "g_ar_b_g", "title_case"), args.names());
-    }
-
-    @Test
-    public void clockSync() {
-        db.assertTimeSynchronized();
-    }
-
-    @Test
-    public void booleanColumn() {
-        new Schema().addTable("dbtest")
-                .addColumn("t").asBoolean().table()
-                .addColumn("f").asBoolean().table()
-                .addColumn("n").asBoolean().schema().execute(db);
-        db.toInsert("insert into dbtest (t,f,n) values (?,:f,?)")
-                .argBoolean(true).argBoolean("f", false).argBoolean(null).insert(1);
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertSame(rs.getBooleanOrNull(), Boolean.TRUE);
-                    assertSame(rs.getBooleanOrNull(), Boolean.FALSE);
-                    assertNull(rs.getBooleanOrNull());
-                    return null;
-                });
-        // Verify use of getBooleanOrNull(int) followed by default getBooleanOrNull() tracks
-        // the current column index correctly (picks up where the explicit one left off)
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertSame(rs.getBooleanOrNull(2), Boolean.FALSE);
-                    assertNull(rs.getBooleanOrNull());
-                    return null;
-                });
-        // Verify use of getBooleanOrNull(String) followed by default getBooleanOrNull() tracks
-        // the current column index correctly (picks up where the explicit one left off)
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertSame(rs.getBooleanOrNull("f"), Boolean.FALSE);
-                    assertNull(rs.getBooleanOrNull());
-                    return null;
-                });
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertTrue(rs.getBooleanOrFalse());
-                    assertFalse(rs.getBooleanOrFalse());
-                    assertFalse(rs.getBooleanOrFalse());
-                    return null;
-                });
-        // Verify use of getBooleanOrFalse(int) followed by default getBooleanOrFalse() tracks
-        // the current column index correctly (picks up where the explicit one left off)
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertFalse(rs.getBooleanOrFalse(2));
-                    assertFalse(rs.getBooleanOrFalse());
-                    return null;
-                });
-        // Verify use of getBooleanOrFalse(String) followed by default getBooleanOrFalse() tracks
-        // the current column index correctly (picks up where the explicit one left off)
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertFalse(rs.getBooleanOrFalse("f"));
-                    assertFalse(rs.getBooleanOrFalse());
-                    return null;
-                });
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertTrue(rs.getBooleanOrTrue());
-                    assertFalse(rs.getBooleanOrTrue());
-                    assertTrue(rs.getBooleanOrTrue());
-                    return null;
-                });
-        // Verify use of getBooleanOrTrue(int) followed by default getBooleanOrTrue() tracks
-        // the current column index correctly (picks up where the explicit one left off)
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertFalse(rs.getBooleanOrTrue(2));
-                    assertTrue(rs.getBooleanOrTrue());
-                    return null;
-                });
-        // Verify use of getBooleanOrTrue(String) followed by default getBooleanOrTrue() tracks
-        // the current column index correctly (picks up where the explicit one left off)
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertFalse(rs.getBooleanOrTrue("f"));
-                    assertTrue(rs.getBooleanOrTrue());
-                    return null;
-                });
-        db.toDelete("delete from dbtest where t=? and f=?")
-                .argBoolean(true).argBoolean(false).update(1);
-
-        db.toInsert("insert into dbtest (t,f,n) values (:t,:f,:n)")
-                .argBoolean("t", true).argBoolean("f", false).argBoolean("n", null).insert(1);
-        db.toSelect("select t,f,n from dbtest")
-                .query(rs -> {
-                    assertTrue(rs.next());
-                    assertSame(rs.getBooleanOrNull(1), Boolean.TRUE);
-                    assertSame(rs.getBooleanOrNull(2), Boolean.FALSE);
-                    assertNull(rs.getBooleanOrNull(3));
-                    assertEquals(rs.getBooleanOrFalse(1), Boolean.TRUE);
-                    assertEquals(rs.getBooleanOrFalse(2), Boolean.FALSE);
-                    assertEquals(rs.getBooleanOrFalse(3), Boolean.FALSE);
-                    assertEquals(rs.getBooleanOrTrue(1), Boolean.TRUE);
-                    assertEquals(rs.getBooleanOrTrue(2), Boolean.FALSE);
-                    assertEquals(rs.getBooleanOrTrue(3), Boolean.TRUE);
-                    assertSame(rs.getBooleanOrNull("t"), Boolean.TRUE);
-                    assertSame(rs.getBooleanOrNull("f"), Boolean.FALSE);
-                    assertNull(rs.getBooleanOrNull("n"));
-                    assertEquals(rs.getBooleanOrFalse("t"), Boolean.TRUE);
-                    assertEquals(rs.getBooleanOrFalse("f"), Boolean.FALSE);
-                    assertEquals(rs.getBooleanOrFalse("n"), Boolean.FALSE);
-                    assertEquals(rs.getBooleanOrTrue("t"), Boolean.TRUE);
-                    assertEquals(rs.getBooleanOrTrue("f"), Boolean.FALSE);
-                    assertEquals(rs.getBooleanOrTrue("n"), Boolean.TRUE);
-                    return null;
-                });
-        assertSame(db.toSelect("select t from dbtest").queryBooleanOrNull(), Boolean.TRUE);
-        assertTrue(db.toSelect("select t from dbtest").queryBooleanOrFalse());
-        assertTrue(db.toSelect("select t from dbtest").queryBooleanOrTrue());
-        assertSame(db.toSelect("select f from dbtest").queryBooleanOrNull(), Boolean.FALSE);
-        assertFalse(db.toSelect("select f from dbtest").queryBooleanOrFalse());
-        assertFalse(db.toSelect("select f from dbtest").queryBooleanOrTrue());
-        assertNull(db.toSelect("select n from dbtest").queryBooleanOrNull());
-        assertFalse(db.toSelect("select n from dbtest").queryBooleanOrFalse());
-        assertTrue(db.toSelect("select n from dbtest").queryBooleanOrTrue());
-    }
-
-    @Test
-    public void batchInsert() {
-        new Schema().addTable("dbtest")
-                .addColumn("pk").primaryKey().schema().execute(db);
-
-        db.toInsert("insert into dbtest (pk) values (?)")
-                .argInteger(1).batch()
-                .argInteger(2).batch()
-                .argInteger(3).batch().insertBatch();
-
-        assertEquals(3, db.toSelect("select count(*) from dbtest").queryIntegerOrZero());
-    }
-
-    @Test
-    public void batchInsertPkLong() {
-        new Schema().addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("s").asString(10).schema().execute(db);
-
-        db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                .argPkLong(1L).argString("hi").batch()
-                .argPkLong(2L).argString("hello").batch()
-                .argPkLong(3L).argString("howdy").batch().insertBatch();
-
-        assertEquals(3, db.toSelect("select count(*) from dbtest").queryIntegerOrZero());
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                    .argPkLong(1L).argString("hi").batch()
-                    // argPkLong in different position ==> error
-                    .argString("hello").argPkLong(2L).batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("The argPkLong() calls must be in the same position across batch records", e.getMessage());
-        }
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                    // multiple pk calls ==> error
-                    .argPkLong(1L).argPkLong(1L).batch()
-                    .argPkLong(2L).argString("hello").batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("Only call one argPk*() method", e.getMessage());
-        }
-    }
-
-    @Test
-    public void batchInsertPkLongNamed() {
-        new Schema().addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("s").asString(10).schema().execute(db);
-
-        db.toInsert("insert into dbtest (pk,s) values (:pk,?)")
-                .argPkLong("pk", 1L).argString("hi").batch()
-                .argPkLong("pk", 2L).argString("hello").batch()
-                .argPkLong("pk", 3L).argString("howdy").batch().insertBatch();
-
-        assertEquals(3, db.toSelect("select count(*) from dbtest").queryIntegerOrZero());
-
-        db.toInsert("insert into dbtest (pk,s) values (:pk,?)")
-                .batch().argPkLong("pk", 4L).argString("hi").batch()
-                .argString("hello").argPkLong("pk", 5L).insertBatch();
-
-        assertEquals(5, db.toSelect("select count(*) from dbtest").queryIntegerOrZero());
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (:pk,?)")
-                    // multiple pk calls ==> error
-                    .argPkLong("pk", 1L).argPkLong(1L).batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("Only call one argPk*() method", e.getMessage());
-        }
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                    .argPkLong("pk", 1L).argString("howdy").batch()
-                    // different name for pk on second batch ==> error
-                    .argPkLong("na", 2L).argString("hello").batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("The primary key argument name must match across batch rows", e.getMessage());
-        }
-    }
-
-    @Test
-    public void batchInsertPkSeq() {
-        db.dropSequenceQuietly("seq");
-        new Schema().addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("s").asString(10).schema()
-                .addSequence("seq").schema().execute(db);
-
-        db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                .argPkSeq("seq").argString("hi").batch()
-                .argPkSeq("seq").argString("hello").batch()
-                .argPkSeq("seq").argString("howdy").batch().insertBatch();
-
-        assertEquals(3, db.toSelect("select count(*) from dbtest").queryIntegerOrZero());
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                    .argPkSeq("seq").argString("hi").batch()
-                    // argPkLong in different position ==> error
-                    .argString("hello").argPkSeq("seq").batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("The argPkSeq() calls must be in the same position across batch records", e.getMessage());
-        }
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                    // multiple pk calls ==> error
-                    .argPkSeq("seq").argPkSeq("seq").batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("Only call one argPk*() method", e.getMessage());
-        }
-    }
-
-    @Test
-    public void batchInsertPkSeqNamed() {
-        db.dropSequenceQuietly("seq");
-        new Schema().addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("s").asString(10).schema()
-                .addSequence("seq").schema().execute(db);
-
-        db.toInsert("insert into dbtest (pk,s) values (:pk,?)")
-                .argPkSeq("pk", "seq").argString("hi").batch()
-                .argPkSeq("pk", "seq").argString("hello").batch()
-                .argPkSeq("pk", "seq").argString("howdy").batch().insertBatch();
-
-        assertEquals(3, db.toSelect("select count(*) from dbtest").queryIntegerOrZero());
-
-        db.toInsert("insert into dbtest (pk,s) values (:pk,?)")
-                .batch().argPkSeq("pk", "seq").argString("hi").batch()
-                .argString("hello").argPkSeq("pk", "seq").insertBatch();
-
-        assertEquals(5, db.toSelect("select count(*) from dbtest").queryIntegerOrZero());
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (:pk,?)")
-                    // multiple pk calls ==> error
-                    .argPkSeq("pk", "seq").argPkSeq("pk", "seq").batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("Only call one argPk*() method", e.getMessage());
-        }
-
-        try {
-            db.toInsert("insert into dbtest (pk,s) values (?,?)")
-                    .argPkSeq("pk", "seq").argString("howdy").batch()
-                    // different name for pk on second batch ==> error
-                    .argPkSeq("na", "seq").argString("hello").batch().insertBatch();
-            fail("Expecting an exception to be thrown");
-        } catch (DatabaseException e) {
-            assertEquals("The primary key argument name must match across batch rows", e.getMessage());
-        }
-    }
-
-    @Test
-    public void bigClob() {
-        new Schema().addTable("dbtest").addColumn("str_lob").asClob().schema().execute(db);
-        final String longString = "0123456789".repeat(40000);
-        db.toInsert("insert into dbtest values (?)").argClobString(longString).insert(1);
-        db.toSelect("select str_lob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals(longString, rs.getClobStringOrNull(1));
-            assertEquals(longString, rs.getClobStringOrNull("str_lob"));
-            assertEquals(longString, readerToString(rs.getClobReaderOrNull(1)));
-            return null;
-        });
-        // Intentional slight variation here to test get()
-        db.get().toSelect("select str_lob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals(longString, readerToString(rs.getClobReaderOrNull("str_lob")));
-            return null;
-        });
-        db.toDelete("delete from dbtest").update(1);
-        db.toInsert("insert into dbtest values (?)").argClobReader(new StringReader(longString)).insert(1);
-        db.toSelect("select str_lob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals(longString, rs.getClobStringOrNull(1));
-            assertEquals(longString, rs.getClobStringOrNull("str_lob"));
-            assertEquals(longString, readerToString(rs.getClobReaderOrNull(1)));
-            return null;
-        });
-        db.toSelect("select str_lob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertEquals(longString, readerToString(rs.getClobReaderOrNull("str_lob")));
-            return null;
-        });
-    }
-
-    @Test
-    public void bigBlob() {
-        new Schema().addTable("dbtest").addColumn("bin_blob").asBlob().schema().execute(db);
-        final byte[] bigBytes = "0123456789".repeat(40000).getBytes();
-        db.toInsert("insert into dbtest values (?)").argBlobBytes(bigBytes).insert(1);
-        db.toSelect("select bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertArrayEquals(bigBytes, rs.getBlobBytesOrNull(1));
-            assertArrayEquals(bigBytes, rs.getBlobBytesOrNull("bin_blob"));
-            assertArrayEquals(bigBytes, inputStreamToString(rs.getBlobInputStreamOrNull(1)));
-            return null;
-        });
-        db.toSelect("select bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertArrayEquals(bigBytes, inputStreamToString(rs.getBlobInputStreamOrNull("bin_blob")));
-            return null;
-        });
-        db.toDelete("delete from dbtest").update(1);
-        db.toInsert("insert into dbtest values (?)").argBlobStream(new ByteArrayInputStream(bigBytes)).insert(1);
-        db.toSelect("select bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertArrayEquals(bigBytes, rs.getBlobBytesOrNull(1));
-            assertArrayEquals(bigBytes, rs.getBlobBytesOrNull("bin_blob"));
-            assertArrayEquals(bigBytes, inputStreamToString(rs.getBlobInputStreamOrNull(1)));
-            return null;
-        });
-        db.toSelect("select bin_blob from dbtest").query((RowsHandler<Void>) rs -> {
-            assertTrue(rs.next());
-            assertArrayEquals(bigBytes, inputStreamToString(rs.getBlobInputStreamOrNull("bin_blob")));
-            return null;
-        });
-    }
-
-    @Test
-    public void argLocalDateTimeZones() {
-        LocalDate januaryOne2000 = LocalDate.of(2000, Month.JANUARY, 1);
-        // Verify we always get the same LocalDate regardless of time zone and DB across all drivers
-        new Schema().addTable("dbtest").addColumn("i").asLocalDate().schema().execute(db);
-        db.toInsert("insert into dbtest (i) values (?)").argLocalDate(januaryOne2000).insert(1);
-        // Query without specifying a zone
-        assertEquals(januaryOne2000,
-                db.toSelect("select i from dbtest where i=?").argLocalDate(januaryOne2000).queryLocalDateOrNull());
-        TimeZone defaultTZ = TimeZone.getDefault();
-        try {
-            String[] availableTZs = TimeZone.getAvailableIDs();
-            for (String tz : availableTZs) {
-                TimeZone.setDefault(TimeZone.getTimeZone(tz));
-                LocalDate result =
-                        db.toSelect("select i from dbtest where i=?").argLocalDate(januaryOne2000).queryLocalDateOrNull();
-                assertEquals(januaryOne2000, result);
-            }
-        } finally {
-            TimeZone.setDefault(defaultTZ);
-        }
-    }
-
-    @Test
-    public void argLocalDateLeapYear() {
-        new Schema().addTable("dbtest").addColumn("testdate").asLocalDate().schema().execute(db);
-
-        // Start by adding Febriary 28 and March 1 of 1900.  This was not a leap year.
-        LocalDate feb1900 = LocalDate.of(1900, Month.FEBRUARY, 28);
-        db.toInsert("insert into dbtest (testdate) values (?)").argLocalDate(feb1900).insert(1);
-        assertEquals(feb1900,
-                db.toSelect("select testdate from dbtest where testdate=?").argLocalDate(feb1900).queryLocalDateOrNull());
-
-        LocalDate mar1900 = LocalDate.of(1900, Month.MARCH, 1);
-        db.toInsert("insert into dbtest (testdate) values (?)").argLocalDate(mar1900).insert(1);
-        assertEquals(mar1900,
-                db.toSelect("select testdate from dbtest where testdate=?").argLocalDate(mar1900).queryLocalDateOrNull());
-
-        // Now try Feb 28, 29, and March 1 of 2000.  This was a leap year
-        LocalDate feb2000 = LocalDate.of(2000, Month.FEBRUARY, 28);
-        db.toInsert("insert into dbtest (testdate) values (?)").argLocalDate(feb2000).insert(1);
-        assertEquals(feb2000,
-                db.toSelect("select testdate from dbtest where testdate=?").argLocalDate(feb2000).queryLocalDateOrNull());
-
-        LocalDate febLeap2000 = LocalDate.of(2000, Month.FEBRUARY, 29);
-        db.toInsert("insert into dbtest (testdate) values (?)").argLocalDate(febLeap2000).insert(1);
-        assertEquals(febLeap2000,
-                db.toSelect("select testdate from dbtest where testdate=?").argLocalDate(febLeap2000).queryLocalDateOrNull());
-
-        LocalDate mar2000 = LocalDate.of(2000, Month.MARCH, 1);
-        db.toInsert("insert into dbtest (testdate) values (?)").argLocalDate(mar2000).insert(1);
-        assertEquals(mar2000,
-                db.toSelect("select testdate from dbtest where testdate=?").argLocalDate(mar2000).queryLocalDateOrNull());
-    }
-
-    @Test
-    public void argIntegerMinMax() {
-        new Schema().addTable("dbtest").addColumn("i").asInteger().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argInteger(Integer.MIN_VALUE).insert(1);
-        assertEquals(Integer.valueOf(Integer.MIN_VALUE),
-                db.toSelect("select i from dbtest where i=?").argInteger(Integer.MIN_VALUE).queryIntegerOrNull());
-
-        db.toInsert("insert into dbtest (i) values (?)").argInteger(Integer.MAX_VALUE).insert(1);
-        assertEquals(Integer.valueOf(Integer.MAX_VALUE),
-                db.toSelect("select i from dbtest where i=?").argInteger(Integer.MAX_VALUE).queryIntegerOrNull());
-    }
-
-    @Test
-    public void argLongMinMax() {
-        new Schema().addTable("dbtest").addColumn("i").asLong().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argLong(Long.MIN_VALUE).insert(1);
-        assertEquals(Long.valueOf(Long.MIN_VALUE),
-                db.toSelect("select i from dbtest where i=?").argLong(Long.MIN_VALUE).queryLongOrNull());
-
-        db.toInsert("insert into dbtest (i) values (?)").argLong(Long.MAX_VALUE).insert(1);
-        assertEquals(Long.valueOf(Long.MAX_VALUE),
-                db.toSelect("select i from dbtest where i=?").argLong(Long.MAX_VALUE).queryLongOrNull());
-    }
-
-    @Test
-    public void argFloatMinMax() {
-        new Schema().addTable("dbtest").addColumn("i").asFloat().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argFloat(Float.MIN_VALUE).insert(1);
-        assertEquals(Float.valueOf(Float.MIN_VALUE),
-                db.toSelect("select i from dbtest where i=?").argFloat(Float.MIN_VALUE).queryFloatOrNull());
-
-        db.toInsert("insert into dbtest (i) values (?)").argFloat(Float.MAX_VALUE).insert(1);
-        assertEquals(Float.valueOf(Float.MAX_VALUE),
-                db.toSelect("select i from dbtest where i=?").argFloat(Float.MAX_VALUE).queryFloatOrNull());
-    }
-
-    @Test
-    public void argFloatNaN() {
-        new Schema().addTable("dbtest").addColumn("i").asFloat().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argFloat(Float.NaN).insert(1);
-        assertEquals(Float.valueOf(Float.NaN),
-                db.toSelect("select i from dbtest where i=?").argFloat(Float.NaN).queryFloatOrNull());
-    }
-
-    @Test
-    public void argFloatInfinity() {
-        new Schema().addTable("dbtest").addColumn("i").asFloat().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argFloat(Float.NEGATIVE_INFINITY).insert(1);
-        assertEquals(Float.valueOf(Float.NEGATIVE_INFINITY),
-                db.toSelect("select i from dbtest where i=?").argFloat(Float.NEGATIVE_INFINITY).queryFloatOrNull());
-
-        db.toInsert("insert into dbtest (i) values (?)").argFloat(Float.POSITIVE_INFINITY).insert(1);
-        assertEquals(Float.valueOf(Float.POSITIVE_INFINITY),
-                db.toSelect("select i from dbtest where i=?").argFloat(Float.POSITIVE_INFINITY).queryFloatOrNull());
-    }
-
-    @Test
-    public void argFloatZero() {
-        new Schema().addTable("dbtest").addColumn("i").asFloat().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argFloat(0f).insert(1);
-        assertEquals(Float.valueOf(0f),
-                db.toSelect("select i from dbtest where i=?").argFloat(0f).queryFloatOrNull());
-    }
-
-    @Test
-    public void argFloatNegativeZero() {
-        new Schema().addTable("dbtest").addColumn("i").asFloat().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argFloat(-0f).insert(1);
-        assertEquals(Float.valueOf(-0f),
-                db.toSelect("select i from dbtest where i=?").argFloat(-0f).queryFloatOrNull());
-    }
-
-    @Test
-    public void argDoubleMinMax() {
-        new Schema().addTable("dbtest").addColumn("i").asDouble().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argDouble(Double.MIN_VALUE).insert(1);
-        assertEquals(Double.valueOf(Double.MIN_VALUE),
-                db.toSelect("select i from dbtest where i=?").argDouble(Double.MIN_VALUE).queryDoubleOrNull());
-
-        db.toInsert("insert into dbtest (i) values (?)").argDouble(Double.MAX_VALUE).insert(1);
-        assertEquals(Double.valueOf(Double.MAX_VALUE),
-                db.toSelect("select i from dbtest where i=?").argDouble(Double.MAX_VALUE).queryDoubleOrNull());
-    }
-
-    @Test
-    public void argDoubleNaN() {
-        new Schema().addTable("dbtest").addColumn("i").asDouble().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argDouble(Double.NaN).insert(1);
-        assertEquals(Double.valueOf(Double.NaN),
-                db.toSelect("select i from dbtest where i=?").argDouble(Double.NaN).queryDoubleOrNull());
-    }
-
-    @Test
-    public void argDoubleInfinity() {
-        new Schema().addTable("dbtest").addColumn("i").asDouble().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argDouble(Double.NEGATIVE_INFINITY).insert(1);
-        assertEquals(Double.valueOf(Double.NEGATIVE_INFINITY),
-                db.toSelect("select i from dbtest where i=?").argDouble(Double.NEGATIVE_INFINITY).queryDoubleOrNull());
-
-        db.toInsert("insert into dbtest (i) values (?)").argDouble(Double.POSITIVE_INFINITY).insert(1);
-        assertEquals(Double.valueOf(Double.POSITIVE_INFINITY),
-                db.toSelect("select i from dbtest where i=?").argDouble(Double.POSITIVE_INFINITY).queryDoubleOrNull());
-    }
-
-    @Test
-    public void argDoubleZero() {
-        new Schema().addTable("dbtest").addColumn("i").asDouble().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argDouble(0d).insert(1);
-        assertEquals(Double.valueOf(0d),
-                db.toSelect("select i from dbtest where i=?").argDouble(0d).queryDoubleOrNull());
-    }
-
-    @Test
-    public void argDoubleNegativeZero() {
-        new Schema().addTable("dbtest").addColumn("i").asDouble().schema().execute(db);
-
-        db.toInsert("insert into dbtest (i) values (?)").argDouble(-0d).insert(1);
-        assertEquals(Double.valueOf(-0d),
-                db.toSelect("select i from dbtest where i=?").argDouble(-0d).queryDoubleOrNull());
-    }
-
-    @Test
-    public void argBigDecimal38Precision0() {
-        new Schema().addTable("dbtest").addColumn("i").asBigDecimal(38, 0).schema().execute(db);
-
-        BigDecimal value = new BigDecimal("99999999999999999999999999999999999999"); // 38 digits
-        db.toInsert("insert into dbtest (i) values (?)").argBigDecimal(value).insert(1);
-        assertEquals(value,
-                db.toSelect("select i from dbtest where i=?").argBigDecimal(value).queryBigDecimalOrNull());
-    }
-
-    @Test
-    public void argBigDecimal38Precision1() {
-        new Schema().addTable("dbtest").addColumn("i").asBigDecimal(38, 1).schema().execute(db);
-
-        BigDecimal value = new BigDecimal("9999999999999999999999999999999999999.9"); // 38 digits
-        db.toInsert("insert into dbtest (i) values (?)").argBigDecimal(value).insert(1);
-        assertEquals(value,
-                db.toSelect("select i from dbtest where i=?").argBigDecimal(value).queryBigDecimalOrNull());
-    }
-
-    @Test
-    public void argBigDecimal38Precision37() {
-        new Schema().addTable("dbtest").addColumn("i").asBigDecimal(38, 37).schema().execute(db);
-
-        BigDecimal value = new BigDecimal("9.9999999999999999999999999999999999999"); // 38 digits
-        db.toInsert("insert into dbtest (i) values (?)").argBigDecimal(value).insert(1);
-        assertEquals(value,
-                db.toSelect("select i from dbtest where i=?").argBigDecimal(value).queryBigDecimalOrNull());
-    }
-
-    @Test
-    public void argBigDecimal38Precision38() {
-        new Schema().addTable("dbtest").addColumn("i").asBigDecimal(38, 38).schema().execute(db);
-        BigDecimal value = new BigDecimal("0.99999999999999999999999999999999999999"); // 38 digits
-        db.toInsert("insert into dbtest (i) values (?)").argBigDecimal(value).insert(1);
-        logger.info(db.toSelect("select i from dbtest").queryBigDecimalOrNull().toString());
-        assertEquals(value,
-                db.toSelect("select i from dbtest where i=?").argBigDecimal(value).queryBigDecimalOrNull());
-    }
-
-    @Test
-    public void dropTableQuietly() {
-        db.dropTableQuietly("dbtest");
-        new Schema().addTable("dbtest").addColumn("pk").primaryKey().schema().execute(db);
-        db.dropTableQuietly("dbtest");
-        // Verify the quietly part really kicks in, since the table might have existed above
-        db.dropTableQuietly("dbtest");
-        new Schema().addTable("dbtest").addColumn("pk").primaryKey().schema().execute(db);
-    }
-
-    @Test
-    public void dropSequenceQuietly() {
-        db.dropSequenceQuietly("dbtest_seq");
-        // Verify the quietly part really kicks in, since the sequence might have existed above
-        db.dropSequenceQuietly("dbtest_seq");
-    }
-
-    @Test
-    public void insertReturningPkSeq() {
-        db.dropSequenceQuietly("dbtest_seq");
-
-        db.ddl("create table dbtest (pk numeric)").execute();
-        db.ddl("create sequence dbtest_seq start with 1").execute();
-
-        assertEquals(Long.valueOf(1L), db.toInsert("insert into dbtest (pk) values (:seq)")
-                .argPkSeq(":seq", "dbtest_seq").insertReturningPkSeq("pk"));
-        assertEquals(Long.valueOf(2L), db.toInsert("insert into dbtest (pk) values (:seq)")
-                .argPkSeq(":seq", "dbtest_seq").insertReturningPkSeq("pk"));
-    }
-
-    @Test
-    public void insertReturningAppDate() {
-        db.dropSequenceQuietly("dbtest_seq");
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("d")
-                .asLocalDateTime()
-                .table()
-                .schema()
-                .addSequence("dbtest_seq").schema()
-                .execute(db);
-        db.toInsert("insert into dbtest (pk, d) values (:seq, :d)")
-                .argPkSeq(":seq", "dbtest_seq")
-                .argLocalDateTime(":d", now)
-                .insertReturning("dbtest", "pk", rs -> {
-                    assertTrue(rs.next());
-                    assertEquals(Long.valueOf(1L), rs.getLongOrNull(1));
-                    assertThat(rs.getLocalDateTimeOrNull(2, ZoneId.systemDefault()), equalTo(now));
-                    assertFalse(rs.next());
-                    return null;
-                }, "d");
-        assertEquals(Long.valueOf(1L), db.toSelect("select count(*) from dbtest where d=?").argLocalDateTime(now).queryLongOrNull());
-    }
-
-    @Test
-    public void quickQueries() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("d").asLocalDateTime().table()
-                .addColumn("d2").asLocalDateTime().table()
-                .addColumn("d3").asLocalDate().table()
-                .addColumn("d4").asLocalDate().table()
-                .addColumn("s").asString(5).table()
-                .addColumn("s2").asString(5).table()
-                .addColumn("i").asInteger().table().schema()
-                .execute(db);
-        db.toInsert("insert into dbtest (pk, d, d3, s) values (?,?,?,?)")
-                .argLong(1L)
-                .argLocalDateTime(now)
-                .argLocalDate(localDateNow)
-                .argString("foo")
-                .insert(1);
-        assertEquals(Long.valueOf(1L), db.toSelect("select pk from dbtest").queryLongOrNull());
-        assertNull(db.toSelect("select pk from dbtest where 1=0").queryLongOrNull());
-        assertNull(db.toSelect("select i from dbtest").queryLongOrNull());
-        assertEquals(1L, db.toSelect("select pk from dbtest").queryLongOrZero());
-        assertEquals(0L, db.toSelect("select pk from dbtest where 1=0").queryLongOrZero());
-        assertEquals(0L, db.toSelect("select i from dbtest").queryLongOrZero());
-        assertEquals(1L, (long) db.toSelect("select pk from dbtest").queryLongs().get(0));
-        assertTrue(db.toSelect("select pk from dbtest where 1=0").queryLongs().isEmpty());
-        assertTrue(db.toSelect("select i from dbtest").queryLongs().isEmpty());
-        assertEquals(Integer.valueOf(1), db.toSelect("select pk from dbtest").queryIntegerOrNull());
-        assertNull(db.toSelect("select pk from dbtest where 1=0").queryIntegerOrNull());
-        assertNull(db.toSelect("select i from dbtest").queryIntegerOrNull());
-        assertEquals(1, db.toSelect("select pk from dbtest").queryIntegerOrZero());
-        assertEquals(0, db.toSelect("select pk from dbtest where 1=0").queryIntegerOrZero());
-        assertEquals(0, db.toSelect("select i from dbtest").queryIntegerOrZero());
-        assertEquals(1L, (int) db.toSelect("select pk from dbtest").queryIntegers().get(0));
-        assertTrue(db.toSelect("select pk from dbtest where 1=0").queryIntegers().isEmpty());
-        assertTrue(db.toSelect("select i from dbtest").queryIntegers().isEmpty());
-        assertEquals("foo", db.toSelect("select s from dbtest").queryStringOrNull());
-        assertNull(db.toSelect("select s from dbtest where 1=0").queryStringOrNull());
-        assertNull(db.toSelect("select s2 from dbtest").queryStringOrNull());
-        assertEquals("foo", db.toSelect("select s from dbtest").queryStringOrEmpty());
-        assertEquals("", db.toSelect("select s from dbtest where 1=0").queryStringOrEmpty());
-        assertEquals("", db.toSelect("select s2 from dbtest").queryStringOrEmpty());
-        assertEquals("foo", db.toSelect("select s from dbtest").queryStrings().get(0));
-        assertTrue(db.toSelect("select s from dbtest where 1=0").queryStrings().isEmpty());
-        assertTrue(db.toSelect("select s2 from dbtest").queryStrings().isEmpty());
-        assertEquals(now, db.toSelect("select d from dbtest").queryLocalDateTimeOrNull());
-        assertNull(db.toSelect("select d from dbtest where 1=0").queryLocalDateTimeOrNull());
-        assertNull(db.toSelect("select d2 from dbtest").queryLocalDateTimeOrNull());
-        assertEquals(db.toSelect("select d from dbtest").queryLocalDateTimes().get(0), now);
-        assertTrue(db.toSelect("select d from dbtest where 1=0").queryLocalDateTimes().isEmpty());
-        assertTrue(db.toSelect("select d2 from dbtest").queryLocalDateTimes().isEmpty());
-
-        assertEquals(localDateNow, db.toSelect("select d3 from dbtest").queryLocalDateOrNull());
-        assertNull(db.toSelect("select d3 from dbtest where 1=0").queryLocalDateOrNull());
-        assertEquals(db.toSelect("select d3 from dbtest").queryLocalDates().get(0), localDateNow);
-        assertEquals(Long.valueOf(1L),
-                db.toSelect("select count(*) from dbtest where d3=?").argLocalDate(localDateNow).queryLongOrNull());
-
-        assertNull(db.toSelect("select d4 from dbtest").queryLocalDateOrNull());
-        assertNull(db.toSelect("select d4 from dbtest where 1=0").queryLocalDateOrNull());
-        assertTrue(db.toSelect("select d4 from dbtest").queryLocalDates().isEmpty());
-    }
-
-    @Test
-    public void rowHandlerQueries() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().schema()
-                .execute(db);
-
-        db.toInsert("insert into dbtest (pk) values (?)").argLong(1L).insert(1);
-        db.toInsert("insert into dbtest (pk) values (?)").argLong(2L).insert(1);
-
-        RowHandler<Long> rowHandler = Row::getLongOrNull;
-
-        List<Long> many = db.toSelect("select pk from dbtest").queryMany(rowHandler);
-        assertEquals(2, many.size());
-
-        assertEquals(Long.valueOf(1), db.toSelect("select pk from dbtest where pk=1").queryOneOrNull(rowHandler));
-        assertNull(db.toSelect("select pk from dbtest where pk=9").queryOneOrNull(rowHandler));
-        try {
-            db.toSelect("select pk from dbtest").queryOneOrNull(rowHandler);
-            fail("Should have thrown an exception");
-        } catch (ConstraintViolationException e) {
-            assertEquals("Expected exactly one row to be returned but found multiple", e.getCause().getMessage());
-        }
-        try {
-            db.toSelect("select pk from dbtest where pk=9").queryOneOrThrow(rowHandler);
-            fail("Should have thrown an exception");
-        } catch (ConstraintViolationException e) {
-            assertEquals("Expected exactly one row to be returned but found none", e.getMessage());
-        }
-
-        assertEquals(Long.valueOf(1), db.toSelect("select pk from dbtest where pk=1").queryFirstOrNull(rowHandler));
-        assertEquals(Long.valueOf(1), db.toSelect("select pk from dbtest order by 1").queryFirstOrNull(rowHandler));
-        assertNull(db.toSelect("select pk from dbtest where pk=9").queryFirstOrNull(rowHandler));
-        try {
-            db.toSelect("select pk from dbtest where pk=9").queryFirstOrThrow(rowHandler);
-            fail("Should have thrown an exception");
-        } catch (ConstraintViolationException e) {
-            assertEquals("Expected one or more rows to be returned but found none", e.getMessage());
-        }
-    }
-
-    @Test
-    public void nextSequenceValue() {
-        db.dropSequenceQuietly("dbtest_seq");
-        new Schema()
-                .addSequence("dbtest_seq").schema()
-                .execute(db);
-
-        assertEquals(Long.valueOf(1L), db.nextSequenceValue("dbtest_seq"));
-    }
-
-    @Test
-    public void insertReturningDbDate() {
-        db.dropSequenceQuietly("dbtest_seq");
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("d").asLocalDateTime().table().schema()
-                .addSequence("dbtest_seq").schema()
-                .execute(db);
-        LocalDateTime dbNow = db.toInsert("insert into dbtest (pk, d) values (:seq, :d)")
-                .argPkSeq(":seq", "dbtest_seq")
-                .argLocalDateTimeNowPerDb(":d")
-                .insertReturning("dbtest", "pk", rs -> {
-                    assertTrue(rs.next());
-                    assertEquals(Long.valueOf(1L), rs.getLongOrNull(1));
-                    LocalDateTime dbDate = rs.getLocalDateTimeOrNull(2);
-                    assertFalse(rs.next());
-                    return dbDate;
-                }, "d");
-        assertEquals(Long.valueOf(1L),
-                db.toSelect("select count(*) from dbtest where d = ?").argLocalDateTime(dbNow).queryLongOrNull());
-    }
-
-    @Test
-    public void daylightSavings() {
-        LocalDate lastStdDateSpring = LocalDate.of(2019, Month.MARCH, 9);
-        LocalDate firstDSTDateSpring = LocalDate.of(2019, Month.MARCH, 10);
-        // Verify that the original LocalDate matches the driver SQL LocalDate generated.
-        StatementAdapter adaptor = new StatementAdapter(new OptionsDefault(db.flavor()));
-        assertEquals(lastStdDateSpring.toString(), adaptor.nullLocalDate(lastStdDateSpring).toString());
-        assertEquals(firstDSTDateSpring.toString(), adaptor.nullLocalDate(firstDSTDateSpring).toString());
-    }
-
-    @Test
-    public void insertLocalDate() {
-        // Date without time
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("d").asLocalDate().table().schema()
-                .execute(db);
-        LocalDate dateOfBirth = LocalDate.of(1951, Month.AUGUST, 9);
-        db.toInsert("insert into dbtest (d) values (?)")
-                .argLocalDate(dateOfBirth)
-                .insert(1);
-        LocalDate testDate = db.toSelect("select d from dbtest").queryLocalDateOrNull();
-        assertEquals(dateOfBirth, testDate);
-    }
-
-    @Test
-    public void localDateRoundTrip() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("d1").asLocalDate().table()
-                .addColumn("d2").asLocalDate().table().schema()
-                .execute(db);
-        // Store current time as per the database
-        db.toInsert("insert into dbtest (d1) values (?)")
-                .argLocalDate(localDateNow)
-                .insert(1);
-        // Now pull it out, put it back in, and verify it matches in the database
-        LocalDate queryRsDate = db.toSelect("select d1 from dbtest").queryLocalDateOrNull();
-        db.toUpdate("update dbtest set d2=?")
-                .argLocalDate(queryRsDate)
-                .update(1);
-        assertEquals(Long.valueOf(1L), db.toSelect("select count(*) from dbtest where d1=d2").queryLongOrNull());
-    }
-
-    /**
-     * Make sure database times are inserted with at least millisecond precision.
-     * This test is non-deterministic since it is checking the timestamp provided
-     * by the database, so we use a retry to give it up to ten attempts.
-     */
-    @Test
-    public void dateMillis() {
-        for (int attempts = 1; attempts <= 10; attempts++) {
-            new Schema()
-                    .addTable("dbtest")
-                    .addColumn("d").asLocalDateTime().table().schema()
-                    .execute(db);
-            db.toInsert("insert into dbtest (d) values (?)")
-                    .argLocalDateTimeNowPerDb()
-                    .insert(1);
-            LocalDateTime dbNow = db.toSelect("select d from dbtest").queryLocalDateTimeOrNull();
-            if (dbNow != null && dbNow.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli() % 10 != 0) {
-                return;
-            }
-            logger.info("Zero in least significant digit (attempt " + attempts + ")");
-            db.dropTableQuietly(TEST_TABLE_NAME);
-        }
-        fail("Timestamp had zero in the least significant digit");
-    }
-
-    @Test
-    public void dateRoundTrip() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("d1").asLocalDateTime().table()
-                .addColumn("d2").asLocalDateTime().table()
-                .schema()
-                .execute(db);
-        db.toInsert("insert into dbtest (d1) values (?)")
-                .argLocalDateTimeNowPerDb()
-                .insert(1);
-        LocalDateTime dbNow = db.toSelect("select d1 from dbtest").queryLocalDateTimeOrNull();
-        db.toUpdate("update dbtest set d2 = ?")
-                .argLocalDateTime(dbNow)
-                .update(1);
-        assertEquals(Long.valueOf(1L), db.toSelect("select count(*) from dbtest where d1=d2").queryLongOrNull());
-    }
-
-    @Test
-    public void dateRoundTripTimezones() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("d")
-                .asLocalDateTime()
-                .table()
-                .schema()
-                .execute(db);
-        Instant instant = Instant.ofEpochMilli(166656789L);
-        ZoneId dateMinusZone = ZoneId.ofOffset("GMT", ZoneOffset.ofHours(-4));
-        LocalDateTime dateMinus = LocalDateTime.ofInstant(instant, dateMinusZone);
-        ZoneId datePlusZone = ZoneId.ofOffset("GMT", ZoneOffset.ofHours(+4));
-        LocalDateTime datePlus = LocalDateTime.ofInstant(instant,datePlusZone);
-        logger.log(Level.INFO, "dateMinus = " + dateMinus);
-        db.toInsert("insert into dbtest (d) values (?)")
-                .argLocalDateTime(dateMinus)
-                .insert(1);
-        LocalDateTime localDateTimeMinus = db.toSelect("select d from dbtest")
-                .queryLocalDateTimeOrNull();
-        assertEquals(dateMinus, localDateTimeMinus);
-        assertEquals("1970-01-02 18:17:36.789",
-                DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS").format(localDateTimeMinus));
-        db.toDelete("delete from dbtest where d = ?").argLocalDateTime(dateMinus).update(1);
-        db.toInsert("insert into dbtest (d) values (?)")
-                .argLocalDateTime(datePlus)
-                .insert(1);
-        LocalDateTime localDateTimePlus = db.toSelect("select d from dbtest")
-                .queryLocalDateTimeOrNull(datePlusZone);
-        assertEquals(datePlus, localDateTimePlus);
-        assertEquals("1970-01-03 02:17:36.789",
-                DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS").format(localDateTimePlus));
-        db.toDelete("delete from dbtest where d = ?").argLocalDateTime(datePlus).update(1);
-    }
-
-    /**
-     * Verify the appropriate database flavor can correctly convert a {@code LocalDateTime}
-     * into a SQL function representing a conversion from string to timestamp. This
-     * function is used to write debug SQL to the log in a way that could be manually
-     * executed if desired.
-     */
-    @Test
-    public void stringLocalDateTimeFunctions() {
-        Instant instant = Instant.ofEpochMilli(166656789L);
-        ZoneId dateMinusZone = ZoneId.ofOffset("GMT", ZoneOffset.ofHours(-4));
-        LocalDateTime dateMinus = LocalDateTime.ofInstant(instant, dateMinusZone);
-        ZoneId datePlusZone = ZoneId.ofOffset("GMT", ZoneOffset.ofHours(+4));
-        LocalDateTime datePlus = LocalDateTime.ofInstant(instant, datePlusZone);
-        logger.info("LocalDateTime: dateMinus=" + dateMinus + " datePlus=" + datePlus);
-        new Schema().addTable("dbtest").addColumn("d")
-                .asLocalDateTime()
-                .schema()
-                .execute(db);
-        db.toInsert("insert into dbtest (d) values (?)")
-                .argLocalDateTime(dateMinus)
-                .insert(1);
-        LocalDateTime localDateTime = db.toSelect("select d from dbtest")
-                .queryLocalDateTimeOrNull();
-        assertEquals("1970-01-02 18:17:36.789",
-                DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS").format(localDateTime.atZone(dateMinusZone)));
-        db.toDelete("delete from dbtest where d = ?")
-                .argLocalDateTime(dateMinus)
-                .update(1);
-        db.toInsert("insert into dbtest (d) values (?)")
-                .argLocalDateTime(datePlus)
-                .insert(1);
-        localDateTime = db.toSelect("select d from dbtest")
-                .queryLocalDateTimeOrNull(datePlusZone);
-        assertEquals("1970-01-03 02:17:36.789",
-                DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS").format(localDateTime.atZone(datePlusZone)));
-        db.toDelete("delete from dbtest where d = ?")
-                .argLocalDateTime(datePlus)
-                .update(1);
-    }
-
-    @Test
-    public void mixPositionalAndNamedParameters() {
-        new Schema()
-                .addTable("dbtest")
-                .addColumn("pk").primaryKey().table()
-                .addColumn("d").asLocalDateTime().table()
-                .addColumn("a").asInteger().table().schema()
-                .execute(db);
-
-        db.toSelect("select pk as \"time:: now??\" from dbtest where a=? and d=:now")
-                .argInteger(1).argLocalDateTimeNowPerDb("now").query(rs -> {
-                    assertFalse(rs.next());
-                    return null;
-                });
-    }
-
-    public String readerToString(Reader reader) throws IOException {
-        char[] buffer = new char[1024];
-        StringBuilder out = new StringBuilder();
-        int byteCount;
-        while ((byteCount = reader.read(buffer, 0, buffer.length)) >= 0) {
-            out.append(buffer, 0, byteCount);
-        }
-        return out.toString();
-    }
-
-    public byte[] inputStreamToString(InputStream inputStream) throws IOException {
-        byte[] buffer = new byte[1024];
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        int byteCount;
-        while ((byteCount = inputStream.read(buffer, 0, buffer.length)) >= 0) {
-            out.write(buffer, 0, byteCount);
-        }
-        return out.toByteArray();
-    }
-}
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java
index 1ea67e6..5759110 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/DerbyTest.java
@@ -6,6 +6,7 @@ import org.junit.jupiter.api.Test;
 import org.xbib.jdbc.query.DatabaseProvider;
 import org.xbib.jdbc.query.OptionsOverride;
 import org.xbib.jdbc.query.Schema;
+import org.xbib.jdbc.test.CommonTest;
 
 import java.math.BigDecimal;
 import java.util.logging.Logger;
@@ -15,7 +16,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 /**
  * Exercise Database functionality with a real database (Derby).
  */
-@Disabled
+@Disabled("Derby 10.16.1.1 does not conform to JDBC 4.2 with getObject(... LocalDatetime.class) https://chariotsolutions.com/blog/post/using-java-time-resultset-preparedstatement/")
 public class DerbyTest extends CommonTest {
 
     private static final Logger logger = Logger.getLogger(DerbyTest.class.getName());
@@ -26,12 +27,10 @@ public class DerbyTest extends CommonTest {
 
     @Override
     protected DatabaseProvider createDatabaseProvider(OptionsOverride options) {
-        return DatabaseProvider.builder("jdbc:derby:build/testdb;create=true")
+        return DatabaseProvider.builder(getClass().getClassLoader(), "jdbc:derby:build/testdb;create=true")
                 .withSqlParameterLogging().withSqlInExceptionMessages().withOptions(options).build();
     }
 
-    // TODO fix this test
-    @Disabled("Not sure why this fails on the build servers right now...")
     @Test
     public void clockSync() {
         super.clockSync();
@@ -79,7 +78,6 @@ public class DerbyTest extends CommonTest {
         super.intervals();
     }
 
-
     @Disabled("Derby limits out at precision 31")
     @Test
     public void argBigDecimal38Precision0() {
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java
index 1381be4..73b565e 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/HsqldbTest.java
@@ -10,6 +10,7 @@ import org.xbib.jdbc.query.OptionsOverride;
 import org.xbib.jdbc.query.Schema;
 import org.xbib.jdbc.query.Sql;
 import org.xbib.jdbc.query.SqlArgs;
+import org.xbib.jdbc.test.CommonTest;
 
 import java.math.BigDecimal;
 import java.util.ArrayList;
@@ -38,25 +39,6 @@ public class HsqldbTest extends CommonTest {
                 .build();
     }
 
-    @Test
-    public void noDatabaseAccess() throws Exception {
-        DatabaseProvider provider = createDatabaseProvider(new OptionsOverride());
-        provider.transact(dbp -> {
-            // Do nothing, just making sure no exception is thrown
-        });
-        provider.transact((dbp, tx) -> {
-            // Do nothing, just making sure no exception is thrown
-        });
-        provider.transact((dbp, tx) -> {
-            tx.setRollbackOnError(true);
-            // Do nothing, just making sure no exception is thrown
-        });
-        provider.transact((dbp, tx) -> {
-            tx.setRollbackOnly(true);
-            // Do nothing, just making sure no exception is thrown
-        });
-    }
-
     @Disabled("LocalDate implementations should be TimeZone agnostic, but HSQLDB implementation has a bug.")
     @Test
     public void argLocalDateTimeZones() {
@@ -85,7 +67,6 @@ public class HsqldbTest extends CommonTest {
                 .addColumn("boolean_flag").asBoolean().table()
                 .addColumn("date_millis").asLocalDateTime().table()
                 .addColumn("local_date").asLocalDate().schema().execute(db);
-
         db.toInsert("insert into dbtest (nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar,"
                         + " str_fixed, str_lob, bin_blob, boolean_flag, date_millis, local_date) values (?,?,?,?,?,?,?,?,?,?,?,?)")
                 .argInteger(Integer.MAX_VALUE)
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java
index fb09d69..d3bcdd5 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/DerbyExample.java
@@ -2,6 +2,7 @@ package org.xbib.jdbc.query.test.example;
 
 import org.xbib.jdbc.query.Database;
 import org.xbib.jdbc.query.DatabaseProvider;
+import org.xbib.jdbc.query.DatabaseProviderBuilder;
 
 /**
  * Demo of using some com.github.susom.database classes with Derby.
@@ -12,7 +13,7 @@ public abstract class DerbyExample {
         // For subclasses to override
     }
 
-    void example(DatabaseProvider.DatabaseProviderBuilder dbb, final String[] args) {
+    void example(DatabaseProviderBuilder dbb, final String[] args) {
         dbb.transact(db -> {
             example(db.get(), args);
         });
@@ -26,7 +27,7 @@ public abstract class DerbyExample {
         try {
             System.setProperty("derby.stream.error.file", "java.lang.System.err");
             String url = "jdbc:derby:target/testdb;create=true";
-            example(DatabaseProvider.builder(url), args);
+            example(DatabaseProvider.builder(getClass().getClassLoader(), url), args);
         } catch (Exception e) {
             e.printStackTrace();
             System.exit(1);
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloAny.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloAny.java
deleted file mode 100644
index b9144df..0000000
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloAny.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package org.xbib.jdbc.query.test.example;
-
-import org.xbib.jdbc.query.Database;
-import org.xbib.jdbc.query.DatabaseProvider;
-
-/**
- * Example with database info provided from command line. To use this, set properties like this:
- * <br/>
- * <pre>
- *   -Ddatabase.url=...      Database connect string (required)
- *   -Ddatabase.user=...     Authenticate as this user (optional if provided in url)
- *   -Ddatabase.password=... User password (optional if user and password provided in
- *                           url; prompted on standard input if user is provided and
- *                           password is not)
- *   -Ddatabase.flavor=...   What kind of database it is (optional, will guess based
- *                           on the url if this is not provided)
- *   -Ddatabase.driver=...   The Java class of the JDBC driver to load (optional, will
- *                           guess based on the flavor if this is not provided)
- * </pre>
- */
-public class HelloAny {
-    public static void main(final String[] args) {
-        try {
-            new HelloAny().run();
-        } catch (Exception e) {
-            e.printStackTrace();
-            System.exit(1);
-        }
-    }
-
-    public void run() {
-        DatabaseProvider.fromSystemProperties().transact(dbp -> {
-            Database db = dbp.get();
-            db.dropTableQuietly("t");
-            db.ddl("create table t (a numeric)").execute();
-            db.toInsert("insert into t (a) values (?)")
-                    .argInteger(32)
-                    .insert(1);
-            db.toUpdate("update t set a=:val")
-                    .argInteger("val", 23)
-                    .update(1);
-
-            Long rows = db.toSelect("select count(1) from t ").queryLongOrNull();
-            System.out.println("Rows: " + rows);
-        });
-    }
-}
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java
index d7bbf90..e547668 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java
+++ b/jdbc-query/src/test/java/org/xbib/jdbc/query/test/example/HelloDerby.java
@@ -5,9 +5,6 @@ import org.xbib.jdbc.query.DatabaseProvider;
 
 import java.io.File;
 
-/**
- * Demo of using some com.github.susom.database classes with Derby.
- */
 public class HelloDerby {
     public static void main(final String[] args) {
         try {
@@ -19,14 +16,12 @@ public class HelloDerby {
     }
 
     public void run() {
-        // Put all Derby related files inside ./build to keep our working copy clean
-        File directory = new File("target").getAbsoluteFile();
+        File directory = new File("build").getAbsoluteFile();
         if (directory.exists() || directory.mkdirs()) {
             System.setProperty("derby.stream.error.file", new File(directory, "derby.log").getAbsolutePath());
         }
-
         String url = "jdbc:derby:target/testdb;create=true";
-        DatabaseProvider.builder(url).transact(dbp -> {
+        DatabaseProvider.builder(getClass().getClassLoader(), url).transact(dbp -> {
             Database db = dbp.get();
             db.ddl("drop table t").executeQuietly();
             db.ddl("create table t (a numeric)").execute();
diff --git a/jdbc-sqlserver/build.gradle b/jdbc-sqlserver/build.gradle
new file mode 100644
index 0000000..4574a9f
--- /dev/null
+++ b/jdbc-sqlserver/build.gradle
@@ -0,0 +1,10 @@
+dependencies {
+    api project(':jdbc-query')
+    testImplementation project(':jdbc-test')
+    testImplementation libs.testcontainers
+    testImplementation libs.testcontainers.junit.jupiter
+}
+
+test {
+    systemProperty 'user.timezone', 'GMT'
+}
diff --git a/jdbc-sqlserver/src/main/java/module-info.java b/jdbc-sqlserver/src/main/java/module-info.java
new file mode 100644
index 0000000..e3555d2
--- /dev/null
+++ b/jdbc-sqlserver/src/main/java/module-info.java
@@ -0,0 +1,10 @@
+import org.xbib.jdbc.query.Flavor;
+import org.xbib.jdbc.sqlserver.SqlServer;
+
+module org.xbib.jdbc.sqlserver {
+    requires org.xbib.jdbc.query;
+    requires java.sql;
+    uses Flavor;
+    exports org.xbib.jdbc.sqlserver;
+    provides Flavor with SqlServer;
+}
diff --git a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/SqlServer.java b/jdbc-sqlserver/src/main/java/org/xbib/jdbc/sqlserver/SqlServer.java
similarity index 88%
rename from jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/SqlServer.java
rename to jdbc-sqlserver/src/main/java/org/xbib/jdbc/sqlserver/SqlServer.java
index ff98110..3d555a8 100644
--- a/jdbc-query/src/main/java/org/xbib/jdbc/query/flavor/SqlServer.java
+++ b/jdbc-sqlserver/src/main/java/org/xbib/jdbc/sqlserver/SqlServer.java
@@ -1,4 +1,4 @@
-package org.xbib.jdbc.query.flavor;
+package org.xbib.jdbc.sqlserver;
 
 import org.xbib.jdbc.query.Flavor;
 
@@ -7,6 +7,9 @@ import java.sql.SQLException;
 
 public class SqlServer implements Flavor {
 
+    public SqlServer() {
+    }
+
     @Override
     public String getName() {
         return "sqlServer";
@@ -23,8 +26,16 @@ public class SqlServer implements Flavor {
     }
 
     @Override
-    public boolean isNormalizedUpperCase() {
-        return false;
+    public String normalizeTableName(String tableName) {
+        if (tableName == null) {
+            return tableName;
+        }
+        if (tableName.length() > 2) {
+            if (tableName.startsWith("\"") && tableName.endsWith("\"")) {
+                return tableName.substring(1, tableName.length() - 1);
+            }
+        }
+        return tableName;
     }
 
     @Override
@@ -72,6 +83,11 @@ public class SqlServer implements Flavor {
         return "datetime2(3)";
     }
 
+    @Override
+    public String columnTypeLocalDateTime() {
+        return "datetime2";
+    }
+
     @Override
     public String typeLocalDate() {
         return "date";
diff --git a/jdbc-sqlserver/src/main/resources/META-INF/services/org.xbib.jdbc.query.Flavor b/jdbc-sqlserver/src/main/resources/META-INF/services/org.xbib.jdbc.query.Flavor
new file mode 100644
index 0000000..a1e1dec
--- /dev/null
+++ b/jdbc-sqlserver/src/main/resources/META-INF/services/org.xbib.jdbc.query.Flavor
@@ -0,0 +1 @@
+org.xbib.jdbc.sqlserver.SqlServer
\ No newline at end of file
diff --git a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/SqlServerTest.java b/jdbc-sqlserver/src/test/java/org/xbib/jdbc/sqlserver/test/SqlServerTest.java
similarity index 97%
rename from jdbc-query/src/test/java/org/xbib/jdbc/query/test/SqlServerTest.java
rename to jdbc-sqlserver/src/test/java/org/xbib/jdbc/sqlserver/test/SqlServerTest.java
index a21c163..a8e28d9 100644
--- a/jdbc-query/src/test/java/org/xbib/jdbc/query/test/SqlServerTest.java
+++ b/jdbc-sqlserver/src/test/java/org/xbib/jdbc/sqlserver/test/SqlServerTest.java
@@ -1,4 +1,4 @@
-package org.xbib.jdbc.query.test;
+package org.xbib.jdbc.sqlserver.test;
 
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
@@ -7,6 +7,7 @@ import org.xbib.jdbc.query.ConfigSupplier;
 import org.xbib.jdbc.query.DatabaseProvider;
 import org.xbib.jdbc.query.OptionsOverride;
 import org.xbib.jdbc.query.Schema;
+import org.xbib.jdbc.test.CommonTest;
 
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 
@@ -77,9 +78,7 @@ public class SqlServerTest extends CommonTest {
     @Test
     public void metadataColumnNames() {
         db.dropTableQuietly("dbtest");
-
         new Schema().addTable("dbtest").addColumn("pk").primaryKey().schema().execute(db);
-
         db.toSelect("select Pk, Pk as Foo, Pk as \"Foo\" from dbtest").query(rs -> {
             assertArrayEquals(new String[]{"Pk", "Foo", "Foo"}, rs.getColumnLabels());
             return null;
diff --git a/jdbc-sqlserver/src/test/resources/logging.properties b/jdbc-sqlserver/src/test/resources/logging.properties
new file mode 100644
index 0000000..5885e4d
--- /dev/null
+++ b/jdbc-sqlserver/src/test/resources/logging.properties
@@ -0,0 +1,10 @@
+handlers=java.util.logging.FileHandler, java.util.logging.ConsoleHandler
+.level=ALL
+java.util.logging.SimpleFormatter.format=%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS.%1$tL %4$-7s [%3$s] %5$s %6$s%n
+java.util.logging.ConsoleHandler.level=ALL
+java.util.logging.ConsoleHandler.formatter=java.util.logging.SimpleFormatter
+java.util.logging.FileHandler.level=ALL
+java.util.logging.FileHandler.formatter=java.util.logging.SimpleFormatter
+java.util.logging.FileHandler.pattern=build/database.log
+jdk.event.security.level=INFO
+javax.management.level=INFO
diff --git a/jdbc-test/src/main/java/org/xbib/jdbc/test/CommonTest.java b/jdbc-test/src/main/java/org/xbib/jdbc/test/CommonTest.java
index 4748633..4db005d 100644
--- a/jdbc-test/src/main/java/org/xbib/jdbc/test/CommonTest.java
+++ b/jdbc-test/src/main/java/org/xbib/jdbc/test/CommonTest.java
@@ -36,6 +36,7 @@ import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Locale;
 import java.util.TimeZone;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -86,6 +87,13 @@ public abstract class CommonTest {
         }
     }
 
+    @Test
+    public void testJdbcVersion() {
+        // we want JDBC >= 4.2
+        assertEquals(4, db.jdbcMajorVersion());
+        assertTrue(db.jdbcMinorVersion() >= 2);
+    }
+
     @Test
     public void tableExists() {
         // Verify dbtest table does not exist
@@ -111,22 +119,13 @@ public abstract class CommonTest {
 
     @Test
     public void normalizeTableName() {
-        // Verify that null and empty cases are handled gracefully
-        assertNull(db.normalizeTableName(null));
-        assertEquals("", db.normalizeTableName(""));
-
-        // Verify a quoted table name is returned in exactly the same case, with quotes removed.
+        assertNull(db.flavor().normalizeTableName(null));
+        assertEquals("", db.flavor().normalizeTableName(""));
         String camelCaseTableName = "\"DbTest\"";
         assertEquals(camelCaseTableName.substring(1, camelCaseTableName.length() - 1),
-                db.normalizeTableName(camelCaseTableName));
-
-        // Verify that the database flavor gets the expected normalized case
-        boolean isUpperCase = db.flavor().isNormalizedUpperCase();
-        if (isUpperCase) {
-            assertEquals(TEST_TABLE_NAME.toUpperCase(), db.normalizeTableName(TEST_TABLE_NAME));
-        } else {
-            assertEquals(TEST_TABLE_NAME.toLowerCase(), db.normalizeTableName(TEST_TABLE_NAME));
-        }
+                db.flavor().normalizeTableName(camelCaseTableName));
+        assertEquals(TEST_TABLE_NAME.toUpperCase(Locale.ENGLISH),
+                db.flavor().normalizeTableName(TEST_TABLE_NAME).toUpperCase(Locale.ENGLISH));
     }
 
     @Test
@@ -144,12 +143,10 @@ public abstract class CommonTest {
                 .addColumn("bin_blob").asBlob().table()
                 .addColumn("date_millis").asLocalDateTime().table()
                 .addColumn("local_date").asLocalDate().table().schema().execute(db);
-
         BigDecimal bigDecimal = new BigDecimal("5.3");
         db.toInsert("insert into dbtest values (?,?,?,?,?,?,?,?,?,?,?)").argInteger(1).argLong(2L).argFloat(3.2f).argDouble(4.2)
                 .argBigDecimal(bigDecimal).argString("Hello").argString("T").argClobString("World")
                 .argBlobBytes("More".getBytes()).argLocalDateTime(now).argLocalDate(localDateNow).insert(1);
-
         db.toSelect("select nbr_integer, nbr_long, nbr_float, nbr_double, nbr_big_decimal, str_varchar, str_fixed, str_lob, "
                         + "bin_blob, date_millis, local_date from dbtest")
                 .query((RowsHandler<Void>) rs -> {
@@ -594,20 +591,15 @@ public abstract class CommonTest {
         new Schema()
                 .addTable("dbtest")
                 .addColumn(timestampColumnName).asLocalDateTime().table()
-                .addColumn(dateColumnName).asLocalDate().table().schema().execute(db);
+                .addColumn(dateColumnName).asLocalDate().table()
+                .schema().execute(db);
         db.toSelect("select * from dbtest").query((RowsHandler<Void>) rs -> {
             ResultSetMetaData metadata = rs.getMetadata();
             for (int i = 1; i <= metadata.getColumnCount(); i++) {
                 String columnName = metadata.getColumnName(i);
                 String columnType = metadata.getColumnTypeName(i);
                 if (columnName.equalsIgnoreCase(timestampColumnName)) {
-                    if ("sqlserver".equals(db.flavor().getName())) {
-                        assertEquals("DATETIME2", columnType.toUpperCase());
-                    } else if ("hsqldb".equals(db.flavor().getName())) {
-                        assertEquals("TIMESTAMP WITH TIME ZONE", columnType.toUpperCase());
-                    } else {
-                        assertEquals("TIMESTAMP", columnType.toUpperCase());
-                    }
+                    assertEquals(db.flavor().columnTypeLocalDateTime(), columnType);
                 } else if (columnName.equalsIgnoreCase(dateColumnName)) {
                     assertEquals("DATE", columnType.toUpperCase());
                 } else {
diff --git a/settings.gradle b/settings.gradle
index 112d795..613d067 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -31,3 +31,4 @@ include 'jdbc-test'
 include 'jdbc-mariadb'
 include 'jdbc-oracle'
 include 'jdbc-postgresql'
+include 'jdbc-sqlserver'