String dialect = ((SessionImpl)session).getFactory().getDialect()
.getClass().getName();
if (dialect.equals("org.hibernate.dialect.MySQLDialect")) {
dbTableHandle = new DbTableMysqlHandleImpl();
}else if (dialect.contains("Oracle")) {
dbTableHandle = new DbTableOracleHandleImpl();
}else if (dialect.equals("org.hibernate.dialect.PostgreSQLDialect")) {
dbTableHandle = new DbTablePostgresHandleImpl();
}else if (dialect.equals("org.hibernate.dialect.SQLServerDialect")) {
dbTableHandle = new TableSQLServerHandleImpl();
}