private void TestSmallInsert(DBRunner runner, ISQLExecuter executer, ISQL builder, DBDatabase db, DBTable table, IConnectionInfo connInfo)
        {
            Output("TestSmallInsert:");
            Output("");

            try
            {
                DBConnection conn = runner.OpenConnection(executer, db, connInfo);

                try
                {
                    Output("Insert single row");
                    Stmt_Insert stmtInsert = new Stmt_Insert(table);
                    stmtInsert.AddColumns("uiNoegle", "iTal", "lStortTal", "dtDato", "bValg");
                    stmtInsert.AddValues(Guid.NewGuid(), 87, (long)2394287487, DateTime.Now, false);
                    Output(builder.ToSQL(stmtInsert));
                    runner.Insert(executer, conn, stmtInsert);
                    Output("Row inserted");
                }
                finally
                {
                    conn.Close();
                }
            }
            catch (Exception ex)
            {
                Output("TestSmallInsert failed with an exception:");
                Output(ex);
            }
            finally
            {
                Output("");
                Output("");
            }
        }
        private void TestUnion(DBRunner runner, ISQLExecuter executer, ISQL builder, DBDatabase db, DBTable table1, DBTable table2, IConnectionInfo connInfo)
        {
            Output("TestUnion:");
            Output("");

            try
            {
                DBConnection conn = runner.OpenConnection(executer, db, connInfo);

                try
                {
                    Output("Insert more test rows");
                    Stmt_Insert stmtInsert = new Stmt_Insert(table1);
                    stmtInsert.AddColumns("uiNoegle", "txTekst", "iTal", "lStortTal", "dtDato", "bValg");
                    stmtInsert.AddValues(Guid.NewGuid(), "Giv mig en bog!", 123, (long)213142566, DateTime.Now, true);
                    Output(builder.ToSQL(stmtInsert));
                    runner.Insert(executer, conn, stmtInsert);
                    Output("Rows inserted");
                    Output("");

                    ShowContents(runner, executer, conn, table1);
                    Output("");
                    ShowContents(runner, executer, conn, table2);
                    Output("");

                    Stmt_Select stmtSelect1 = new Stmt_Select();
                    stmtSelect1.AddColumns(table1, "uiNoegle", "txTekst", "iTal", "lStortTal");

                    Stmt_Select stmtSelect2 = new Stmt_Select();
                    stmtSelect2.AddColumns(table2, "uiNoegle", "txTekst", "iTal", "lStortTal");

                    Stmt_Select stmtUnion = new Stmt_Select();
                    stmtUnion.AddColumns(table1, "uiNoegle", "txTekst", "iTal", "lStortTal");
                    stmtUnion.AddUnion(stmtSelect1);
                    stmtUnion.AddUnion(stmtSelect2);
                    stmtUnion.AddSort(table1, "iTal", Order.Ascending);
                    Output(builder.ToSQL(stmtUnion));
                    ShowContents(stmtUnion, runner, executer, conn);
                }
                finally
                {
                    conn.Close();
                }
            }
            catch (Exception ex)
            {
                Output("TestUpdate failed with an exception:");
                Output(ex);
            }
            finally
            {
                Output("");
                Output("");
            }
        }
        private void TestFunctions(DBRunner runner, ISQLExecuter executer, ISQL builder, DBDatabase db, DBTable table, IConnectionInfo connInfo)
        {
            Output("TestFunctions:");
            Output("");

            try
            {
                DBConnection conn = runner.OpenConnection(executer, db, connInfo);

                try
                {
                    Output("Insert single row");
                    Stmt_Insert stmtInsert = new Stmt_Insert(table);
                    stmtInsert.AddColumns("uiNoegle", "iTal", "lStortTal", "dtDato", "bValg");
                    stmtInsert.AddValues(Guid.NewGuid(), 87, (long)2394287487, DateTime.Now, false);
                    Output(builder.ToSQL(stmtInsert));
                    runner.Insert(executer, conn, stmtInsert);

                    stmtInsert = new Stmt_Insert(table);
                    stmtInsert.AddColumns("uiNoegle", "txTekst", "iTal", "lStortTal", "dtDato", "bValg");
                    stmtInsert.AddValues(Guid.NewGuid(), "Blåbærgrød", 87, (long)2394287487, DateTime.Now, false);
                    Output(builder.ToSQL(stmtInsert));
                    runner.Insert(executer, conn, stmtInsert);
                    Output("Rows inserted");
                    Output("");

                    ShowContents(runner, executer, conn, table);
                    Output("");

                    Stmt_Select stmtSelect = new Stmt_Select();
                    stmtSelect.AddTable(table);
                    IFunction func = new Func_SubString(table, "txTekst", 3, 8);
                    stmtSelect.AddFunction(new Func_SubString(func, 0, 2));
                    Output(builder.ToSQL(stmtSelect));
                    ShowContents(stmtSelect, runner, executer, conn);
                    Output("");

                    stmtSelect = new Stmt_Select();
                    stmtSelect.AddTable(table);
                    stmtSelect.AddFunction(new Func_ToLower(table, "txTekst"));
                    Output(builder.ToSQL(stmtSelect));
                    ShowContents(stmtSelect, runner, executer, conn);
                    Output("");

                    stmtSelect = new Stmt_Select();
                    stmtSelect.AddTable(table);
                    stmtSelect.AddFunction(new Func_ToUpper(table, "txTekst"));
                    Output(builder.ToSQL(stmtSelect));
                    ShowContents(stmtSelect, runner, executer, conn);
                }
                finally
                {
                    conn.Close();
                }
            }
            catch (Exception ex)
            {
                Output("TestUpdate failed with an exception:");
                Output(ex);
            }
            finally
            {
                Output("");
                Output("");
            }
        }
        private void TestTransactions(DBRunner runner, ISQLExecuter executer, DBDatabase db, DBTable table, IConnectionInfo connInfo)
        {
            Output("TestTransactions:");
            Output("");

            try
            {
                DBConnection conn = runner.OpenConnection(executer, db, connInfo);

                try
                {
                    Stmt_Insert stmtInsert;
                    Stmt_Select stmtSelect;
                    long        result;

                    Output("Begin transaction");
                    DBTransaction trans = runner.CreateTransaction(executer);
                    trans.Begin(conn);

                    try
                    {
                        Output("Insert row");
                        stmtInsert = new Stmt_Insert(table);
                        stmtInsert.AddColumns("uiNoegle", "iTal", "lStortTal", "dtDato", "bValg");
                        stmtInsert.AddValues(Guid.NewGuid(), 87, (long)2394287487, DateTime.Now, false);
                        runner.Insert(executer, conn, stmtInsert);

                        stmtSelect = new Stmt_Select();
                        stmtSelect.AddTable(table);
                        stmtSelect.AddAggregate(new Aggre_Count());
                        result = runner.SelectWithSingleAggregate(executer, conn, stmtSelect);
                        Output("Count: " + result + " / 1");

                        Output("Rollback");
                        trans.RollbackAll();
                    }
                    catch (Exception)
                    {
                        trans.RollbackAll();
                        throw;
                    }

                    stmtSelect = new Stmt_Select();
                    stmtSelect.AddTable(table);
                    stmtSelect.AddAggregate(new Aggre_Count());
                    result = runner.SelectWithSingleAggregate(executer, conn, stmtSelect);
                    Output("Count: " + result + " / 0");
                    Output("");

                    Output("Begin new transaction");
                    trans = runner.CreateTransaction(executer);
                    trans.Begin(conn);

                    try
                    {
                        Output("Insert row");
                        stmtInsert = new Stmt_Insert(table);
                        stmtInsert.AddColumns("uiNoegle", "iTal", "lStortTal", "dtDato", "bValg");
                        stmtInsert.AddValues(Guid.NewGuid(), 87, (long)2394287487, DateTime.Now, false);
                        runner.Insert(executer, conn, stmtInsert);

                        stmtSelect = new Stmt_Select();
                        stmtSelect.AddTable(table);
                        stmtSelect.AddAggregate(new Aggre_Count());
                        result = runner.SelectWithSingleAggregate(executer, conn, stmtSelect);
                        Output("Count: " + result + " / 1");

                        Output("Commit");
                        trans.CommitAll();
                    }
                    catch (Exception)
                    {
                        trans.RollbackAll();
                        throw;
                    }

                    stmtSelect = new Stmt_Select();
                    stmtSelect.AddTable(table);
                    stmtSelect.AddAggregate(new Aggre_Count());
                    result = runner.SelectWithSingleAggregate(executer, conn, stmtSelect);
                    Output("Count: " + result + " / 1");
                }
                finally
                {
                    conn.Close();
                }
            }
            catch (Exception ex)
            {
                Output("TestTransactions failed with an exception:");
                Output(ex);
            }
            finally
            {
                Output("");
                Output("");
            }
        }