loadFile(__DIR__ . "/data/$config[system].sql"); // fetch a single value $res = $conn->select('title')->from('products')->orderBy('product_id'); Assert::equal('Chair', $res->fetchSingle()); // fetch complete result set $res = $conn->select('*')->from('products')->orderBy('product_id'); Assert::equal([ new Row(['product_id' => num(1), 'title' => 'Chair']), new Row(['product_id' => num(2), 'title' => 'Table']), new Row(['product_id' => num(3), 'title' => 'Computer']), ], $res->fetchAll()); // more complex association array if (!in_array($config['system'], ['odbc', 'sqlsrv'], true)) { $res = $conn->select(['products.title' => 'title', 'customers.name' => 'name'])->select('orders.amount')->as('amount') ->from('products') ->innerJoin('orders')->using('(product_id)') ->innerJoin('customers')->using('([customer_id])') ->orderBy('order_id'); Assert::equal([ 'Arnold Rimmer' => [ 'Chair' => new Row(['title' => 'Chair', 'name' => 'Arnold Rimmer', 'amount' => num(7.0)]), 'Computer' => new Row(['title' => 'Computer', 'name' => 'Arnold Rimmer', 'amount' => num(2.0)]), ], 'Dave Lister' => [ 'Table' => new Row(['title' => 'Table', 'name' => 'Dave Lister', 'amount' => num(3.0)]), ], 'Kristine Kochanski' => [ 'Computer' => new Row(['title' => 'Computer', 'name' => 'Kristine Kochanski', 'amount' => num(5.0)]), ], ], $res->fetchAssoc('name,title')); } // affected rows $res = $conn->update('products', ['title' => 'new'])->execute(); Assert::same(3, $res->getRowCount()); Assert::same(0, $res->getColumnCount()); Assert::same(3, $conn->getAffectedRows());