public function testSubSubSelect()
{
$name = 'IBM';
$name2 = 'company';
$q = new ezcQuerySelect(ezcDbInstance::get());
$q->expr->setValuesQuoting(false);
// subselect
$q2 = $q->subSelect();
// sub subselect
$q3 = $q2->subSelect();
$q3->expr->setValuesQuoting(false);
$q3->select('*')->from('query_test2')->where($q3->expr->in('company', 'IBM', 'eZ systems'));
// bind values
$q2->select('company')->from('query_test')->where($q2->expr->eq('company', $q2->bindParam($name)), ' id > 2 ');
$q->select('*')->from('query_test')->where(' id >= 1 ', $q->expr->in('company', $q2->getQuery()))->orderBy('id');
$stmt = $q->prepare();
$stmt->execute();
$result = $stmt->fetchAll();
$this->assertEquals('IBM', $result[0]['company']);
$this->assertEquals('Norway', $result[0]['section']);
$this->assertEquals('IBM', $result[1]['company']);
$this->assertEquals('Germany', $result[1]['section']);
}
<?php
require_once __DIR__ . '/tutorial_example_01.php';
$name = 'IBM';
$q = new ezcQuerySelect(ezcDbInstance::get());
// Creating subselect object
$q2 = $q->subSelect();
// $q2 will build the subquery "SELECT company FROM query_test WHERE
// company = :ezcValue1 AND id > 2". This query will be used inside the SQL for
// $q.
$q2->select('company')->from('query_test')->where($q2->expr->eq('company', $q2->bindParam($name)), 'id > 2');
// $q the resulting query. It produces the following SQL:
// SELECT * FROM query_test
// WHERE id >= 1 AND
// company IN ( (
// SELECT company FROM query_test
// WHERE company = :ezcValue1 AND id > 2
// ) )
$q->select('*')->from('query_test')->where(' id >= 1 ', $q->expr->in('company', $q2));
$stmt = $q->prepare();
echo $stmt->queryString;
//$stmt->execute();
