/**
* Test that "_SortColumn0" is added for an aggregate in the ORDER BY
* clause, in combination with a LIMIT and GROUP BY clause.
* For some databases, like MSSQL, this is a complicated scenario
* because a subselect needs to be done to query paginated data.
*/
public function testOrderByContainingAggregateAndLimitOffset()
{
$query = new SQLSelect();
$query->setSelect(array('"Name"', '"Meta"'));
$query->setFrom('"SQLSelectTest_DO"');
$query->setOrderBy(array('MAX("Date")'));
$query->setGroupBy(array('"Name"', '"Meta"'));
$query->setLimit('1', '1');
$records = array();
foreach ($query->execute() as $record) {
$records[] = $record;
}
$this->assertCount(1, $records);
$this->assertEquals('Object 2', $records[0]['Name']);
$this->assertEquals('2012-05-01 09:00:00', $records['0']['_SortColumn0']);
}
