/**
* Processa a query de consulta
* @param Expression $qry
* @return array No formato queryresult
*/
protected function proccessQuery(Expression $qry)
{
$params = array();
$sql = '';
if ($qry->hasWhere()) {
$sql = $qry->getWhere()->getSQL() . ' ';
$params = $qry->getWhere()->getParams();
}
if ($qry->hasGroupBy()) {
$sql .= 'GROUP BY ' . implode(',', $qry->getGroupBy()) . ' ';
}
if ($qry->hasHaving()) {
$count = 1;
$sql .= str_replace('WHERE', 'HAVING', $qry->getHaving()->getSQL(), $count) . ' ';
$params = array_merge($params, $qry->getHaving()->getParams());
}
if ($qry->hasOrderBy()) {
$order = array();
foreach ($qry->getOrderBy() as $cp => $ord) {
$order[] = $cp . ' ' . $ord;
}
$sql .= 'ORDER BY ' . implode(',', $order) . ' ';
}
if ($qry->hasLimit()) {
$sql .= 'LIMIT ? ';
$params[] = $qry->getLimit();
}
if ($qry->hasOffset() && $qry->getOffset() > 0) {
$sql .= 'OFFSET ? ';
$params[] = $qry->getOffset();
}
return $this->getQueryResult($sql, $params);
}
/**
* @covers Expression::getInstance
* @todo Implement testGetInstance().
*/
public function testGetInstance()
{
$this->object = Expression::getInstance(array('x' => 'y'));
$this->assertFalse($this->object->hasWhere(), 'Falha ao possuir o WHERE');
$this->assertEquals($this->object, Expression::getInstance($this->object));
}