/**
* {@inheritdoc}
*/
public function walkSelectClause($selectClause)
{
$sql = 'SELECT ' . ($selectClause->isDistinct ? 'DISTINCT ' : '');
$sqlSelectExpressions = array_filter(array_map(array($this, 'walkSelectExpression'), $selectClause->selectExpressions));
if ($this->query->getHint(Query::HINT_INTERNAL_ITERATION) == true && $selectClause->isDistinct) {
$this->query->setHint(self::HINT_DISTINCT, true);
}
$addMetaColumns = !$this->query->getHint(Query::HINT_FORCE_PARTIAL_LOAD) && $this->query->getHydrationMode() == Query::HYDRATE_OBJECT || $this->query->getHydrationMode() != Query::HYDRATE_OBJECT && $this->query->getHint(Query::HINT_INCLUDE_META_COLUMNS);
foreach ($this->selectedClasses as $selectedClass) {
$class = $selectedClass['class'];
$dqlAlias = $selectedClass['dqlAlias'];
$resultAlias = $selectedClass['resultAlias'];
// Register as entity or joined entity result
if ($this->queryComponents[$dqlAlias]['relation'] === null) {
$this->rsm->addEntityResult($class->name, $dqlAlias, $resultAlias);
} else {
$this->rsm->addJoinedEntityResult($class->name, $dqlAlias, $this->queryComponents[$dqlAlias]['parent'], $this->queryComponents[$dqlAlias]['relation']['fieldName']);
}
if ($class->isInheritanceTypeSingleTable() || $class->isInheritanceTypeJoined()) {
// Add discriminator columns to SQL
$rootClass = $this->em->getClassMetadata($class->rootEntityName);
$tblAlias = $this->getSQLTableAlias($rootClass->getTableName(), $dqlAlias);
$discrColumn = $rootClass->discriminatorColumn;
$columnAlias = $this->getSQLColumnAlias($discrColumn['name']);
$sqlSelectExpressions[] = $tblAlias . '.' . $discrColumn['name'] . ' AS ' . $columnAlias;
$this->rsm->setDiscriminatorColumn($dqlAlias, $columnAlias);
$this->rsm->addMetaResult($dqlAlias, $columnAlias, $discrColumn['fieldName']);
}
// Add foreign key columns to SQL, if necessary
if (!$addMetaColumns && !$class->containsForeignIdentifier) {
continue;
}
// Add foreign key columns of class and also parent classes
foreach ($class->associationMappings as $assoc) {
if (!($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE)) {
continue;
} else {
if (!$addMetaColumns && !isset($assoc['id'])) {
continue;
}
}
$owningClass = isset($assoc['inherited']) ? $this->em->getClassMetadata($assoc['inherited']) : $class;
$sqlTableAlias = $this->getSQLTableAlias($owningClass->getTableName(), $dqlAlias);
foreach ($assoc['targetToSourceKeyColumns'] as $srcColumn) {
$columnAlias = $this->getSQLColumnAlias($srcColumn);
$sqlSelectExpressions[] = $sqlTableAlias . '.' . $srcColumn . ' AS ' . $columnAlias;
$this->rsm->addMetaResult($dqlAlias, $columnAlias, $srcColumn, isset($assoc['id']) && $assoc['id'] === true);
}
}
// Add foreign key columns to SQL, if necessary
if (!$addMetaColumns) {
continue;
}
// Add foreign key columns of subclasses
foreach ($class->subClasses as $subClassName) {
$subClass = $this->em->getClassMetadata($subClassName);
$sqlTableAlias = $this->getSQLTableAlias($subClass->getTableName(), $dqlAlias);
foreach ($subClass->associationMappings as $assoc) {
// Skip if association is inherited
if (isset($assoc['inherited'])) {
continue;
}
if (!($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE)) {
continue;
}
foreach ($assoc['targetToSourceKeyColumns'] as $srcColumn) {
$columnAlias = $this->getSQLColumnAlias($srcColumn);
$sqlSelectExpressions[] = $sqlTableAlias . '.' . $srcColumn . ' AS ' . $columnAlias;
$this->rsm->addMetaResult($dqlAlias, $columnAlias, $srcColumn);
}
}
}
}
$sql .= implode(', ', $sqlSelectExpressions);
return $sql;
}
/**
* {@inheritdoc}
*/
public function setHint($name, $value)
{
$this->_state = self::STATE_DIRTY;
return parent::setHint($name, $value);
}
/**
* @param $query
*/
private function applyHints(AbstractQuery $query)
{
foreach ($this->hints as $hintKey => $hintValue) {
$query->setHint($hintKey, $hintValue);
}
}
