/**
* {@inheritdoc}
*/
protected function getSelectColumnsSQL()
{
if ($this->selectColumnListSql !== null) {
return $this->selectColumnListSql;
}
$columnList[] = parent::getSelectColumnsSQL();
$rootClass = $this->em->getClassMetadata($this->class->rootEntityName);
$tableAlias = $this->getSQLTableAlias($rootClass->name);
// Append discriminator column
$discrColumn = $this->class->discriminatorColumn['name'];
$columnList[] = $tableAlias . '.' . $discrColumn;
$resultColumnName = $this->platform->getSQLResultCasing($discrColumn);
$this->rsm->setDiscriminatorColumn('r', $resultColumnName);
$this->rsm->addMetaResult('r', $resultColumnName, $discrColumn);
// Append subclass columns
foreach ($this->class->subClasses as $subClassName) {
$subClass = $this->em->getClassMetadata($subClassName);
// Regular columns
foreach ($subClass->fieldMappings as $fieldName => $mapping) {
if (isset($mapping['inherited'])) {
continue;
}
$columnList[] = $this->getSelectColumnSQL($fieldName, $subClass);
}
// Foreign key columns
foreach ($subClass->associationMappings as $assoc) {
if (!$assoc['isOwningSide'] || !($assoc['type'] & ClassMetadata::TO_ONE) || isset($assoc['inherited'])) {
continue;
}
foreach ($assoc['targetToSourceKeyColumns'] as $srcColumn) {
$className = isset($assoc['inherited']) ? $assoc['inherited'] : $this->class->name;
$columnList[] = $this->getSelectJoinColumnSQL($tableAlias, $srcColumn, $className);
}
}
}
$this->selectColumnListSql = implode(', ', $columnList);
return $this->selectColumnListSql;
}
