| private getRemainingForeignKeyConstraintsRequiringRenamedIndexes ( Doctrine\DBAL\Schema\TableDiff $diff ) : array | ||
| $diff | Doctrine\DBAL\Schema\TableDiff | The table diff to evaluate. |
| return | array | |
private function getRemainingForeignKeyConstraintsRequiringRenamedIndexes(TableDiff $diff)
{
if (empty($diff->renamedIndexes) || !$diff->fromTable instanceof Table) {
return array();
}
$foreignKeys = array();
/** @var \Doctrine\DBAL\Schema\ForeignKeyConstraint[] $remainingForeignKeys */
$remainingForeignKeys = array_diff_key($diff->fromTable->getForeignKeys(), $diff->removedForeignKeys);
foreach ($remainingForeignKeys as $foreignKey) {
foreach ($diff->renamedIndexes as $index) {
if ($foreignKey->intersectsIndexColumns($index)) {
$foreignKeys[] = $foreignKey;
break;
}
}
}
return $foreignKeys;
}