public Schema::dropUniqueKey($table, $name)
Drop a unique key.
Parameters
$table: The table to be altered.
$name: The name of the key.
Return value
TRUE if the key was successfully dropped, FALSE if there was no key by that name to begin with.
Overrides Schema::dropUniqueKey
File
- core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 654
Class
- Schema
- PostgreSQL implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\pgsql
Code
1 2 3 4 5 6 7 8 9 | public function dropUniqueKey($table, $name) { if (!$this->constraintExists($table, $name . '__key')) { return FALSE; } $this->connection->query('ALTER TABLE {' . $table . '} DROP CONSTRAINT ' . $this->ensureIdentifiersLength($table, $name, 'key')); $this->resetTableInformation($table); return TRUE;} |
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