function Schema::dropUniqueKey

Same name in this branch

11.1.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropUniqueKey()
11.1.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::dropUniqueKey()
11.1.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::dropUniqueKey()

Overrides Schema::dropUniqueKey

File

core/modules/pgsql/src/Driver/Database/pgsql/Schema.php, line 829

Class

Schema: PostgreSQL implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\pgsql\Driver\Database\pgsql

Code

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;
}