public function DatabaseSchema_pgsql::dropUniqueKey

public DatabaseSchema_pgsql::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 DatabaseSchema::dropUniqueKey

File

includes/database/pgsql/schema.inc, line 467
Database schema code for PostgreSQL database servers.

Class

DatabaseSchema_pgsql

Code

public function dropUniqueKey($table, $name) {
  if (!$this->constraintExists($table, $name . '_key')) {
    return FALSE;
  }

  $this->connection->query('ALTER TABLE {' . $table . '} DROP CONSTRAINT "' . $this->prefixNonTable($table, $name, 'key') . '"');
  return TRUE;
}

© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/includes!database!pgsql!schema.inc/function/DatabaseSchema_pgsql::dropUniqueKey/7.x