public function DatabaseSchema_pgsql::dropUniqueKey

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

drupal/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;
}