public function DatabaseSchema_mysql::dropUniqueKey

Drop a unique key.

Parameters

string $table: The table to be altered.

string $name: The name of the key.

Return value

bool: TRUE if the key was successfully dropped, FALSE if there was no key by that name to begin with.

Overrides DatabaseSchema::dropUniqueKey

File

core/includes/database/mysql/schema.inc, line 497

Database schema code for MySQL database servers.

Class

DatabaseSchema_mysql

Class to create and manipulate MySQL tables.

Code

public function dropUniqueKey($table, $name) {
  if (!$this->indexExists($table, $name)) {
    return FALSE;
  }

  $this->connection->query('ALTER TABLE {' . $table . '} DROP KEY `' . $name . '`');
  return TRUE;
}