public function DatabaseSchema_mysql::dropUniqueKey in Drupal 7

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/mysql/schema.inc, line 436

Database schema code for MySQL database servers.

Class

DatabaseSchema_mysql

Code

public function dropUniqueKey($table, $name) {
  if (!$this
    ->indexExists($table, $name)) {
    return FALSE;
  }
  $this->connection
    ->query('ALTER TABLE {' . $table . '} DROP KEY `' . $name . '`');
  return TRUE;
}