abstract public function Schema::dropUniqueKey

Same name in this branch
  1. 8.x drupal/core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropUniqueKey()
  2. 8.x drupal/core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::dropUniqueKey()
  3. 8.x drupal/core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::dropUniqueKey()
  4. 8.x drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::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.

3 methods override Schema::dropUniqueKey()
Schema::dropUniqueKey in drupal/core/lib/Drupal/Core/Database/Driver/mysql/Schema.php
Drop a unique key.
Schema::dropUniqueKey in drupal/core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php
Drop a unique key.
Schema::dropUniqueKey in drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php
Drop a unique key.

File

drupal/core/lib/Drupal/Core/Database/Schema.php, line 549
Definition of Drupal\Core\Database\Schema

Class

Schema

Namespace

Drupal\Core\Database

Code

public abstract function dropUniqueKey($table, $name);