function Schema::dropUniqueKey

Same name in this branch

1. 11.1.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::dropUniqueKey()
2. 11.1.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::dropUniqueKey()
3. 11.1.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::dropUniqueKey()

Drop a unique key.

Parameters

$table: The table to be altered.

$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.

3 methods override Schema::dropUniqueKey()

Schema::dropUniqueKey in core/modules/pgsql/src/Driver/Database/pgsql/Schema.php

Drop a unique key.

Schema::dropUniqueKey in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php

Drop a unique key.

Schema::dropUniqueKey in core/modules/mysql/src/Driver/Database/mysql/Schema.php

Drop a unique key.

File

core/lib/Drupal/Core/Database/Schema.php, line 432

Class

Schema

Provides a base implementation for Database Schema.

Namespace

Drupal\Core\Database

Code

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