abstract public function Schema::dropPrimaryKey

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

Drop the primary key.

Parameters

$table: The table to be altered.

Return value

TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with.

3 methods override Schema::dropPrimaryKey()
Schema::dropPrimaryKey in drupal/core/lib/Drupal/Core/Database/Driver/mysql/Schema.php
Drop the primary key.
Schema::dropPrimaryKey in drupal/core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php
Drop the primary key.
Schema::dropPrimaryKey in drupal/core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php
Drop the primary key.

File

drupal/core/lib/Drupal/Core/Database/Schema.php, line 518
Definition of Drupal\Core\Database\Schema

Class

Schema

Namespace

Drupal\Core\Database

Code

public abstract function dropPrimaryKey($table);