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abstract public function Schema::dropPrimaryKey in Drupal 8

Same name in this branch
  1. 8 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropPrimaryKey()
  2. 8 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::dropPrimaryKey()
  3. 8 core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::dropPrimaryKey()
  4. 8 core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::dropPrimaryKey()
Same name and namespace in other branches
  1. 9 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\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 core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php
Drop the primary key.
Schema::dropPrimaryKey in core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php
Drop the primary key.
Schema::dropPrimaryKey in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php
Drop the primary key.

File

core/lib/Drupal/Core/Database/Schema.php, line 420

Class

Schema
Provides a base implementation for Database Schema.

Namespace

Drupal\Core\Database

Code

public abstract function dropPrimaryKey($table);