function Schema::dropPrimaryKey

Same name in this branch

11.1.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::dropPrimaryKey()
11.1.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::dropPrimaryKey()
11.1.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::dropPrimaryKey()

Drop the primary key.

Parameters

$table: The table to be altered.

Return value

bool 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/modules/pgsql/src/Driver/Database/pgsql/Schema.php: Drop the primary key.
Schema::dropPrimaryKey in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php: Drop the primary key.
Schema::dropPrimaryKey in core/modules/mysql/src/Driver/Database/mysql/Schema.php: Drop the primary key.

File

core/lib/Drupal/Core/Database/Schema.php, line 381

Class

Schema: Provides a base implementation for Database Schema.

Namespace

Drupal\Core\Database

Code

public abstract function dropPrimaryKey($table);