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/mysql/Schema.php

Drop the primary key.

Schema::dropPrimaryKey in core/lib/Drupal/Core/Database/Driver/pgsql/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

abstract public function dropPrimaryKey($table);

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