Add a primary key.

Parameters

$table: The table to be altered.

$fields: Fields for the primary key.

Throws

\Drupal\Core\Database\SchemaObjectDoesNotExistException If the specified table doesn't exist.

\Drupal\Core\Database\SchemaObjectExistsException If the specified table already has a primary key.

3 methods override Schema::addPrimaryKey()

Schema::addPrimaryKey in core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php

Add a primary key.

Schema::addPrimaryKey in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Add a primary key.

Schema::addPrimaryKey in core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php

Add a primary key.

File

core/lib/Drupal/Core/Database/Schema.php, line 408

Class

Schema

Provides a base implementation for Database Schema.

Namespace

Drupal\Core\Database

Code

abstract public function addPrimaryKey($table, $fields);

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