abstract public function Schema::addPrimaryKey

abstract public Schema::addPrimaryKey($table, $fields)

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.

File

core/lib/Drupal/Core/Database/Schema.php, line 391

Class

Schema

Provides a base implementation for Database Schema.

Namespace

Drupal\Core\Database

Code

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