abstract public function DatabaseSchema::addPrimaryKey

1.20.x schema.inc abstract public DatabaseSchema::addPrimaryKey($table, $fields)

Add a primary key.

Parameters

$table: The table to be altered.

$fields: Fields for the primary key.

Throws

DatabaseSchemaObjectDoesNotExistException If the specified table doesn't exist.

DatabaseSchemaObjectExistsException If the specified table already has a primary key.

1 method overrides DatabaseSchema::addPrimaryKey()

DatabaseSchema_mysql::addPrimaryKey in drivers/database_mysql/schema.inc: Add a primary key.

File

includes/database/schema.inc, line 569: Generic Database schema code.

Class

DatabaseSchema: Base class for database schema definitions.

Code

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