abstract public function DatabaseSchema::dropPrimaryKey in Drupal 7

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 DatabaseSchema::dropPrimaryKey()

DatabaseSchema_mysql::dropPrimaryKey in includes/database/mysql/schema.inc

Drop the primary key.

DatabaseSchema_pgsql::dropPrimaryKey in includes/database/pgsql/schema.inc

Drop the primary key.

DatabaseSchema_sqlite::dropPrimaryKey in includes/database/sqlite/schema.inc

Drop the primary key.

File

includes/database/schema.inc, line 587

Class

DatabaseSchema

Base class for database schema definitions.

Code

public abstract function dropPrimaryKey($table);