function DatabaseSchema::dropPrimaryKey
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);Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.