1 define mw_prefix
='{$wgDBprefix}';
3 ALTER TABLE &mw_prefix.page_restrictions
DROP CONSTRAINT &mw_prefix.page_restrictions_pk
;
5 ALTER TABLE &mw_prefix.page_restrictions
ADD CONSTRAINT &mw_prefix.page_restrictions_pk
PRIMARY KEY (pr_id
);
7 CREATE UNIQUE INDEX &mw_prefix.page_restrictions_u01
ON &mw_prefix.
page_restrictions (pr_page
,pr_type
);