// a hack for deleting pages, users and images (which have non-nullable FKs)
// all deletions on these tables have transactions so final failure rollbacks these updates
$table = $this->tableName( $table );
- if ( $table == $this->tableName( 'page' ) ) {
- $this->update( 'recentchanges', array( 'rc_cur_id' => 0 ), array( 'rc_cur_id' => $conds['page_id'] ), $fname );
- } elseif ( $table == $this->tableName( 'user' ) ) {
+ if ( $table == $this->tableName( 'user' ) ) {
$this->update( 'archive', array( 'ar_user' => 0 ), array( 'ar_user' => $conds['user_id'] ), $fname );
$this->update( 'ipblocks', array( 'ipb_user' => 0 ), array( 'ipb_user' => $conds['user_id'] ), $fname );
$this->update( 'image', array( 'img_user' => 0 ), array( 'img_user' => $conds['user_id'] ), $fname );
array( 'addIndex', 'user', 'i02', 'patch-user_email_index.sql' ),
array( 'modifyField', 'user_properties', 'up_property', 'patch-up_property.sql' ),
array( 'addTable', 'uploadstash', 'patch-uploadstash.sql' ),
+ array( 'doRecentchangesFK2Cascade' ),
//1.19
array( 'addTable', 'config', 'patch-config.sql' ),
array( 'addIndex', 'page', 'i03', 'patch-page_redirect_namespace_len.sql' ),
array( 'modifyField', 'user', 'ug_group', 'patch-ug_group-length-increase.sql' ),
- // till 2.0 i guess
+ // KEEP THIS AT THE BOTTOM!!
array( 'doRebuildDuplicateFunction' ),
);
$this->output( "ok\n" );
}
+ /**
+ * Removed forcing of invalid state on recentchanges_fk2.
+ * cascading taken in account in the deleting function
+ */
+ protected function doRecentchangesFK2Cascade() {
+ $this->output( "Altering RECENTCHANGES_FK2 ... " );
+
+ $meta = $this->db->query( 'SELECT 1 FROM all_constraints WHERE owner = \''.strtoupper($this->db->getDBname()).'\' AND constraint_name = \''.$this->db->tablePrefix().'RECENTCHANGES_FK2\' AND delete_rule = \'CASCADE\'' );
+ $row = $meta->fetchRow();
+ if ( $row ) {
+ $this->output( "FK up to date\n" );
+ return;
+ }
+
+ $this->applyPatch( 'patch_recentchanges_fk2_cascade.sql', false );
+ $this->output( "ok\n" );
+ }
+
/**
* rebuilding of the function that duplicates tables for tests
*/
$this->db->query( 'BEGIN fill_wiki_info; END;' );
}
+ /**
+ * Overload: because of the DDL_MODE tablename escaping is a bit dodgy
+ */
+ protected function purgeCache() {
+ # We can't guarantee that the user will be able to use TRUNCATE,
+ # but we know that DELETE is available to us
+ $this->output( "Purging caches..." );
+ $this->db->delete( '/*Q*/'.$this->db->tableName( 'objectcache' ), '*', __METHOD__ );
+ $this->output( "done.\n" );
+ }
+
}
);
ALTER TABLE &mw_prefix.recentchanges ADD CONSTRAINT &mw_prefix.recentchanges_pk PRIMARY KEY (rc_id);
ALTER TABLE &mw_prefix.recentchanges ADD CONSTRAINT &mw_prefix.recentchanges_fk1 FOREIGN KEY (rc_user) REFERENCES &mw_prefix.mwuser(user_id) ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED;
-ALTER TABLE &mw_prefix.recentchanges ADD CONSTRAINT &mw_prefix.recentchanges_fk2 FOREIGN KEY (rc_cur_id) REFERENCES &mw_prefix.page(page_id) ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED;
+ALTER TABLE &mw_prefix.recentchanges ADD CONSTRAINT &mw_prefix.recentchanges_fk2 FOREIGN KEY (rc_cur_id) REFERENCES &mw_prefix.page(page_id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED;
CREATE INDEX &mw_prefix.recentchanges_i01 ON &mw_prefix.recentchanges (rc_timestamp);
CREATE INDEX &mw_prefix.recentchanges_i02 ON &mw_prefix.recentchanges (rc_namespace, rc_title);
CREATE INDEX &mw_prefix.recentchanges_i03 ON &mw_prefix.recentchanges (rc_cur_id);