maintenance/archives/patch-rc_source.sql

   1 -- first step of migrating recentchanges rc_type to rc_source
   2 ALTER TABLE /*$wgDBprefix*/recentchanges
   3   ADD rc_source varbinary(16) NOT NULL default '';
   4
   5 -- Populate rc_source field with the data from rc_type
   6 -- Large wiki's might prefer the PopulateRecentChangeSource maintenance
   7 -- script to batch updates into groups rather than all at once.
   8 UPDATE /*$wgDBprefix*/recentchanges
   9   SET rc_source = CASE
  10     WHEN rc_type = 0 THEN 'mw.edit'
  11     WHEN rc_type = 1 THEN 'mw.new'
  12     WHEN rc_type = 3 THEN 'mw.log'
  13     WHEN rc_type = 5 THEN 'mw.external'
  14     ELSE ''
  15   END
  16 WHERE rc_source = '';