+ [ 'addField', 'watchlist', 'wl_id', 'patch-watchlist-wl_id.sql' ],
+ [ 'dropIndex', 'categorylinks', 'cl_collation', 'patch-kill-cl_collation_index.sql' ],
+ [ 'addIndex', 'categorylinks', 'cl_collation_ext',
+ 'patch-add-cl_collation_ext_index.sql' ],
+ [ 'doCollationUpdate' ],