-- This is also the page_title of the category's description page;
-- all such pages are in namespace 14 (NS_CATEGORY).
cl_to varchar(255) binary NOT NULL default '',
-
+
-- The title of the linking page, or an optional override
-- to determine sort order. Sorting is by binary order, which
-- isn't always ideal, but collations seem to be an exciting
-- and dangerous new world in MySQL...
- cl_sortkey varchar(255) binary NOT NULL default '',
+ --
+ -- For MySQL 4.1+ with charset set to utf8, the sort key *index*
+ -- needs cut to be smaller than 1024 bytes (at 3 bytes per char).
+ -- To sort properly on the shorter key, this field needs to be
+ -- the same shortness.
+ cl_sortkey varchar(86) binary NOT NULL default '',
-- This isn't really used at present. Provided for an optional
-- sorting method by approximate addition time.
-- This key is trouble. It's incomplete, AND it's too big
-- when collation is set to UTF-8. Bleeeacch!
- KEY cl_sortkey(cl_to,cl_sortkey(128)),
+ KEY cl_sortkey(cl_to,cl_sortkey),
-- Not really used?
KEY cl_timestamp(cl_to,cl_timestamp)