maintenance/archives/patch-fa_sha1.sql

   1 -- Add fa_sha1 and related index
   2 ALTER TABLE /*$wgDBprefix*/filearchive
   3   ADD COLUMN fa_sha1 varbinary(32) NOT NULL default '';
   4 CREATE INDEX /*i*/fa_sha1 ON /*$wgDBprefix*/filearchive (fa_sha1(10));