Last modified: 2014-05-14 06:39:28 UTC
Currently the image and the oldimage have an sha1 field. The filearchive table just have the rather change fa_storage_key (https://www.mediawiki.org/wiki/Filearchive_table#fa_storage_key, sha1 + extension). The table should have an sha1 field and maybe in the long run the fa_storage_key can be dropped.
A fa_sha1 field already exists since Gerrit change #17512, see https://www.mediawiki.org/wiki/Filearchive_table#fa_sha1