WIP: full_text_mroonga_catalog: don't use VARBINARY columns in index
Mroonga 14.07 seems to have a problem that such columns can not be selected, but VARCHAR seems OK.
See discussions on https://lab.nexedi.com/nexedi/slapos/-/merge_requests/1644
Mroonga 14.07 seems to have a problem that such columns can not be selected, but VARCHAR seems OK.
See discussions on https://lab.nexedi.com/nexedi/slapos/-/merge_requests/1644