/var/lib/hoogle/databases
Here is hoogle database files. They are updated by update-hoogle command.
Update hoogle database
update-hoogle
This program creates hoogle database for Debian system. It collects haddock documents, then create the database for hoogle command.
This program is called by hoogle's postinst script automatically. But you can run this program manually too, if hoogle database broken.
/var/lib/hoogle/databases
Here is hoogle database files. They are updated by update-hoogle command.
4 releases since Debian 8 (Jessie); the text changed 1 time.