We do this by creating a new zulip{_test}_base database that only has the zulip
schema and the tsearch_extras extension. We then use that as a template when
creating zulip{_test}.
(imported from commit 8adb4b98410e4042a0187902e89c99561eac8c8f)
This requires no changes in production, but is tagged as manual to
remind developers that they need to edit and run the tools/migrate-db
script to fix up their local database instances.
(imported from commit fbf764fb61592ef994d6d2ad56edad65ff01f14b)
Zev Benjamin
Tim Abbott