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2 commits

Author SHA1 Message Date
Yorick Peterse
60526a5291
Fix TRIGGER checks for MySQL
This ensures we can check if the user has TRIGGER permissions without
querying restricted tables. Thanks to Steve Norman
(https://gitlab.com/stevenorman) for helping out with this merge
request.

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/38372
2017-11-06 23:34:07 +01:00
Yorick Peterse
5eab624d3c
Improve migrations using triggers
This adds a bunch of checks to migrations that may create or drop
triggers. Dropping triggers/functions is done using "IF EXISTS" so we
don't throw an error if the object in question has already been dropped.
We now also raise a custom error (message) when the user does not have
TRIGGER privileges. This should prevent the schema from entering an
inconsistent state while also providing the user with enough information
on how to solve the problem.

The recommendation of using SUPERUSER permissions is a bit extreme but
we require this anyway (Omnibus also configures users with this
permission).

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/36633
2017-08-29 13:02:44 +02:00