Fixup wait-for-deps postgresql checks
What does this MR do?
Fixup lib/checks/postgresql.rb
to return 0 when the database is good,
but not table exists yet. This aligns to how
migration_context.current_version
silently would return when there
was no database state.
Related issues
gitlab-org/gitlab#361833 (closed)
Checklist
See Definition of done.
For anything in this list which will not be completed, please provide a reason in the MR discussion
Required
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Merge Request Title, and Description are up to date, accurate, and descriptive -
MR targeting the appropriate branch -
MR has a green pipeline on GitLab.com
Expected (please provide an explanation if not completing)
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Test plan indicating conditions for success has been posted and passes -
Documentation created/updated -
Integration tests added to GitLab QA -
The impact any change in container size has should be evaluated