privileges: Fix panic when using skip-grant-table (#27558) #27559
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cherry-pick #27558 to release-5.2
You can switch your code base to this Pull Request by using git-extras:
# In tidb repo: git pr https://github.com/pingcap/tidb/pull/27559After apply modifications, you can push your change to this PR via:
What problem does this PR solve?
Issue Number: close #27555
Problem Summary:
tidb-serverpanics withskip-grant-tablesenabledWhat is changed and how it works?
Check for
SkipWithGrantwhen getting the auth plugin for a user.Check List
Tests
Side effects
Documentation
Release note
This doesn't yet have good unittest(s) or integration test(s), I'm planning to spend some time on trying to find a good way to do this.