executor: fix drop role failed after revoke role from current user

[unconsolable]

Signed-off-by: unconsolable chenzhipeng2012@gmail.com

What problem does this PR solve?

Issue Number: close #29781

Problem Summary:

What is changed and how it works?

Seems a follow-up of #29494

• When an active role of current user is revoked, remove it from activeRoles.
• Add unit test.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• mjonss
• xhebox

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[unconsolable]

Although it still fails on common-test, it seems that the failure in [role] is resolved.
https://ci.pingcap.net/blue/organizations/jenkins/tidb_ghpr_common_test/detail/tidb_ghpr_common_test/7350/pipeline/86
https://ci.pingcap.net/blue/organizations/jenkins/tidb_ghpr_common_test/detail/tidb_ghpr_common_test/7351/pipeline/86

[2021-11-15T13:26:16.159Z] time="2021-11-15T21:26:16+08:00" level=error msg="1 tests failed\n"
[2021-11-15T13:26:16.159Z] time="2021-11-15T21:26:16+08:00" level=error msg="run test [update] err: sql:create table t2 (id int unsigned not null auto_increment primary key, a int);: run \"create table t2 (id int unsigned not null auto_increment primary key, a int);\" at line 148 err Error 1050: Table 'test.t2' already exists"

[mjonss]

Looks good, but I have a few questions :)

[mjonss]

LGTM

Thanks for reporting the new bug too!

[xhebox]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: fa04b39