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executor: add an unit test case for unreasonable invoking Close (#30696) #30769

Merged
merged 7 commits into from
Sep 20, 2022
Merged

executor: add an unit test case for unreasonable invoking Close (#30696) #30769

merged 7 commits into from
Sep 20, 2022

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@ti-srebot ti-srebot commented Dec 16, 2021 •
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cherry-pick #30696 to release-5.1
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/30769

After apply modifications, you can push your change to this PR via:

git push git@github.com:ti-srebot/tidb.git pr/30769:release-5.1-8cf847a57514

What problem does this PR solve?

Issue Number: close #xxx

Problem Summary:
Inspired by #27125, #30587, and #30289, there is a common problem that the Close function may be invoked but the Open function is not invoked or returned with an error. In this senario, some member attributes are not initialized and the nil pointer panic triggered when invoking Close.

I add a unit test in this commit to test invoking the Close function directly without invoking the Open function before.
With this test, 3 more similar bugs are also found in MergeJoinExec, CTEExec, IndexReader.

What is changed and how it works?

Check List

Tests

  • Unit test

Side effects

N/A

Documentation

N/A

Release note

None

@XuHuaiyu @ti-srebot
cherry pick pingcap#30696 to release-5.1
795615b 
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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ti-chi-bot commented Dec 16, 2021 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • guo-shaoge
  • wshwsh12

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.

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@ti-chi-bot ti-chi-bot added do-not-merge/cherry-pick-not-approved do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Dec 16, 2021
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/run-all-tests

@ti-chi-bot ti-chi-bot added release-note-none Denotes a PR that doesn't merit a release note. and removed do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Dec 16, 2021
@ti-srebot ti-srebot mentioned this pull request Dec 16, 2021
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@ti-srebot ti-srebot added component/test sig/execution SIG execution size/L Denotes a PR that changes 100-499 lines, ignoring generated files. type/5.1-cherry-pick type/bugfix This PR fixes a bug. labels Dec 16, 2021
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@XuHuaiyu you're already a collaborator in bot's repo.

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Jan 11, 2022
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Jun 21, 2022
@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Sep 19, 2022
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/merge

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

Commit hash: 22061c6

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Sep 19, 2022
@ti-chi-bot ti-chi-bot removed the status/can-merge Indicates a PR has been approved by a committer. label Sep 19, 2022
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/merge

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

Commit hash: e0b6270

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Sep 20, 2022
@ti-chi-bot ti-chi-bot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Sep 20, 2022
@ti-chi-bot ti-chi-bot removed status/can-merge Indicates a PR has been approved by a committer. needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. labels Sep 20, 2022
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/merge

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

Commit hash: a30d028

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Sep 20, 2022
@ti-chi-bot ti-chi-bot merged commit 427c05b into pingcap:release-5.1 Sep 20, 2022
@zanmato1984 zanmato1984 deleted the release-5.1-8cf847a57514 branch September 20, 2022 03:43
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Reviewers

@wshwsh12 wshwsh12 wshwsh12 approved these changes

@guo-shaoge guo-shaoge guo-shaoge approved these changes

@fuzhe1989 fuzhe1989 Awaiting requested review from fuzhe1989

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@XuHuaiyu XuHuaiyu

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cherry-pick-approved Cherry pick PR approved by release team. component/test release-note-none Denotes a PR that doesn't merit a release note. sig/execution SIG execution size/L Denotes a PR that changes 100-499 lines, ignoring generated files. status/can-merge Indicates a PR has been approved by a committer. status/LGT2 Indicates that a PR has LGTM 2. type/bugfix This PR fixes a bug. type/5.1-cherry-pick
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