Flaky test: TestExplainFor in pkg/server/tests #67419

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1. yinsustart

   added

   flaky-test

   on Mar 30, 2026
2. ti-chi-bot

   added

   component/test

   severity/critical

   on Apr 3, 2026
3. ti-chi-bot commented on Apr 3, 2026

   

   ti-chi-bot

   on Apr 3, 2026

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   Automated flaky test report update.

   • Repo: pingcap/tidb
   • Branch: master
   • Package: pkg/server/tests
   • Case: TestExplainFor
   • Flaky Count: 2
   • Time Thresholded Count: 0
   • Latest Build: https://do.pingcap.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/14524/

   Window: 2026-04-02T00:00:00.000Z → 2026-04-03T00:00:00.000Z
   Threshold: 100000 ms
4. ti-chi-bot commented on Apr 8, 2026

   

   ti-chi-bot

   on Apr 8, 2026

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   Automated flaky test report update.

   • Repo: pingcap/tidb
   • Branch: master
   • Package: pkg/server/tests
   • Case: TestExplainFor
   • Flaky Count: 2
   • Time Thresholded Count: 0
   • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/294/

   Window: 2026-04-07T00:00:00.000Z → 2026-04-08T00:00:00.000Z
   Threshold: 100000 ms
5. ti-chi-bot commented on Apr 9, 2026

   

   ti-chi-bot

   on Apr 9, 2026

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   More actions

   Automated flaky test report update.

   • Repo: pingcap/tidb
   • Branch: master
   • Package: pkg/server/tests
   • Case: TestExplainFor
   • Flaky Count: 8
   • Time Thresholded Count: 0
   • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/158/

   Window: 2026-04-08T00:00:00.000Z → 2026-04-09T00:00:00.000Z
   Threshold: 100000 ms
6. ti-chi-bot commented on Apr 9, 2026

   

   ti-chi-bot

   on Apr 9, 2026

   Member

   More actions

   Automated flaky test report update.

   • Repo: pingcap/tidb
   • Branch: master
   • Package: pkg/server/tests
   • Case: TestExplainFor
   • Flaky Count: 8
   • Time Thresholded Count: 0
   • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/158/

   Window: 2026-04-08T00:00:00.000Z → 2026-04-09T00:00:00.000Z
   Threshold: 100000 ms
7. ti-chi-bot commented on Apr 10, 2026

   

   ti-chi-bot

   on Apr 10, 2026

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   More actions

   Automated flaky test report update.

   • Repo: pingcap/tidb
   • Branch: master
   • Package: pkg/server/tests
   • Case: TestExplainFor
   • Flaky Count: 11
   • Time Thresholded Count: 0
   • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/543/

   Window: 2026-04-09T00:00:00.000Z → 2026-04-10T00:00:00.000Z
   Threshold: 100000 ms
8. ti-chi-bot commented on Apr 11, 2026

   

   ti-chi-bot

   on Apr 11, 2026

   Member

   More actions

   Automated flaky test report update.

   • Repo: pingcap/tidb
   • Branch: master
   • Package: pkg/server/tests
   • Case: TestExplainFor
   • Flaky Count: 11
   • Time Thresholded Count: 0
   • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/427/

   Window: 2026-04-10T00:00:00.000Z → 2026-04-11T00:00:00.000Z
   Threshold: 100000 ms
9. ti-chi-bot commented on Apr 12, 2026

   

   ti-chi-bot

   on Apr 12, 2026

   Member

   More actions

   Automated flaky test report update.

   • Repo: pingcap/tidb
   • Branch: master
   • Package: pkg/server/tests
   • Case: TestExplainFor
   • Flaky Count: 9
   • Time Thresholded Count: 0
   • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/687/

   Window: 2026-04-11T00:00:00.000Z → 2026-04-12T00:00:00.000Z
   Threshold: 100000 ms
10. ti-chi-bot commented on Apr 13, 2026

    

    ti-chi-bot

    on Apr 13, 2026

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    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 4
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/697/

    Window: 2026-04-12T00:00:00.000Z → 2026-04-13T00:00:00.000Z
    Threshold: 100000 ms
11. ti-chi-bot commented on Apr 14, 2026

    

    ti-chi-bot

    on Apr 14, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 5
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/776/

    Window: 2026-04-13T00:00:00.000Z → 2026-04-14T00:00:00.000Z
    Threshold: 100000 ms
12. joechenrh

    added a commit that references this issue on Apr 14, 2026

    server: fix flaky TestExplainFor by closing unclosed sql.Rows

    ...

    This issue will close once commit 648f612 is merged into the 'master' branch.

    648f612
13. ti-chi-bot commented on Apr 15, 2026

    

    ti-chi-bot

    on Apr 15, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 8
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/867/

    Window: 2026-04-14T00:00:00.000Z → 2026-04-15T00:00:00.000Z
    Threshold: 100000 ms
14. ti-chi-bot commented on Apr 16, 2026

    

    ti-chi-bot

    on Apr 16, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 4
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/934/

    Window: 2026-04-15T00:00:00.000Z → 2026-04-16T00:00:00.000Z
    Threshold: 100000 ms
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16. ti-chi-bot commented on Apr 24, 2026

    

    ti-chi-bot

    on Apr 24, 2026

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    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 6
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/2309/

    Window: 2026-04-23T00:00:00.000Z → 2026-04-24T00:00:00.000Z
    Threshold: 100000 ms
17. ti-chi-bot commented on Apr 24, 2026

    

    ti-chi-bot

    on Apr 24, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 6
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/2309/

    Window: 2026-04-23T00:00:00.000Z → 2026-04-24T00:00:00.000Z
    Threshold: 100000 ms
18. ti-chi-bot commented on Apr 25, 2026

    

    ti-chi-bot

    on Apr 25, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 4
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/pull_unit_test_next_gen/2400/

    Window: 2026-04-24T00:00:00.000Z → 2026-04-25T00:00:00.000Z
    Threshold: 100000 ms
19. ti-chi-bot

    added

    affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

    on Apr 25, 2026
20. ti-chi-bot commented on Apr 25, 2026

    

    ti-chi-bot

    on Apr 25, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: release-8.5
    • Package: pkg/executor
    • Case: TestExplainFor
    • Flaky Count: 1
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/release-8.5/job/pull_unit_test/401/

    Window: 2026-04-24T00:00:00.000Z → 2026-04-25T00:00:00.000Z
    Threshold: 100000 ms
21. ti-chi-bot commented on Apr 26, 2026

    

    ti-chi-bot

    on Apr 26, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 1
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/2677/

    Window: 2026-04-25T00:00:00.000Z → 2026-04-26T00:00:00.000Z
    Threshold: 100000 ms
22. ti-chi-bot commented on Apr 28, 2026

    

    ti-chi-bot

    on Apr 28, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 1
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/2736/

    Window: 2026-04-27T00:00:00.000Z → 2026-04-28T00:00:00.000Z
    Threshold: 100000 ms
23. yinsustart

    added

    type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

    on May 6, 2026
24. ti-chi-bot commented on May 7, 2026

    

    ti-chi-bot

    on May 7, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 1
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/3051/

    Window: 2026-05-06T00:00:00.000Z → 2026-05-07T00:00:00.000Z
    Threshold: 100000 ms
25. ti-chi-bot commented on May 11, 2026

    

    ti-chi-bot

    on May 11, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 1
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/merged_unit_test/188/

    Window: 2026-05-10T00:00:00.000Z → 2026-05-11T00:00:00.000Z
    Threshold: 100000 ms
26. ti-chi-bot commented on May 13, 2026

    

    ti-chi-bot

    on May 13, 2026

    Member

    More actions

    Automated flaky test report update.

    • Repo: pingcap/tidb
    • Branch: master
    • Package: pkg/server/tests
    • Case: TestExplainFor
    • Flaky Count: 1
    • Time Thresholded Count: 0
    • Latest Build: https://prow.tidb.net/jenkins/job/pingcap/job/tidb/job/ghpr_unit_test/3358/

    Window: 2026-05-12T00:00:00.000Z → 2026-05-13T00:00:00.000Z
    Threshold: 100000 ms
27. ti-chi-bot

    closed this as completedin #67752on May 13, 2026
28. ti-chi-bot

    added a commit that references this issue on May 13, 2026

    server: fix flaky TestExplainFor by closing unclosed sql.Rows (#67752)

    ...

    This issue will close once commit 153a5fc is merged into the 'master' branch.

    153a5fc
29. yongman

    added a commit that references this issue on Jun 3, 2026

    server: fix flaky TestExplainFor by closing unclosed sql.Rows (pingca…

    ...

    This issue will close once commit e00b6eb is merged into the 'master' branch.

    e00b6eb
30. ti-chi-bot

    added a commit that references this issue on Jun 10, 2026

    server: fix flaky TestExplainFor by closing unclosed sql.Rows (#67752) (

    ...

    This issue will close once commit e7cb609 is merged into the 'master' branch.

    e7cb609