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executor: fix execute failed when table schema changed #33519

Merged
merged 3 commits into from
Mar 30, 2022
Merged

executor: fix execute failed when table schema changed #33519

merged 3 commits into from
Mar 30, 2022

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lcwangchao
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What problem does this PR solve?

Issue Number: close #33509

Problem Summary:

What is changed and how it works?

revert some changes in #12388 that will cause some panic

Check List

Tests

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

Side effects

resultSet's columns cache is disabled for different query that will cause a tiny performance down.

Documentation

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

Release note

fix bug #33509

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ti-chi-bot commented Mar 28, 2022 •
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[REVIEW NOTIFICATION]

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  • cfzjywxk
  • tiancaiamao

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@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. needs-cherry-pick-4.0 needs-cherry-pick-release-5.0 needs-cherry-pick-release-5.1 needs-cherry-pick-release-5.2 needs-cherry-pick-release-5.3 Type: Need cherry pick to release-5.3 needs-cherry-pick-release-5.4 Should cherry pick this PR to release-5.4 branch. labels Mar 28, 2022
@ti-chi-bot ti-chi-bot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Mar 28, 2022
cfzjywxk
cfzjywxk approved these changes Mar 28, 2022
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We could use the bench bot to verify if there's regression risk.

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Mar 28, 2022
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/run-unit-test
/run-mysql-test

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sre-bot commented Mar 28, 2022 •
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Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/b55685523b2753a87047539d520bbe1b256d1e62

tiancaiamao
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LGTM

Do we have a schema version together with the ColumnInfo so we can still reuse the objects and at the same time avoid the bug?

@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 Mar 30, 2022
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LGTM

Do we have a schema version together with the ColumnInfo so we can still reuse the objects and at the same time avoid the bug?

I did not found it. Theoretically yes, we can add it but it will be more complicated and may cause some potential bugs

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/merge

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

Commit hash: b556855

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Mar 30, 2022
@ti-chi-bot ti-chi-bot merged commit 5004a81 into pingcap:master Mar 30, 2022
ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Mar 30, 2022
@lcwangchao @ti-srebot
cherry pick pingcap#33519 to release-4.0
71ae990 
Signed-off-by: ti-srebot <[email protected]>
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cherry pick to release-4.0 in PR #33572

ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Mar 30, 2022
@lcwangchao @ti-srebot
cherry pick pingcap#33519 to release-5.0
6b9d87b 
Signed-off-by: ti-srebot <[email protected]>
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cherry pick to release-5.0 in PR #33573

ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Mar 30, 2022
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cherry pick pingcap#33519 to release-5.1
46c67bc 
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cherry pick to release-5.1 in PR #33574

ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Mar 30, 2022
@lcwangchao @ti-srebot
cherry pick pingcap#33519 to release-5.2
a0bd088 
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cherry pick to release-5.2 in PR #33575

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ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Mar 30, 2022
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cherry pick pingcap#33519 to release-5.3
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cherry pick to release-5.3 in PR #33576

ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Mar 30, 2022
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cherry pick pingcap#33519 to release-5.4
a9737c7 
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cherry pick to release-5.4 in PR #33577

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ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Mar 30, 2022
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cherry pick pingcap#33519 to release-6.0
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cherry pick to release-6.0 in PR #33578

@lcwangchao lcwangchao deleted the fix_33509 branch March 30, 2022 02:52
ti-chi-bot pushed a commit that referenced this pull request Apr 24, 2022
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executor: fix execute failed when table schema changed (#33519) (#33577)
4001a16 
close #33509
lcwangchao added a commit to lcwangchao/tidb that referenced this pull request May 6, 2022
@lcwangchao
Revert "executor: fix execute failed when table schema changed (pingc…
921170c 
…ap#33519) (pingcap#33577)"

This reverts commit 4001a16.
@lcwangchao lcwangchao mentioned this pull request May 6, 2022
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lcwangchao added a commit to lcwangchao/tidb that referenced this pull request May 6, 2022
@lcwangchao
*: Revert pingcap#33519 for performance fallback and fix the pingcap#…
9e071a0 
…33509 in another way

This reverts commit 5004a81.
ti-chi-bot pushed a commit that referenced this pull request May 6, 2022
@lcwangchao
*: Revert #33519 for performance fallback and fix the #33509 in anoth…
1f9d34a 
…er way (#34425)

close #33509
ti-chi-bot pushed a commit that referenced this pull request May 6, 2022
@ti-srebot
*: Revert #33519 for performance fallback and fix the #33509 in anoth…
f604940 
…er way (#34425) (#34433)

close #33509
ti-chi-bot pushed a commit that referenced this pull request Jun 15, 2022
@ti-srebot
*: Revert #33519 for performance fallback and fix the #33509 in anoth…
d4f1d2d 
…er way (#34425) (#34432)

close #33509
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@tiancaiamao tiancaiamao tiancaiamao approved these changes

@cfzjywxk cfzjywxk cfzjywxk approved these changes

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execute prepared statement with binary protocol will panic when table schema changed
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