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server: return the actual error when conn panic #18494

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merged 2 commits into from
Jul 13, 2020

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XuHuaiyu
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What problem does this PR solve?

Issue Number: close #18112

Problem Summary:
TiDB does not return the actual error when recovering a goroutine.

What is changed and how it works?

What's Changed:

How it Works:
As the title says.

Related changes

  • Need to cherry-pick to the release branch

Check List

Tests

  • Manual test (add detailed scripts or steps below)
    As the description in the related issue.
    We'll get ERROR 1105 (HY000): Out Of Memory Quota![conn_id=1] after this commit.

Side effects
N/A

Release note

  • Return the actual error message when a query connection panics.

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LGTM

@ti-srebot ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Jul 13, 2020
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@SunRunAway,Thanks for your review.

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@lysu lysu left a comment

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LGTM

@ti-srebot ti-srebot removed the status/LGT1 Indicates that a PR has LGTM 1. label Jul 13, 2020
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@lysu,Thanks for your review.

@ti-srebot ti-srebot added the status/LGT2 Indicates that a PR has LGTM 2. label Jul 13, 2020
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/merge

@ti-srebot ti-srebot added the status/can-merge Indicates a PR has been approved by a committer. label Jul 13, 2020
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/run-all-tests

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codecov bot commented Jul 13, 2020

Codecov Report

Merging #18494 into master will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             master     #18494   +/-   ##
===========================================
  Coverage   79.8641%   79.8641%           
===========================================
  Files           540        540           
  Lines        147046     147046           
===========================================
  Hits         117437     117437           
  Misses        20328      20328           
  Partials       9281       9281           

@ti-srebot ti-srebot merged commit 165bdfd into pingcap:master Jul 13, 2020
ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Jul 13, 2020
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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cherry pick to release-3.0 in PR #18498

ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Jul 13, 2020
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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cherry pick to release-3.1 in PR #18499

ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Jul 13, 2020
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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cherry pick to release-4.0 in PR #18500

ti-srebot added a commit that referenced this pull request Jul 13, 2020
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
ti-srebot added a commit that referenced this pull request Jul 13, 2020
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
ti-srebot added a commit that referenced this pull request Jul 13, 2020
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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memory_quota: Lost connection in InsertStmt
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