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executor: verify the existence of the resource group before switching #56145

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merged 1 commit into from
Sep 22, 2024

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@JmPotato JmPotato commented Sep 19, 2024

What problem does this PR solve?

Issue Number: ref #54434.

What changed and how does it work?

Before switching, verify the existence of the resource group. If the specified resource group does not exist, take no action.

Check List

Tests

  • Unit test
  • Integration test
  • Manual test

Before:

image

After:

image

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

@ti-chi-bot ti-chi-bot bot added release-note-none Denotes a PR that doesn't merit a release note. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Sep 19, 2024
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@nolouch @glorv PTAL

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codecov bot commented Sep 19, 2024

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 56.6889%. Comparing base (d99d445) to head (7f0e886).
Report is 24 commits behind head on master.

Additional details and impacted files
@@                Coverage Diff                @@
##             master     #56145         +/-   ##
=================================================
- Coverage   72.9601%   56.6889%   -16.2713%     
=================================================
  Files          1611       1754        +143     
  Lines        447502     633131     +185629     
=================================================
+ Hits         326498     358915      +32417     
- Misses       100909     250488     +149579     
- Partials      20095      23728       +3633     
Flag Coverage Δ
integration 38.5170% <0.0000%> (?)
unit 72.7908% <0.0000%> (+0.7237%) ⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components Coverage Δ
dumpling 52.9567% <ø> (ø)
parser ∅ <ø> (∅)
br 52.9055% <ø> (+7.1136%) ⬆️

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do we need some tests?

@@ -555,7 +555,12 @@ func (a *ExecStmt) Exec(ctx context.Context) (_ sqlexec.RecordSet, err error) {
return nil, err
}
if len(switchGroupName) > 0 {
stmtCtx.ResourceGroupName = switchGroupName
group, err := rm.ResourceGroupCtl.GetResourceGroup(switchGroupName)
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BTW, Have we already checked when setting up a non-existent group?

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Considering that the records of QUERY WATCH and the resource group are decoupled, there is currently no check on the existence of the resource group when setting up. This allows for a more flexible configuration of QUERY WATCH and simplifies the code. Here are a few typical scenarios: we can set the corresponding resource group after adding SWITCH_GROUP; or after deleting a resource group, the corresponding runaway statements will not fail immediately.

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do we need some tests?

After trying, I found that the existing unit tests and integration tests could not test this situation well. I first completed the test manually and posted the test results in the PR description. PTAL.

@ti-chi-bot ti-chi-bot bot added approved needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Sep 20, 2024
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ti-chi-bot bot commented Sep 20, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: glorv, nolouch

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@ti-chi-bot ti-chi-bot bot added lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Sep 20, 2024
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ti-chi-bot bot commented Sep 20, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-09-20 08:35:07.940534368 +0000 UTC m=+1209377.680958304: ☑️ agreed by glorv.
  • 2024-09-20 09:47:05.943914819 +0000 UTC m=+1213695.684338758: ☑️ agreed by nolouch.

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/test unit-test

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@JmPotato: The specified target(s) for /test were not found.
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/test check-dev2

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@JmPotato: The specified target(s) for /test were not found.
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/test pull-integration-ddl-test

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@JmPotato: The specified target(s) for /test were not found.
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/test unit-test

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tiprow bot commented Sep 22, 2024

@JmPotato: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

  • /test fast_test_tiprow
  • /test tidb_parser_test

Use /test all to run all jobs.

In response to this:

/test unit-test

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@ti-chi-bot ti-chi-bot bot merged commit 1acbbec into pingcap:master Sep 22, 2024
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@JmPotato JmPotato deleted the bypass_switch_invalid_group branch September 22, 2024 14:48
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