executor,infoschema: Change column type on information_schema.CLUSTER_INFO

[dveeden]

Issue Number: close #45221

Related: #24858

What problem does this PR solve?

The START_TIME column of information_schema.CLUSTER_INFO was a VARCHAR with values like 2021-11-15T07:32:19+01:00. This changes the column to be a MySQL datetime format.

What is changed and how it works?

Check List

Tests

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

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

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

Release note

The type of the `START_TIME` column of the `CLUSTER_INFO` table in the `information_schema` was changed from a `VARCHAR` to `DATETIME`.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• morgo

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[dveeden]

/cc @yzwqf @crazycs520

[ti-chi-bot]

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[dveeden]

/cc @morgo

[morgo]

LGTM. I think the CI failure is unrelated

[wjhuang2016]

Is it ok to remove the suffix +08:00?

[dveeden]

Is it ok to remove the suffix +08:00?

I think it is. Do you see any problem with that?

[wjhuang2016]

Is it ok to remove the suffix +08:00?

I think it is. Do you see any problem with that?

I'm not sure, maybe we should request other people to review it.

[dveeden]

@wjhuang2016 Any suggestions for additional reviewers?

[mjonss]

Is it possible to create a test case for this PR?

[codecov]

Codecov Report

Merging #29771 (ddbe621) into master (3d176fc) will increase coverage by 1.5331%.
Report is 11 commits behind head on master.
The diff coverage is 100.0000%.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #29771        +/-   ##
================================================
+ Coverage   71.1018%   72.6349%   +1.5330%     
================================================
  Files          1365       1389        +24     
  Lines        404348     414551     +10203     
================================================
+ Hits         287499     301109     +13610     
+ Misses        96883      94539      -2344     
+ Partials      19966      18903      -1063     

Flag	Coverage Δ
integration	43.9944% <0.0000%> (?)
unit	71.1115% <100.0000%> (+0.0096%)	⬆️

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

Components	Coverage Δ
dumpling	53.9874% <ø> (ø)
parser	∅ <ø> (∅)
br	48.3831% <ø> (-4.7056%)	⬇️

[dveeden]

/retest

[dveeden]

/test unit-test

[tiprow]

@dveeden: The specified target(s) for /test were not found.
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Use /test all to run all jobs.

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/test unit-test

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: crazycs520, morgo, wjhuang2016

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Needs approval from an approver in each of these files:

• OWNERS [crazycs520,morgo,wjhuang2016]
• pkg/infoschema/OWNERS [wjhuang2016]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-17 12:44:38.981266244 +0000 UTC m=+4425876.568376391: ☑️ agreed by wjhuang2016.
• 2023-11-22 07:48:01.896411016 +0000 UTC m=+390510.561637208: ☑️ agreed by crazycs520.

[ti-chi-bot]

@dveeden: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-br-integration-test	54d5206	link	true	/test pull-br-integration-test
idc-jenkins-ci-tidb/unit-test	ddbe621	link	unknown	/test unit-test

Full PR test history. Your PR dashboard.

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[dveeden]

/retest