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Fix the wrong result bug when casting string as datetime with time zone or illegal chars #9255

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merged 3 commits into from
Aug 9, 2024

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@solotzg solotzg commented Jul 25, 2024

What problem does this PR solve?

Issue Number: close #8754

Problem Summary:

What is changed and how it works?

Fix the wrong result bug when casting string as datetime with time zone or illegal chars
- func `getFracIndex` ignore time zone.
- func `parseFrac` ignore illegal suffix after microsecond format.

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

Fix the wrong result bug when casting string as datetime with time zone or illegal chars

@ti-chi-bot ti-chi-bot bot added do-not-merge/needs-linked-issue release-note-none Denotes a PR that doesn't merit a release note. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Jul 25, 2024
@pingcap pingcap deleted a comment from sre-bot Jul 25, 2024
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solotzg commented Jul 25, 2024

/run-all-tests

@ti-chi-bot ti-chi-bot bot added do-not-merge/needs-triage-completed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed do-not-merge/needs-linked-issue size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Jul 25, 2024
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solotzg commented Jul 25, 2024

/run-all-tests

@pingcap pingcap deleted a comment from sre-bot Jul 25, 2024
@solotzg solotzg changed the title test Fix the wrong result bug when casting string as datetime with time zone or illegal chars Jul 26, 2024
@ti-chi-bot ti-chi-bot bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed release-note-none Denotes a PR that doesn't merit a release note. labels Jul 26, 2024
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solotzg commented Aug 8, 2024

/run-all-tests

@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Aug 8, 2024
@solotzg solotzg requested a review from yibin87 August 8, 2024 09:38
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LGTM

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ti-chi-bot bot commented Aug 9, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: guo-shaoge, windtalker

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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 Aug 9, 2024
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ti-chi-bot bot commented Aug 9, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-08-08 07:34:12.375809259 +0000 UTC m=+510182.242908331: ☑️ agreed by guo-shaoge.
  • 2024-08-09 02:38:04.803775005 +0000 UTC m=+578814.670874095: ☑️ agreed by windtalker.

@ti-chi-bot ti-chi-bot bot merged commit 7b17f5b into pingcap:master Aug 9, 2024
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@solotzg solotzg deleted the fix-8754 branch August 9, 2024 02:42
@solotzg solotzg self-assigned this Aug 9, 2024
@ti-chi-bot ti-chi-bot bot added needs-cherry-pick-release-8.1 Should cherry pick this PR to release-8.1 branch. needs-cherry-pick-release-7.5 Should cherry pick this PR to release-7.5 branch. needs-cherry-pick-release-7.1 Should cherry pick this PR to release-7.1 branch. needs-cherry-pick-release-6.5 Should cherry pick this PR to release-6.5 branch. needs-cherry-pick-release-6.1 Should cherry pick this PR to release-6.1 branch. labels Aug 26, 2024
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In response to a cherrypick label: new pull request created to branch release-8.1: #9351.

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In response to a cherrypick label: new pull request created to branch release-7.5: #9352.

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In response to a cherrypick label: new pull request created to branch release-7.1: #9353.

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In response to a cherrypick label: new pull request created to branch release-6.5: #9354.

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In response to a cherrypick label: new pull request created to branch release-6.1: #9355.

ti-chi-bot bot pushed a commit that referenced this pull request Sep 2, 2024
…ne or illegal chars (#9255) (#9354)

close #8754

Fix the wrong result bug when casting string as datetime with time zone or illegal chars
- func `getFracIndex` ignore time zone.
- func `parseFrac` ignore illegal suffix after microsecond format.

Signed-off-by: Zhigao Tong <[email protected]>

Co-authored-by: TONG,Zhigao <[email protected]>
Co-authored-by: Zhigao Tong <[email protected]>
Co-authored-by: TONG, Zhigao <[email protected]>
ti-chi-bot bot pushed a commit that referenced this pull request Sep 20, 2024
…ne or illegal chars (#9255) (#9352)

close #8754

Fix the wrong result bug when casting string as datetime with time zone or illegal chars
- func `getFracIndex` ignore time zone.
- func `parseFrac` ignore illegal suffix after microsecond format.

Signed-off-by: Zhigao Tong <[email protected]>

Co-authored-by: TONG,Zhigao <[email protected]>
Co-authored-by: Zhigao Tong <[email protected]>
Co-authored-by: TONG, Zhigao <[email protected]>
ti-chi-bot bot pushed a commit that referenced this pull request Oct 31, 2024
…ne or illegal chars (#9255) (#9353)

close #8754

Fix the wrong result bug when casting string as datetime with time zone or illegal chars
- func `getFracIndex` ignore time zone.
- func `parseFrac` ignore illegal suffix after microsecond format.

Signed-off-by: Zhigao Tong <[email protected]>

Co-authored-by: TONG,Zhigao <[email protected]>
Co-authored-by: Zhigao Tong <[email protected]>
Co-authored-by: TONG, Zhigao <[email protected]>
ti-chi-bot bot pushed a commit that referenced this pull request Oct 31, 2024
…ne or illegal chars (#9255) (#9351)

close #8754

Fix the wrong result bug when casting string as datetime with time zone or illegal chars
- func `getFracIndex` ignore time zone.
- func `parseFrac` ignore illegal suffix after microsecond format.

Signed-off-by: Zhigao Tong <[email protected]>

Co-authored-by: TONG,Zhigao <[email protected]>
Co-authored-by: Zhigao Tong <[email protected]>
Co-authored-by: TONG, Zhigao <[email protected]>
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approved lgtm needs-cherry-pick-release-6.1 Should cherry pick this PR to release-6.1 branch. needs-cherry-pick-release-6.5 Should cherry pick this PR to release-6.5 branch. needs-cherry-pick-release-7.1 Should cherry pick this PR to release-7.1 branch. needs-cherry-pick-release-7.5 Should cherry pick this PR to release-7.5 branch. needs-cherry-pick-release-8.1 Should cherry pick this PR to release-8.1 branch. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/M Denotes a PR that changes 30-99 lines, ignoring generated files.
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cast string as datetime with time zone results in loss of precision
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