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sink/mysql(ticdc): clean up old values of table (#5115) #5147

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This is an automated cherry-pick of #5115

What problem does this PR solve?

Issue Number: close #4464

What is changed and how it works?

old table values cleaned in Barrier. More details: #4464 (comment)

Check List

Tests

Code changes

  • Has exported function/method change

Side effects

None

Related changes

  • Need to cherry-pick to the release branch

Release note

Fix chengefeed getting stuck when tables are repeatedly scheduled in the same node

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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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. do-not-merge/cherry-pick-not-approved labels Apr 12, 2022
@ti-chi-bot ti-chi-bot added area/ticdc Issues or PRs related to TiCDC. component/sink Sink component. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. status/LGT2 Indicates that a PR has LGTM 2. type/bugfix This PR fixes a bug. type/cherry-pick-for-release-5.4 This PR is cherry-picked to release-5.4 from a source PR. labels Apr 12, 2022
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Apr 19, 2022
@VelocityLight VelocityLight added do-not-merge/cherry-pick-not-approved and removed cherry-pick-approved Cherry pick PR approved by release team. labels May 16, 2022
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area/ticdc Issues or PRs related to TiCDC. component/sink Sink component. do-not-merge/cherry-pick-not-approved release-note Denotes a PR that will be considered when it comes time to generate release notes. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. status/LGT2 Indicates that a PR has LGTM 2. type/bugfix This PR fixes a bug. type/cherry-pick-for-release-5.4 This PR is cherry-picked to release-5.4 from a source PR.
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3 participants