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the number of conflict rows is different when duplicate-resolution = replace and duplicate-resolution = remove #51694

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seiya-annie opened this issue Mar 12, 2024 · 1 comment
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the number of conflict rows is different when duplicate-resolution = replace and duplicate-resolution = remove #51694

seiya-annie opened this issue Mar 12, 2024 · 1 comment
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@lyzx2001
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affects-8.0 affects-8.1 This bug affects the 8.1.x(LTS) versions. component/lightning This issue is related to Lightning of TiDB. may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-6.1 may-affects-6.5 may-affects-7.1 may-affects-7.5 severity/major type/bug The issue is confirmed as a bug.

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@seiya-annie
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

  1. in 7.5.0, lightning import data with duplicate-resolution = remove, the conflict rows is 4540384
  2. in 8.0.0, lightning import same data with duplicate-resolution = replace, the conflict rows is 6810576
  3. select count(task_id) from lightning_task_info.conflict_error_v2 group by task_id limit 1;

2. What did you expect to see? (Required)

the number of conflict row is same

3. What did you see instead (Required)

conflict row in different version is not same

4. What is your TiDB version? (Required)

[2024/03/12 02:12:58.290 +00:00] [INFO] [info.go:52] ["Welcome to TiDB-Lightning"] [release-version=v8.0.0-alpha] [git-hash=f2ae6987cafdc46c45ea8f1a03b4e4618b5943ef] [git-branch=heads/refs/tags/v8.0.0-alpha] [go-version=go1.21.6] [utc-build-time="2024-03-10 11:39:58"] [race-enabled=false]
@seiya-annie seiya-annie added type/bug The issue is confirmed as a bug. severity/major component/lightning This issue is related to Lightning of TiDB. labels Mar 12, 2024
@ti-chi-bot ti-chi-bot added the affects-8.1 This bug affects the 8.1.x(LTS) versions. label Apr 9, 2024
@seiya-annie
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fixed in #52656

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@lyzx2001 lyzx2001

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affects-8.0 affects-8.1 This bug affects the 8.1.x(LTS) versions. component/lightning This issue is related to Lightning of TiDB. may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-6.1 may-affects-6.5 may-affects-7.1 may-affects-7.5 severity/major type/bug The issue is confirmed as a bug.
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@seiya-annie @ti-chi-bot @lyzx2001