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tidb panic when modifying column while doing some DML operations. #38791

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wjhuang2016 opened this issue Nov 1, 2022 · 0 comments · Fixed by #38794
Closed

tidb panic when modifying column while doing some DML operations. #38791

wjhuang2016 opened this issue Nov 1, 2022 · 0 comments · Fixed by #38794
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affects-6.3 severity/major type/bug The issue is confirmed as a bug.

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@wjhuang2016
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

Use sysbench with oltp_writeonly workload, and modify the column type.

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

No error

3. What did you see instead (Required)

It may panic sometime.

4. What is your TiDB version? (Required)

6.3.0 master
@wjhuang2016 wjhuang2016 added type/bug The issue is confirmed as a bug. severity/major labels Nov 1, 2022
@ti-chi-bot ti-chi-bot added may-affects-4.0 This bug maybe affects 4.0.x versions. may-affects-5.0 This bug maybe affects 5.0.x versions. may-affects-5.1 This bug maybe affects 5.1.x versions. may-affects-5.2 This bug maybe affects 5.2.x versions. may-affects-5.3 This bug maybe affects 5.3.x versions. may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-6.0 may-affects-6.1 may-affects-6.2 may-affects-6.3 labels Nov 1, 2022
@wjhuang2016 wjhuang2016 added affects-6.3 and removed may-affects-4.0 This bug maybe affects 4.0.x versions. may-affects-5.1 This bug maybe affects 5.1.x versions. may-affects-5.2 This bug maybe affects 5.2.x versions. may-affects-5.3 This bug maybe affects 5.3.x versions. may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-5.0 This bug maybe affects 5.0.x versions. may-affects-6.0 may-affects-6.1 may-affects-6.2 may-affects-6.3 labels Nov 1, 2022
@wjhuang2016 wjhuang2016 mentioned this issue Nov 1, 2022
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@wjhuang2016 wjhuang2016 changed the title tidb panic when modifying column while doing some MDL operations. tidb panic when modifying column while doing some DML operations. Nov 1, 2022
ti-chi-bot pushed a commit that referenced this issue Nov 3, 2022
@wjhuang2016
planner, session: use SessionExtendedInfoSchema if snapshot isn't set (…
5ee578c 
…#38794)

close #38791
@ti-chi-bot ti-chi-bot mentioned this issue Nov 3, 2022
Closed
12 tasks
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planner, session: use SessionExtendedInfoSchema if snapshot isn't set wjhuang2016/tidb
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