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alter column set default wrongly modify information_schema #31074

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wjhuang2016 opened this issue Dec 28, 2021 · 1 comment · Fixed by #32249
Closed

alter column set default wrongly modify information_schema #31074

wjhuang2016 opened this issue Dec 28, 2021 · 1 comment · Fixed by #32249
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@bb7133
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affects-4.0 This bug affects 4.0.x versions. affects-5.0 This bug affects 5.0.x versions. affects-5.1 This bug affects 5.1.x versions. affects-5.2 This bug affects 5.2.x versions. affects-5.3 This bug affects 5.3.x versions. severity/major sig/sql-infra SIG: SQL Infra 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)

Modify code the make alter column slow.

origin_img_v2_91b72c02-323a-4a78-8360-9e5488eceabg

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

default 17

3. What did you see instead (Required)

default 18

4. What is your TiDB version? (Required)

master
@wjhuang2016 wjhuang2016 added type/bug The issue is confirmed as a bug. affects-4.0 This bug affects 4.0.x versions. affects-5.0 This bug affects 5.0.x versions. affects-5.1 This bug affects 5.1.x versions. affects-5.2 This bug affects 5.2.x versions. affects-5.3 This bug affects 5.3.x versions. sig/sql-infra SIG: SQL Infra severity/major labels Dec 28, 2021
@yudongusa
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@bb7133 assign this to you first.

@wjhuang2016 wjhuang2016 mentioned this issue Feb 11, 2022
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ti-chi-bot pushed a commit that referenced this issue Feb 11, 2022
@wjhuang2016
ddl: fix alter column set default wrongly updates the schema (#32249)
6d2ad99 
close #31074
This was referenced Feb 11, 2022
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ti-chi-bot pushed a commit that referenced this issue Feb 23, 2022
@ti-srebot
ddl: fix alter column set default wrongly updates the schema (#32249)…
840c6a4 
… (#32264)

close #31074
@guo-shaoge guo-shaoge mentioned this issue Feb 25, 2022
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@bb7133 bb7133

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affects-4.0 This bug affects 4.0.x versions. affects-5.0 This bug affects 5.0.x versions. affects-5.1 This bug affects 5.1.x versions. affects-5.2 This bug affects 5.2.x versions. affects-5.3 This bug affects 5.3.x versions. severity/major sig/sql-infra SIG: SQL Infra type/bug The issue is confirmed as a bug.
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ddl: fix alter column set default wrongly updates the schema wjhuang2016/tidb
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@bb7133 @wjhuang2016 @yudongusa