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optimistic: sharding DDL incorrect after stop a source #3629

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GMHDBJD opened this issue Nov 26, 2021 · 2 comments · Fixed by #3903
Closed

optimistic: sharding DDL incorrect after stop a source #3629

GMHDBJD opened this issue Nov 26, 2021 · 2 comments · Fixed by #3903
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@lichunzhu
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area/dm Issues or PRs related to DM. severity/moderate type/bug The issue is confirmed as a bug.

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@GMHDBJD
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GMHDBJD commented Nov 26, 2021 •
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What did you do?

start an optimistic task with 3 sources

stop-task <task> -s source1
source2 drop column1
source3 drop column1

What did you expect to see?

downstream drop column1

What did you see instead?

downstream doesn't drop column 1

Versions of the cluster

DM version (run dmctl -V or dm-worker -V or dm-master -V):

master

current status of DM cluster (execute query-status <task-name> in dmctl)

(paste current status of DM cluster here)
@GMHDBJD GMHDBJD added type/bug The issue is confirmed as a bug. area/dm Issues or PRs related to DM. labels Nov 26, 2021
@GMHDBJD
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GMHDBJD commented Nov 26, 2021 

stop-task
remove source3 in task file
start-task

also not working

@GMHDBJD
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GMHDBJD commented Nov 26, 2021

pessimistic is working

@lichunzhu lichunzhu self-assigned this Dec 14, 2021
@GMHDBJD GMHDBJD mentioned this issue Dec 22, 2021
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ti-chi-bot pushed a commit that referenced this issue Feb 7, 2022
@GMHDBJD
Optimistic: support start task with inconsistent upstream table schema (
5c7d238 
#3903)

close #3629
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area/dm Issues or PRs related to DM. severity/moderate type/bug The issue is confirmed as a bug.
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Optimistic: support start task with inconsistent upstream table schema GMHDBJD/tiflow
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@lichunzhu @GMHDBJD