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when use "strict" collation compatibility, DM syncer may generate unexpected ddl #6832

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lance6716 opened this issue Aug 22, 2022 · 0 comments · Fixed by #6833
Closed

when use "strict" collation compatibility, DM syncer may generate unexpected ddl #6832

lance6716 opened this issue Aug 22, 2022 · 0 comments · Fixed by #6833
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affects-6.1 area/dm Issues or PRs related to DM. severity/moderate This is a moderate bug. type/bug This is a bug.
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@lance6716
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What did you do?

like pingcap/tidb#37241

"create table `test`.`t1` (name varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)",

will become

"CREATE TABLE `test`.`t` (`name` VARCHAR(20) CHARACTER SET UTF8MB4 COLLATE utf8mb4_general_ci COLLATE utf8mb4_bin)",

What did you expect to see?

No response

What did you see instead?

No response

Versions of the cluster

master

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

(paste current status of DM cluster here)
@lance6716 lance6716 added type/bug This is a bug. area/dm Issues or PRs related to DM. affects-6.1 labels Aug 22, 2022
@github-actions github-actions bot added this to Need Triage in Question and Bug Reports Aug 22, 2022
@lance6716 lance6716 mentioned this issue Aug 22, 2022
Merged
@lance6716 lance6716 added the severity/moderate This is a moderate bug. label Aug 22, 2022
ti-chi-bot pushed a commit that referenced this issue Aug 22, 2022
@lance6716
syncer(dm): fix collation compatibility behaviour (#6833)
750f0e4 
close #6832
Question and Bug Reports automation moved this from Need Triage to Done Aug 22, 2022
@ti-chi-bot ti-chi-bot mentioned this issue Aug 22, 2022
Merged
ti-chi-bot added a commit that referenced this issue Oct 25, 2022
@ti-chi-bot
syncer(dm): fix collation compatibility behaviour (#6833) (#6846)
1572212 
close #6832
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affects-6.1 area/dm Issues or PRs related to DM. severity/moderate This is a moderate bug. type/bug This is a bug.
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syncer(dm): fix collation compatibility behaviour lance6716/ticdc
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