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ddl: Fix sync empty schema diff (#8623) #8626
ddl: Fix sync empty schema diff (#8623) #8626
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/run-all-tests |
/run-all-tests |
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/run-integration-test |
[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: JaySon-Huang, Lloyd-Pottiger The full list of commands accepted by this bot can be found here. The pull request process is described here
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This is an automated cherry-pick of #8623
What problem does this PR solve?
Issue Number: close #8578 close #8289
Problem Summary: When there is conflict in concurrency DDL, it will skip some schema version, which generate an empty SchemaDiff.
What is changed and how it works?
Skip when meets an empty SchemaDiff in the non-latest schema version
As that in the relese-7.1 branch #8578 (comment)
tiflash/dbms/src/TiDB/Schema/TiDBSchemaSyncer.h
Lines 233 to 262 in 9f7e054
Refine the readme of running integration tests in local
Check List
Tests
Side effects
Documentation
Release note