ddl, owner: refresh ddl sequence cache after becoming the owner #35516
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Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
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Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/5319a220083455b5130cc796d49e82cd8f7ef8d5 |
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cherry pick to release-6.1 in PR #35713 |
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* upstream/master: (38 commits) planner: disable collate clause support for enum or set column (pingcap#35684) *: Provide a util to "pause" session in uint test (pingcap#35529) ddl: implement the core for multi-schema change (pingcap#35429) parser: XXXDatabaseStmt now use CIStr for DB name (pingcap#35668) *: remove real tikv test on github actions (pingcap#35710) lightning: support disable scheduler by key range (pingcap#34130) Revert "planner: fix the wrong cost formula of MPPExchanger" (pingcap#35707) ddl, owner: refresh ddl sequence cache after becoming the owner (pingcap#35516) store/copr: fix tiflash integration test by disable paging on tiflash (pingcap#35674) planner: new cost formula for IndexJoin (pingcap#35671) BR: fix backup ranges total time summary log (pingcap#35552) raw_restore: fix the issue that raw restore rewrite the t prefix keys (pingcap#35641) table: fix cannot find the temp table when it's created in a transaction (pingcap#35663) metrics: replace histogram with counter for DistSQLCoprCache (pingcap#35514) *: enable exportloopref (pingcap#35680) types: fix bad error message for numeric conversion issue#32744 (pingcap#34047) *: enable ineffassign (pingcap#35670) config, sysvar: map `max-server-connections` to `max_connections` (pingcap#35453) *: enable durationcheck for nogo linter (pingcap#35661) *: fix issue of cast string as time is incompatible with MySQL (pingcap#35455) ...
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Signed-off-by: wjhuang2016 huangwenjun1997@gmail.com
What problem does this PR solve?
Issue Number: close #35513
Problem Summary:
We init the ddl sequence cache when ddl gets start. But if it's not owner anymore, the cache is out of date.
We should refresh it after a TiDB becomes the owner.
What is changed and how it works?
Add a callback function for ownerManager.
Check List
Tests
As I did in seq_num may be duplicate #35513, the DDL sequence is unique now.
Side effects
Documentation
Release note
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