expression: make a copy when retrieving json path expression from cache #38285
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Signed-off-by: xiongjiwei <xiongjiwei1996@outlook.com>
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This pull request has been accepted and is ready to merge. Commit hash: 4ce426c
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TiDB MergeCI notify🔴 Bad News! New failing [2] after this pr merged.
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…mprovements * upstream/master: (56 commits) expression: make a copy when retrieving json path expression from cache (pingcap#38285) executor: make unit test TestIssue21732 stable (pingcap#38278) variables: enable variable hook to access storage (pingcap#38227) docs: update roadmap description (pingcap#38253) systable: Adapt with TiFlash system table update (pingcap#38191) planner, util/ranger: restrict mem usage for index join inner ranges (pingcap#38129) planner: separate cost model ver1/ver2 into different files (part 2) (pingcap#38273) metrics: Add IOPs, Disk Throughput to the overview dashboard (pingcap#38270) planner: refine index join range display for clustered index (pingcap#38259) *: delete `mInFlashbackCluster` related codes (pingcap#38241) session: turn the transaction to pessimistic mode when retrying (pingcap#38130) executor: enable race for executor/aggfuncs (pingcap#38262) planner: reopen CTE in apply only when correlate (pingcap#38214) planner: enable revive (pingcap#36649) *: add foreign key constraint check when execute update statement (pingcap#38156) *: DATA RACE in the temptable.AttachLocalTemporaryTableInfoSchema (pingcap#38237) executor,sessionctx: enable coprocessor paging and make TestCoprocessorPagingSize stable (pingcap#38161) domain: fix data race in the Domain.bindHandle (pingcap#38223) test: add information if test failed (pingcap#38234) preprocessor, planner: inline processing by default for single-consumer cte (pingcap#37800) ...
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Signed-off-by: xiongjiwei xiongjiwei1996@outlook.com
What problem does this PR solve?
Issue Number: ref #38230
Problem Summary:
there is some evidence that shows the data in json path cache is broken, we'd better make a copy when retrieving it
What is changed and how it works?
Check List
Tests
Release note
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