txn: manage the initialization of RCCheckTS by transaction context provider #35554
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Signed-off-by: SpadeA-Tang <[email protected]>
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| // Try to mark the `RCCheckTS` flag for the first time execution of in-transaction read requests | ||
| // using read-consistency isolation level. | ||
| if node != nil && NeedSetRCCheckTSFlag(p.sctx, node) { | ||
| p.sctx.GetSessionVars().StmtCtx.RCCheckTS = true |
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In session.ExecutePreparedStmt , the OnStmtStart will be called before ResetContextOfStmt so RCCheckTS will always be false
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Yes, we should move the ResetContextOfStmt.
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TiDB MergeCI notify🔴 Bad News! [2] CI still failing after this pr merged.
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…vars * upstream/master: (28 commits) *: enable unconvert (pingcap#35821) log-backup: check timezone when using datatime format ts string (pingcap#35811) planner: support the leading hint for outer join (pingcap#35264) lightning: revert new policy of allocating rowid and refine it later (pingcap#35817) txn: manage the initialization of RCCheckTS by transaction context provider (pingcap#35554) ddl: make output field name in `show tables/databases stmt` compatible with mysql (pingcap#35136) txn: remove `legacy.SimpleTxnContextProvider` (pingcap#35667) txn: fix the error message if retry could not be used for rc check ts (pingcap#35474) *: support canceling DDL statements with KILL (pingcap#35803) lightning: avoid extracting db schema when schema file is not provided (pingcap#35783) *: enable all gosimples (pingcap#35762) tools/check: skip 'tests' directory in 'make ut' (pingcap#35800) metrics: add loading region cache duration (pingcap#34679) ddl: DROP TABLE/VIEW/SEQUENCE now use XXXStmt as parameter (pingcap#35741) types: fix incompatible implementation of jsonpath extraction (pingcap#35320) planner: fix TRACE PLAN TARGET = 'estimation' panic when meeting partition table (pingcap#35743) *: Add `testfork.RunTest` to run multiple tests in one function (pingcap#35746) sessionctx/variable: add tests to ensure skipInit can be removed (pingcap#35703) helper: request another PD if one of them is unavailable (pingcap#35750) metrics: add cached table related metrics to grafana panel (pingcap#34718) ...
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Signed-off-by: SpadeA-Tang [email protected]
What problem does this PR solve?
Issue Number: close #35497
Problem Summary:
Move the management of the initialization of RCCheckTS from
ResetContextOfStmttoTxnContextProvider.To support this movement, add a new field in txnManager:
stmtNode.What is changed and how it works?
Check List
Tests