test: tests call `collate.SetNewCollationEnabledForTest` should run i…

…n serial (pingcap#29325)

executor: fix 'index out of range' issue in index lookup join (pingca…

…p#23755) (pingcap#29250)

* executor: fix 'index out of range' issue in index lookup join (pingcap#23755)

Signed-off-by: lzmhhh123 <[email protected]>

cherry pick PR#29057 about sending schemas in exchangeSender (pingcap…

…#29211)

Balance with continuity. (pingcap#28981)

session: fix set session variable make tidb_snapshot unwork (pingcap#…

…28677) (pingcap#28683)

sessionctx: fix data-race bug when alloc task id (pingcap#28022) (pin…

…gcap#28742)

Co-authored-by: Han Fei <[email protected]>
Co-authored-by: zhouqiang <[email protected]>

*: record result_rows in statements_summary and slow log (pingcap#28479…

…) (pingcap#28752)

* add result set in slow-log

Signed-off-by: crazycs520 <[email protected]>

ddl, executor: fix test race in terror (pingcap#25405) (pingcap#28198)

util/logutil: Remove useless grpc log in production (pingcap#25454) (p…

…ingcap#27238)