executor: fix load data panic if the data is broken at escape charact…

…er (pingcap#30868) (pingcap#31774)

close pingcap#31589

session: fix global sysdate_is_now won't work (pingcap#32785)

close pingcap#32784

planner: make queries with the extra column `_tidb_rowid` can use Poi…

…ntGet (pingcap#31552) (pingcap#32704)

* fixup

executor: fix load data panic if the data is broken at escape charact…

…er (pingcap#30868) (pingcap#31773)

close pingcap#31589

sessionctx/variable: add audit redact switch for release-4.0 (pingcap…

…#32691)

variables: add constraints on tidb_super_read_only when tidb_restrict…

…ed_read_only is turned on (pingcap#31746) (pingcap#31842)

close pingcap#31745

expression: fix date format identifies '\n' as invalid separator (pin…

…gcap#32… (pingcap#32391)

* expression: fix date format identifies '\n' as invalid separator (pingcap#32358)

*: add pushdown for ShowStmt and implement for show columns (pingcap#…

…31742) (pingcap#31866)

* cherry pick pingcap#31742 to release-5.4

Signed-off-by: ti-srebot <[email protected]>

statistics: change default value of tidb_analyze_version to 1 (pingca…

…p#31826)

close pingcap#31748