txn: stop more statement executions if pessimistic transaction ttl ma…

…nager timed out (pingcap#15877) (pingcap#15886)

statistic: fix error when fast analyze on only indexes (pingcap#15889) (

pingcap#15968)

planner: correct the dbName for hint (pingcap#15319)

server: stop the server when writing binlog failed (pingcap#15324) (p…

…ingcap#15339)

executor: fix last_insert_id in auto_random mode (pingcap#15145) (pin…

…gcap#15149)

*: avoid goroutine leak and add test cases (pingcap#15076)

Merge master to v4.0 (pingcap#14898)

session: make unit test TestOptimisticConflicts more stable pingcap#1…

…4746 (pingcap#14789)

store/helper: fill data in the information.tidb_hot_table for partiti…

…oned table (pingcap#14331)

ddl: check if the dropping index is primary key when doing "drop inde…

…x `primary` on...". (pingcap#14122) (pingcap#14426)