guo-shaoge comments

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                                            guo-shaoge

missing check store state when get tiflash_mpp info

/assign @guo-shaoge

Adding counter and duration metrics for TiFlashMPPStore cache invalidation and loading

/assign @guo-shaoge

store/copr, kv, planner, executor: support dispatch tasks to tiflash ReadNode

/hold

store/copr, kv, planner, executor: support dispatch tasks to tiflash ReadNode

This pr need a cluster to test, I will write a test-infra case.

store/copr, kv, planner, executor: support dispatch tasks to tiflash ReadNode

/cc @XuHuaiyu

store/copr, kv, planner, executor: support dispatch tasks to tiflash ReadNode

/run-all-tests

store/copr, kv, planner, executor: support dispatch tasks to tiflash ReadNode

> When to reload tiflashMPPStore if there is no grpc error? How to scale-out？ It's best to let etcd notify tidb to refresh store cache. But we can't arbitrarily add...

store/copr, kv, planner, executor: support dispatch tasks to tiflash ReadNode

/build

expression: implement castTimeAsDuration function pushdown

/merge

Got can't find column error when IN/NOT IN is used

> release-4.0、release-5.0、release-5.1、release-5.2、release-5.3 and release-5.4 > > ``` > MySQL [test]> select * from stu where stu.name not in (select 'guo' from exam where exam.stu_id = stu.id); > +------+------+ > |...