lance6716 comments

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                                            lance6716

add index can not be canceled timely

To improve the speed of `getRangeEndKey`, we can concurrently execute them.

importinto: explicitly return error for SET subquery

/retest

importinto: explicitly return error for SET subquery

/retest

importinto: explicitly return error for SET subquery

/retest

importinto: explicitly return error for SET subquery

/retest

engine job can't be stopped

[df.tar.gz](https://github.com/pingcap/tiflow/files/9400343/df.tar.gz)

engine job can't be stopped

caused by https://github.com/pingcap/tiflow/issues/6749

tidb lightning encountered error: [Lightning:PreCheck:ErrCheckTableEmpty]check table empty error: check table contains data failed: check table empty failed: Error 1105 (HY000): PD returned no region, range num: 1, limit: 128

lightning uses SQL to do the precheck ``` [2024/06/27 15:13:13.457 +08:00] [INFO] [conn.go:1162] ["command dispatched failed"] [conn=3080716336] [session_alias=] [connInfo="id:3080716336, addr:127.0.0.1:37034 status:10, collation:utf8mb4_general_ci, user:root"] [command=Query] [status="inTxn:0, autocommit:1"] [sql="SELECT 1 FROM `restore_tsr`.`tbl20`...

tidb lightning encountered error: [Lightning:PreCheck:ErrCheckTableEmpty]check table empty error: check table contains data failed: check table empty failed: Error 1105 (HY000): PD returned no region, range num: 1, limit: 128

can you check it @okJiang

tidb lightning encountered error: [Lightning:PreCheck:ErrCheckTableEmpty]check table empty error: check table contains data failed: check table empty failed: Error 1105 (HY000): PD returned no region, range num: 1, limit: 128

Fixed by https://github.com/pingcap/tidb/pull/54365