* restore .gitmodules

* Revert "[TD-13408]<test>: move tests out"

This reverts commit 3b050c8b64175c0d26b6bcafcba6c5a68ebf1477.

* revert 3b050c8b64175c0d26b6bcafcba6c5a68ebf1477

* immigrate file change from stand-alone repo to TDengine

for 2.4

* remove tests repository checkout
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

* [TD-13408]<test>: move tests out

for 2.4 branch

* add Jenkinsfile2
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

(query,insert,others):second parameter of mavg can not be expression and core dump due to mavg result is 0 row since second parameter exceed rows of one timeline

[TD-12614]<fix>(query): Functions related to timeline should not support inner query group by tbname

[TD-12614]<fix>(query): Functions related to timeline should not support inner query group by tbname

[TS-2016](query,insert,other,connector,tools):fix app error of select from (select * from empty_stable) by set subquery command to retrieve empty results

TD-12145: outer query use ts from program generated column and disable _co as aliasname and use primary timestamp as first column