* restore .gitmodules for master

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

This reverts commit 16a385a8336e66c4d247ac0bc6aa07e7e1e39dc8.

* immigrate file change from stand-alone repo to TDengine

for master

* remove tests repository checkout

* remove examples in CMakeLists.txt
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

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

for master branch

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

* [TD-5398]<fix>: taosdemo 4096 columns table creation failed.

* change column name prefix from col to c for maxium column number to fix buffer length.

* use accurate buffer length.

* fix test case for column name be shorter.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-5398]<fix>: taosdemo 4096 columns table creation failed.

* change column name prefix from col to c for maxium column number to fix buffer length.

* fix test case for column name be shorter.

* use accurate buffer length.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-3401]<fix>: taosdemo query statistic.

refactor func name.

* [TD-3401]<fix>: taosdemo query statistic.

refactor func name 2.

* [TD-3401]<fix>: taosdemo support query statistic.

implementation.

* cleanup
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-3683]<fix>: reduce buffer size for more stable table creation.

* [TD-3683]<fix>: taosdemo create lots of tables.

clean up.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>