add method in util/sql.py---getColNameList() and checkColNameList

add testcase query/queryCnameDisplay.py

add method in util/sql.py---getColNameList() and checkColNameList

add testcase query/queryCnameDisplay.py

* [TD-5136]<feature>: taosdemo simulate real senario.

* update test case according to taosdemo change

* adjust range of semi-random data.

* make demo mode use different tag name and value.

* change malloc to calloc for pid allocation.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-5222]<fix>: fix interval query crash issue

Remove unused code

* [TD-5136]<feature>: taosdemo simulate real senario.

* update test case according to taosdemo change

* adjust range of semi-random data.

* make demo mode use different tag name and value.

* [TD-5242]<feature>: taosdemo support max columns align with TSDB defines.

Co-authored-by: Nweicz <weicz@runlion.com>

[TD-2574]<enhance>: refactored algorithms for top and bottom functions.

[td-5153]<fix>: fix the tbname query bug in outer query.

[TD-5255] <docs>: update getting-start doc to fit latest taosdemo fea…

[TD-5150]<fix>: fix unitialized semaphore when running test suites on MacOS

Feature/szhou/sync home office

modify all release scripts  to adding  "beta" in package name  

[TD-5142]add timezone comments for windows

Docs/update latest feature

Feature/query