* [TD-3197] <fix>: fix taosdemo coverity scan issues.

* [TD-3197] <fix>: fix taosdemo coverity scan issue.

fix subscribeTest pids uninitialized.

* [TD-3197] <fix>: fix taosdemo coverity scan issues.

* [TD-3197] <fix>: fix coverity scan issues.

check super tbl info pointer.

* [TD-3197] <fix>: fix coverity scan issues.

move sub tbl query thread join into loop

* [TD-3197] <fix>: fix coverity scan issues.

remove unused variable

* [TD-3197] <fix>: fix coverity scan issues.

use more secure random library

* [TD-3197] <fix>: fix coverity scan issues.

use strncpy for more safe

* [TD-3197] <fix>: fix taosdemo coverity scan issue.

replace arc4random with rand().

* [TD-3197] <fix>: fix coverity scan issues.

check stb info pointer for start time

* [TD-3197] <fix>: fix coverity scan issues.

fix strcpy vulnerability

* [TD-3197] <fix>: fix taosdemo coverity scan issue.

modify taosdemoTest2. try to check database continously.

* [TD-3197] <fix>: taosdemo coverity scan issues.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-3657]<fix>: sdbUpdateMnodeRoles before check mnodeAllOnline

[td-3662] <fix>: fix invalid write caused by top/bottom query.

* [TD-3653] <fix>: taosdemo json parameter cleanup.

* [TD-36553] <fix>: taosdemo parse configDir in cmdline test.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

Feature/qrefactor

[TD-3656]duplicated CQ for vnode with multiple replica

[TD-3654]fix negative time expression

[TD-3588]<test>: update test case

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

[TD-2639] <docs>: fix minor typo.

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

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

[TD-3458]<fix>: Fix the bug of losing tables in multiple replicas

* [TD-3607] <fix>: fix taosdemo buffer overflow.

* [TD-3607] <fix>: taosdemo buffer overflow.

add tmp buffer.

* [TD-3607] <fix>: taosdemo buffer overflow.

fix data generation.

* [TD-3607] <fix>: taosdemo buffer overflow.

fix normal table writting.

* [TD-3607] <fix>: taosdemo buffer overflow.

remove tail spaces.

* [TD-3607] <fix>: taosdemo buffer overflow.

fix taosdemo alter table test case.

* [TD-3607] <fix>: taosdemo buffer overflow.

fix taosdemo alter table case.

* [TD-3607] <fix>: taosdemo buffer overflow.

adjust limit offset count warning.

* [TD-3607] <fix>: taosdemo buffer overflow.

add more logic for child tables exist.

* [TD-3607] <fix>: taosdemo buffer overflow.

create database if database be dropped only.

* [TD-3607] <fix>: fix taosdemo buffer overflow.

adjust limit and offset test cases.

* [TD-3607] <fix>: taosdemo buffer overflow.

adjust sample data test case.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-3569]fix taosd mem leak issue

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

[TD-3649] <docs>: fix minor typo.