* [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.

* [TD-3197] <fix>: fix memory leak when parsing arguments.

* [TD-3197] <fix>: fix cmake strip arguments.

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

fix cmake string manipulation.

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

configDir buffer overwrite.

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

taosdump argument validation.

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

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

append result buf to file. for develop branch.

* exit if read sample file failed.

* fix converity scan issue.

* fix coverity scan issue.

* fix coverity scan memory leak.

* fix resource leak reported by coverity scan.

* fix taosdemo coverity scan issue.

* fix tcsetattr and getchar return value determination bug.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

[TD-2639] <docs>: describe version dependency of cacheLast parameter.

* [TD-5772]<fix>: arm64 compilation problem.

* [TD-5772]<fix>: arm64 compilation problem.

* [TD-5772]<fix>: arm64 compilation problem.

* [TD-5772]<fix>: arm64 compilation problem.

* [TD-5772]<fix>: arm64 compilation problem.

* [TD-5772]<fix>: arm64 compilation problem.

* [TD-5772]<fix>: arm64 compilation problem.

[TD-4555] <docs>: update example code about SQL function DERIVATIVE().

[TD-4555] <docs>: add example code about SQL function DERIVATIVE().

[TD-6233]<enhance>: make column compression threshold user configurable

[TD-6011]<fix>: where clause including 'bool' Keyword causes core dump

[TD-5331] <docs>: describe stmt function for inserting data into mult…

[TD-5331] <docs>: describe stmt function for inserting data into multi sub-tables belong to one same super table.

* [TD-6241]<fix>: fix unexpected nan while inserting None as float/double type

* [TD-6241]<fix>: fix binary bind error in python connector

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

Fix/td 6207 develop

[TD-4352]compact tsdb meta data feature

[TD-6165]<enhance>: use memcpy to replace wcsncmp for nchar type comparision

* [TD-5844]<feature>: make cmd line parameter similar.

* fix test case align with taosdemo change.

* fix windows stack overflow issue.

* fix mac compile error.

* fix taosdemo cmdline parameter in tests/pytest/tools/taosdemoAllTest/NanoTestCase/taosdemoTestSupportNanoInsert.py

* fix windows compiler options.

* make taos.exe use mysql style password input.

* make taos shell and taosdump use mysql style password input.

* determine scanf return value.

* make console echo off during password input.

* use one macro to define password length.

* fix --password. change taos shell '-z' for timezone

* [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.

* fix typo.

* fix binary length default value and group id logic.

* fix help msg.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

Feature/query

[TD-6184]<enhance>: optimize insert from imported file

Update docs.md

add jdbc driver’s compatibility description

suggest use taos-jdbcdriver-2.0.34

[TD-4181] <docs>: move intro part to be the beginning of Java doc.