[td-6395]<enhance>: use the keyword "every" instead of keyword of "interval" in the where clause in case of point interpolation query.

[TD-6264]<hotfix>:backport _block_dist() from 2.1 to 2.0 to fix core dump due to tbuf length limitation

* [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

* make taos.exe use mysql style password input.

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

* determine scanf return value.

* cherry pick from develop/feature branch.

* cherry pick with ab6cde02

* cherry pick with d6bfe443Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [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