[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.

[TD-6174] <docs>: remove links to Chinese pages in English "doc/getti…