* [TD-10689]optimize memory using for arm platform

* [TD-10689]optimize memory using for arm platform(master)

* fix

* remove empty line

* remove escape Char

* resolve conflict:

* remove unused variables
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

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

* 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.

* fix coverity scan issue.

* fix two more coverity scan issues.

* fix stmt batch coverity scan issue.

* change to portable format.

* fix coverity scan issue

* [TD-10578]<fix>: taosdemo rest interface slow.

* fix missed 200

* fix taosdemo coverity scan issue.

* fix taosdemo coverity scan issue.

* fix taosdemo testcase for restful result.

* make master taosdemo rest logic same as develop

* modify taosdemo param to reflect current tbname prefix.

* remove chmod to make script keep same mod.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

Enhance/ts 493 m - lazy load cache last

Feature/ts 463: grant check for query while not for write/show

merge from 2.0 branch to master

useless code in STMT demo

[TS-361]<fix>: fixed count of query was incorrect when 'like' was used

[TS-471]<fix>: fixed that queries in timezone with DST were incorrect

[TS-336]<fix>:don't need return -1,when update sql done

fix compilation on ubuntu 2110

[TD-10735]<fix>:use different cumsum type for signed/unsigned/double input type

Szhou/hotfix/td 10683

Feature/td 10708 regex match support for nchar

Fix/td 10399  fix error tips because of overflowing of convert time precision & invalidate tips in function of derivative

* [TD-10469]<feature>: use blm to replace httpd

* add blm3 as submodule and modify the install script.

* make http disabled by default.

* use external project for go build.

* make install and systemctl works.

* change blm3 to official repo.

* fix alert build missing sqlx package.

* update README regarding golang env setup.

* remove blm3.

* modify script to support blm3

* <test>udpate submodule in CI

* update jenkinsfile

* update blm3 with statsd port changed and config file name changed.

* still use tdengine's httpd for lite version.

* include blm.toml in released packages.

* merge with develop branch.

* update grafana plugin to support telegraf.

* fix python test framework

* fix blm3.toml name

* comment off restful test for blm3 CI.

* fix blm.toml name

* comment off http related case for blm3.

* fix cmake define.inc for windows build

* update grafanaplugin

* update blm3

* update grafana.

* update grafana plugin to support statsd.

* update blm3 to support lower version go.

* update grafanaplugin and blm3 bugfix.

* update grafana plugin, dashboard name changed.

update blm3 for cinterface error code.

* disable blm3 in arm32

* support blm3 --version

* change cmake minimum version requirement from 2.8 to 3.0

* pull latest blm3 c67fcc11bc5e82e3d7aea8db855a8cbf8b109239

* update blm3 to 2021/10/22.

* support BUILD_HTTP false.

* fix one line in post.sh
Co-authored-by: Nliuyq-617 <yqliu@taosdata.com>

Fixed issue where wasNull=true could not be assigned because the previous value wasNull

fix Windows compile