* cherry pick from develop branch.

* cherry pick from develop branch.

* add static lib link.

[TD-4601]modify error msg

[TD-4620]client crash when insert long string column

* change

* remove test cases not available for master branch
Co-authored-by: NPing Xiao <pxiao@taosdata.com>

END TIME DEALAY 24 HOURS HAS PROBLEMS

[TD-4564]fix string issue

Kill Connection cause taosd crash

[TD-3938]<test>: add script to detect coredump file

[TD-4548]fix tag string quote issue

fix install py connector in jenkins

* [TD-4025]<fix>: travis ci broken due to valgrind dependency missed.

* [TD-4025]<fix>: travis ci broken due to valgrind dependency missed.

change focal to bionic.

* [TD-4025]<fix>: travis ci broken due to valgrind dependency missed.

install python3.8

* [TD-4025]<fix>: travis ci broken due to valgrind dependency missed.

install python3.8 and pip, setuptools

* [TD-4025]<fix>: travis ci broken due to valgrind dependency missed.

install python3.8, and install pip and setuptools

* [TD-4025]<fix>: travis ci broken due to valgrind dependency missed.

modify smoketest.sh to python3.8

* fix timezone build error with clang/linux.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

PR check primary column type must timestamp if project query

[TD-4412]<fix>: add new configuration parameter for db option cachelast

[TD-4523] add test case 

[TD-4395]update test-all.sh

CQ Fix QueryInfo->window.ekey not align sliding value when pStream->stime == INT64_MIN