* fix few coverity scan issues.

* fix coverity scaned memory leak.

* [TD-10530]<fix>: taosdump infinite loop

query table des fail on normal table.
and value is NULL.

* fix binary string with quote symbol

* [TD-7790]<fix>: taosdump stb dump memory leak.

* merge from develop branch.

* fix buffer overflow issue.

* [TD-6280]<fix>: taosdump -P determine input.

* fix mistake range.

* [TD-10416]<fix>: taosdump if no any arguments given.

* cherry pick from develop branch.

* [TD-6479]<fix>: taosdump cmdline align for database sequence.

adopt 'taosdump -D db1,db2,...' format.

* fix core dump issue.

* cherry pick from develop branch.

* fix conflict and reformat by autopep8.

Co-authored-by: NMinglei Jin <mljin@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

* 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 d6bfe443

* fix password echo on darwin.

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

* [TD-6294]<fix>: taosdemo support long arg

fix conflict with develop branch.

* fix few words.

* declare default child tables number.

* [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

* 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.

* [TD-5725]<fix>: taosdump --help, regarding acceptable timestamp.

* make example date time same.

* [TD-5725]<fix>: taosdump --help, regarding acceptable timestamp.

* make example date time same.

This reverts commit 6c0a048d.

* [TD-5712]<fix>: taosdump timestamp overflow.

* fix few variables' name

* [TD-5712]<fix>: taosdump timestamp overflow.

* fix few variables' name

* fix stable loop mistake.

* fix bug if thread number is 1

* resubmit

* [TD-5712]<fix>: taosdump timestamp overflow.

* fix few variables' name

* fix stable loop mistake.

* fix bug if thread number is 1

Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-5479]<fix>: taosdump -S -E does not work.

* taosdemo support timestamp step from command line.

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

* [TD-5479]<fix>: taosdump -S -E does not work.

* taosdemo support timestamp step from command line.

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

* [TD-5479]<fix>: taosdump -S -E does not work.

* taosdemo support timestamp step from command line.

* [TD-5479]<fix>: taosdump -S -E does not work.

* taosdemo support timestamp step from command line.

* [TD-3801]<fix>: taosdump coverity scan issue.

* merge from commit: 069169e7 and fix coverity scan issue.

* fix converity issues

* fix converity scan issue.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* fix converity scan issue.

* fix converity issues

* fix converity scan issue.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-3801]<fix>: taosdump coverity scan issue.

* merge from commit: 069169e7 and fix coverity scan issue.

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

* fix converity scan issue.

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

* [TD-5128]<fix>: odbc compile failed.

* fix cmake minimum version complain on mac and windows.

* fix visual studio 2012 build issue.

* [TD-5128]<fix>: odbc compile failed.

* cherry pick from master branch.

* fix visual studio 2012 build issue.

* [TD-5053]<feature>: taosdump support nanosecond

huge code refactoring

* fix arm32 compile issue.

* [TD-5053]<feature>: taosdump supports nanosecond.

* fix precision parsing order issue.

* [TD-5053]<fix>: taosdump support nanosecond.

pre-cherry-pick.

* turn nanosecond support on on the develop branch.