* [td-5654]<fix>: fix the bug caused by unexpected error code.

* [td-5707]<fix>: fix bug in interp query while only one row exists in a table.

* [TD-5702]<fix>: taosdemo remove memory operation.

* [TD-5702]<fix>: taosdemo remove memory operation.

* add remainderBufLen to check row data generation.

* row data generation with remainder buffer length checking.
Co-authored-by: NHaojun Liao <hjliao@taosdata.com>
Co-authored-by: NHaojun Liao <hjxilinx@users.noreply.github.com>
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.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-5625]<fix>: taosdemo don't use printf for data generation.

* re cherry-pick

* [TD-5445]<fix>: taosdemo bug stmt interface with sample data.

sync from develop branch.

* refactoring some macros.

* fix mac compile error.

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

* slove conflict

* [TD-5506]<fix>: throw SQLException in HttpClientPoolUtil

* [TD-4068]<feature>: taosdemo support stmt.

for easy merge purpose. disabled in master.

* fix clang compile error.

* fix memory leak, add more macros. change sqlcount to int

* fix rest segfault.

* add stmt_errstr() for reason print.
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.
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>

* merge jdbc update on develop into master

* remove useless test cases

* change

* change

* remove uneccesary test case

* change

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

* taosdemo support timestamp step from command line.

sync from develop branch.

* copy from develop branch. stmt: 0, nanosec: 0

* set thread name disabled on master branch.

* [TD-5398]<fix>: taosdemo 4096 columns table creation failed.

* change column name prefix from col to c for maxium column number to fix buffer length.

* use accurate buffer length.

* fix test case for column name be shorter.

* remove space between columns and tags.

* change sql buffer to 1M align with taosdef.h.

* column buffer length be calculated.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-5398]<fix>: taosdemo 4096 columns table creation failed.

* change column name prefix from col to c for maxium column number to fix buffer length.

* use accurate buffer length.

* fix test case for column name be shorter.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-5300]<fix>: taosdemo stmt debug print.

* fix default iface is unknown.

* merge with TD-5300 fix against develop

* cherry pick from develop branch.

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