TD-16436

TD-16436

feat: sql system info function 'database()', 'client_version()', 'server_version()', 'server_status()', 'current_user()' and 'user()'

refactor(sync): delete old functions

enh(query): first/last function support selectivity

feat: sql system info function 'database()', 'client_version()', 'server_version()', 'server_status()', 'current_user()' and 'user()'

* feat: update taos-tools for 3.0

prepare for 3.0

[TD-13052]

* feat: update taos-tools

fix -I -s

[TD-13052]

* feat: taosdump support new format prepare for 3.0

for 3.0 branch

update taos-tools

[TD-13052]

test: sim test ctrl-c exit

fix: fix reset query cache crash issue

看代码的时候发现注释有个小问题，毫秒的英文全称弄错了。

test: remove old cases

test: case for stable

test:modify testcase of muti-mnodes

test: case for stable

test: fix test exit

refactor: rsma code optimization

test: case for replica3

test: lengthen taos shell wait time

test: case for replica3 db