fix:fix compile error in c++ unit test

enh(index): add more UT

3.0

fix: core caused by invalid total rows of data block when executing sql like select udf2(f2) from udf.t2 group by 1-udf1(f1)

fix: core caused by invalid total rows of data block when executing sql like select udf2(f2) from udf.t2 group by 1-udf1(f1)

ci: recover tsim/tstream/basic1.sim

fix: fix catalog stable meta update issue

ci: recover tmq/basic5.py

feat(query): add sample function using reservoir sampling method

fea: add test case for schemaless

refactror: node mgmt

feat: add test case to udf.sim

ci: enhancement - set default timeout

for 3.0

[TD-11857]

feat: enhance udf scalar function with function handle map

feat: fix erros of square int overflow and block capacity set before filling a new column

fix(query): set the correct state value key index.

Merge pull request #12447 from taosdata/fix/ZhiqiangWang/fix-15189-make-taosd.exe-taos.exe-run-on-windows

fix(os): make taosd.exe taos.exe run on windows.