fix(os): run case on win

enh: refactor trans free ctx

chore: remove out-of-date example

fix(stream): handle null data

ci(stream): close session test

fix(stream): memory error

fix(query): set correct expression number in project operator.

refactor: let all operations of mnode into the sync log

enh: asan option

feat: drop stable

enh(query): add detailed sort exec information in analysis of operator.

fix: use real schema version of row