fix: merge bitmap when data col have data

fix: bad log print flags

refact: tdb

fix: only send message to one vnode in the vgroup

test(stream): _wstartts should be reverse quoted

fix: some problems of parser and planner

feat(stream): stream final interval operator

fix: alter table coredump

refactor: remove auth func

enh(query): support sum(NULL), max(NULL), min(NULL), count(NULL)