fix: invalid vg count

feat: auto retentiion

test: check asan cases successful

feat: completing create index and tag index case

merge 3.0

fix: to many seesion

fix(query): fix apply limit error for doMultiwayMerge operator if datablocks belongs to the same group

fix: empty ts range query issue

fix: fix coverity issue 

fix: tag like filter issue

fix: table scan crash issue

refactor: do some internal refactor.