fix:core dump if consumer multi vgroup message with sequence:create/alter/delete/create or create/delete/create

fix:core dump if consumer multi vgroup message with sequence:create/alter/delete/create or create/delete/create

fix: use correct keep2 when set least ts for query

doc: change develop->insert for 3.0

enh(query): aggregation function adoption for MIA operator 

fix: add more columns in show stable res

fix(query): set the ts to be the time window start key value

TD-17254

fix: select tag from st will return block composed of num of records

TD-17254

fix: fd leak

refactor: do some internal refactor.

docs: change data model to adapt to 3.0

refactor(sync): modify trace log

TD-17254

TD-17254

TD-17254

fix: skip file set if null pBlockIdx

Test3.0/lihui

enh: rsma code optimization and support drop

TD-17254

refactor(sync): add test case

test: valgrind case