* Block-wise SMA extraction

* refactor the SBlock

* add method tsdbLoadBlockOffset

* set method tsdbLoadBlockOffset static

* refactor

* trigger CI

* minor change

* trigger CI

* add STSma defintion

* add STSma schema encode/decode

* restore

* code optimization

* put/get sma schema from bdb

* add/check tSma schema methods

* code optimization

* code optimization