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.

fix: undefine the strdup by default.

merge 3.0

* enh(driver): add spring + mybatis type:byte[] example

* doc: add init description

* docs: add byte[] description