fix(query): fix memory leak in last_row query

fix(query): fix memory leak.

fix(query): fix mem leak

fix(stream): sliding error

fix: ins_tags table name optimization error

feat: stream compression

fix: coverity issues

fix(query): handle the block read case.

fix: query information_schema.ins_tags error

fix(query): fix memory leak.

opt(query): opt tbname_in query

fix: coverity issues

feat(stream): distribute interval  disc buff

* docs: add prometheus sub-table naming by rule note

* docs: fix show databases output

enhance: optimize when select from ins_tags when table_name='xxxx'