fix(tsdb/read): remove duplicate schema fetching

fix: fix max/min(tag) random result

test: reopen tmqDelete-1ctb.py

fix: the precision of delete statement

fix: error querying after setting permissions for varchar type tags

add cancel in fetch cluster

enh: refactor some sync func names

fix: show user privileges invalid write

fix(udf1): use 1 as luck number to make new gcc happy

fix(tsdb/cache): skip schema updating for non ts row

fix(shell): update the double display.

fix:optimize log & change the length of tag if tag is null in schemaless

fix(udf): make strncat working for release building

enh: stmt ignore get fields errors

feat: table level privilege