enh: set datablock desc timestamp precision, and fix the bug of constant calculation

refactor: row bitmap to provide real semantics of NULL and NONE

feat: add query node, i.e. qnode, for query only purpose

feat: update time series data

fix[query]:enable sum function to be applied to bool data type.

fix[query]:fix memory invalid write in group by nchar data.

test: add GROUP BY/ WHERE / LIMIT operator sim case

test[query]:update the script.

fix(cluster): redirect msg when mnode not deployed

<feat>[query]: add cast function SQL syntax

[TD-13254]<fix>: make 3.0 grant.

TD-14242