fix: add filter to exchange node for union-all subquery

Lihui3.0/test

enh: optimize count performance

fix: error in determining whether last(t.*) is a selection function

Test/td 22592

fix(stream):fix the race condition when creating new tables.

fix: join before interval

fix:add assert for debug

fix: add more column update cases

fix: tag copy issue

test: refine query cases