fix: bypass projection pruning if union set op and subquery

fix: func ctgHandleGetTbMetasRsp invalid read SName

fix:[TD-24111]avoid exec pHandle task in multi query thread

fix: column length check when update/add column

enh: remove group_key from subsidiaries if multiple different select function present

test: add test case

This reverts commit 9ce1e8cc.

fix:compile error in release mode

fix: repair timestamps of wal log files in meta

fix: not to set ignoring signals in dmLogCrash

 fix: connect error when login with information_schema/performance_sc…

test:add testcases of learner in election

presents