fix(query): fix invalid write in distinct query.

feat: check server status

fix(query): substr function param overflow

TD-14760

feat: sql command 'create table ... rollup ...'

refactor(query): refactor scalar function

TD-14802

feat: set other bit 0 in offset 0 when set bitmap

fix(query): set the start row index to be the correct value.

fix(query): fix the crash caused by the complex having clause

enh(rpc): add rpc retry

fix: fix memory leak in client

feat: SKVRow read logic

refactor(query): refactor cast function

fix(query): fix timezone function with trailing characters