Is your feature request related to a problem? Please describe.

Risingwave now cannot deal with expression after LIMIT.
For example, for query below:

create table test_table (id int);
select * from test_table LIMIT 0 + 1;

There is sql parse error.

Describe the solution you'd like

Supporting expression evaluation after keyword LIMIT would be helpful.

Describe alternatives you've considered

No response

Additional context

No response