Jeff Davis <pg...@j-davis.com> writes: > On Wed, 2021-06-09 at 16:50 +0530, Amit Kapila wrote: >> BTW, can't we consider it to be part of >> create_slot_opt_list?
> Yes, that would be better. It looks like the physical and logical slot > options are mixed together -- should they be separated in the grammar > so that using an option with the wrong kind of slot would be a parse > error? That sort of parse error is usually pretty unfriendly to users who may not quite remember which options are for what; all they'll get is "syntax error" which won't illuminate anything. I'd rather let the grammar accept both, and throw an appropriate error further downstream. regards, tom lane