Re: [HACKERS] Re: psql and comments

> OK, so the parser/planner/executor can cope with dummy input.  That's
> good.  There's still the problem of returning an 'empty query' response
> to the frontend.  I think you'd probably need to hack up postgres.c
> so that when the querytree list produced by the parser is NIL, the
> IsEmptyQuery flag gets set --- this could be done instead of, rather
> than in addition to, the current test for an all-whitespace input
> buffer.

The system may already return that.  My gram.y code tests for empty
queries, and should be doing the right thing.  Not sure, because I am
not sure what to check for.

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