Bruce Momjian <br...@momjian.us> writes:
> I realize they can't be converted to constants before the query starts
> but is there a reason we can't convert those functions to constants in
> the executor before a table scan?
Other than the significant number of cycles that would be wasted (in
most cases) checking for the possibility, probably not. I'm dubious
that it would average out to a win though.
regards, tom lane
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