<[EMAIL PROTECTED]> writes:
> Is omitting the COMMUTATOR option a problem at all in case of
> self-commutative operators?
At the moment it only really matters for operators that are used in
top-level WHERE clauses --- which lets out anything that doesn't return
boolean. But I'd say that as a matter of style, if the operator is
self-commutative you should mark it so. Some day the system might
pay attention.
regards, tom lane
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