"David E. Wheeler" <da...@kineticode.com> writes:
> On Jun 6, 2011, at 1:14 PM, Tom Lane wrote:
>> ... One bit of infrastructure that might be a good idea is
>> a flag to indicate whether an equality operator's behavior is
>> potentially collation-dependent, so that we could avoid taking
>> performance hits in the normal case.
> That sounds like a good idea.
BTW, it struck me shortly after sending this that we'd already discussed
the idea of a flag in pg_proc showing whether a function pays attention
to collation. We could of course use that for this purpose.
regards, tom lane
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