"Kevin Grittner" <kevin.gritt...@wicourts.gov> writes:
> Tom Lane <t...@sss.pgh.pa.us> wrote:
>> Joseph Shraibman <j...@selectacast.net> writes:
>>> So the type of what is in the ELSE clause determines the type of
>>> the output?
>>
>> If all the other branches are unknown literals, yes.
> What's the best place to look to get a handle on what the benefits are
> of treating character string literals as being of unknown type?
> (Other than the obvious backward compatibility issues.)
I think the odds of changing that are not measurably different from
zero.
regards, tom lane
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