Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes:
> On 11.11.2010 17:48, Tom Lane wrote:
>> The problem seems to be that array_recv passes back a zero-dimensional
>> array, *not* a 1-D array, when it observes that the input has no
>> elements. A zero-D array is not part of the subset of possible arrays
>> that we allow for oidvector.
> Yeah, I just reached that conclusion too..
>> I'm less than convinced that this is worth fixing. oidvector is not
>> intended for general-purpose use anyway. What's the use-case where this
>> would come up?
> I don't see any use case either, but I guess it would be nice to fix for
> the sake of completeness.
The least risky fix would be to make oidvectorrecv check for a zero-D
result from array_recv and replace it with an empty 1-D result. I'm
not sufficiently excited about it to do it myself, but if you are,
have at it.
regards, tom lane
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