On 11.11.2010 17:48, Tom Lane wrote:
> "Yeb Havinga"<yebhavinga(at)gmail(dot)com> writes:
>> postgres=# create table a as select ''::oidvector;
>> SELECT 1
>> postgres=# copy a to '/tmp/test' with binary;
>> COPY 1
>> postgres=# copy a from '/tmp/test' with binary;
>> ERROR: invalid oidvector data
> 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.
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