Yeb Havinga <yebhavinga(at)gmail(dot)com> writes:
> Binary send and recv of the value at hand would change it into a 0-D vector.
The reason for that is that in general we don't make a distinction
between zero-size arrays of different dimensions. oidvector and
int2vector are different though. Which is why this should be fixed
locally to those two types, rather than changing the behavior of
regular arrays.
regards, tom lane