Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> writes:
> I noticed that hash_array_extended() does not pass down the collation to
> the element's collation function, unlike hash_array(). As a
> consequence, hash partitioning using text arrays as partition key fails.
> The attached patch fixes this. I propose to backpatch this.
LGTM
regards, tom lane