Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> On 2020-Sep-14, Tom Lane wrote:
>> AFAICS, it is utterly silly for InitResultRelInfo to be forcing
>> a partition qual to be computed when we might not need it.
>> We could flush ResultRelInfo.ri_PartitionCheck altogether and
>> have anything that was reading it instead do
>> RelationGetPartitionQual(ResultRelInfo.ri_RelationDesc).
> Hmm, but I presume we don't want to compute it every time. I suggest we
> would still have it, but we'd only computed it when first used.
RelationGetPartitionQual already does that caching.
regards, tom lane