On 2019-Aug-09, Amit Langote wrote: > Hmm, oops. I think that judgement was a bit too rushed on my part. I > unintentionally ended up making the partition constraint to *always* > be fetched, whereas we don't need it in most cases. I've reverted > that change.
Yeah, I was quite confused about this point yesterday while I was trying to make sense of your patches. > RelOptInfo.partition_qual is poorly named in retrospect. > :( It's not set for all partitions, only those that are partitioned > themselves. Oh. Hmm, I think this realization further clarifies things. Since we're only changing this in the master branch anyway, maybe we can find a better name for it. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services