On Fri, Feb 23, 2018 at 11:32 AM, Alvaro Herrera
> Amit Langote wrote:
>> On 2018/02/23 8:52, Alvaro Herrera wrote:
>> > We could mitigate the performance loss to some extent by adding more to
>> > RelationData. For example, a "is_partition" boolean would help: skip
>> > searching pg_inherits for a relation that is not a partition.
>> Unless I'm missing something, doesn't rd_rel->relispartition help?
> Uh, wow, how have I missed that all this time! Yes, it probably does.
> I'll rework this tomorrow ... and the already committed index patch too,
> I think.
BTW, not sure if you'd noticed but I had emailed about setting
relispartition on index partitions after you committed the first