* Tom Lane (tgl@sss.pgh.pa.us) wrote:
> Actually, it looks like it'd be totally trivial to implement: just check
> rel->reloptkind == RELOPT_OTHER_MEMBER_REL to detect whether we're
> looking at an inheritance child. (Actually this would also succeed
> for a UNION ALL member, but that's good because that's the other case
> where constraint exclusion is more likely to be useful.)
Covering the UNION ALL case would be terrific! I was a bit concerned
since we just have UNION ALL views and don't use inheritance generally.
> So, barring objections, I'll go make this happen. What do we want to
> call the intermediate constraint_exclusion value? The first thing
> that comes to mind is constraint_exclusion = 'child', but perhaps
> someone has a better idea.
Not a huge fan of 'child' since it implies inheritance. 'union' doesn't
work for a similar reason. What about 'partitioned'?
Thanks,
Stephen