On Fri, Oct 1, 2021 at 7:07 AM David Rowley <dgrowle...@gmail.com> wrote: > On Thu, 30 Sept 2021 at 20:25, Amit Langote <amitlangot...@gmail.com> wrote: > > Related to the above, I noticed while looking at > > build_merged_partition_bounds() that db632fbca3 missed adding a line > > to that function to set interleaved_parts to NULL. Because the > > PartitionBoundInfo is only palloc'd (not palloc0'd), interleaved_parts > > of a "merged" bounds struct ends up pointing to garbage, so let's fix > > that. Attached a patch. > > Thanks for the patch. > > I think we also need to document that interleaved_parts is not set for > join relations, otherwise someone may in the future try to use that > field for an optimisation for join relations. At the moment, per > generate_orderedappend_paths, we only handle IS_SIMPLE_REL type > relations. > > I've attached a patch that updates the comments to mention this.
Looks good to me. Thanks. -- Amit Langote EDB: http://www.enterprisedb.com