On Mon, Jun 13, 2016 at 7:17 PM, Robert Haas <robertmh...@gmail.com> wrote: > > On Mon, Jun 13, 2016 at 3:18 AM, Amit Kapila <amit.kapil...@gmail.com> wrote: > > In create_grouping_paths(), we are building partial_grouping_path and same > > is used for gather path and other grouping paths (for partial paths). > > However, we don't use it for partial path list and sort path due to which > > path target for Sort path is different from what we have expected. Is there > > a problem in applying partial_grouping_path for partial pathlist? > > Attached patch just does that and I don't see error with patch. > > It doesn't seem like a good idea to destructive modify > input_rel->partial_pathlist. Applying the projection to each path > before using it would probably be better. >
Do you mean to have it when we generate a complete GroupAgg Path atop of the cheapest partial path? With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
