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.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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