On 27 January 2017 at 00:37, David Rowley <david.row...@2ndquadrant.com> wrote:
> The attached has my Merge Join changes, to show what I think can be
> done to make use of unique outer. Let me know what you think, but I
> get that idea that we're both leaning towards ripping the outer unique
> stuff out, so I'll go do that now...

I've attached a version without outer unique.

 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Attachment: unique_joins_2017-01-27_no_outer_unique.patch
Description: Binary data

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