On Tue, 8 Jan 2019 at 13:43, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> It's as if it thought it was executing a semi-join.
EXPLAIN VERBOSE would show the inner_unique flag. If that's set it
would act as a semi-join.
--
David Rowley http://www.2ndQuadrant.com/
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