On Tue, Mar 11, 2014 at 1:24 PM, Parul Lakkad <parul.lak...@gmail.com> wrote:
> I am trying to figure out when disk is used to store intermediate results
> while performing joins in postgres.

Joins can also cause a Nested Loop+Materialize plan, which spills to
disk if the materialize result set is too large for work_mem.

Regards,
Marti


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