On Mon, Feb 29, 2016 at 12:47 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > FWIW, PG >= 9.5 will ignore a LIMIT 1 inside an EXISTS, so that you get > the same plan with or without it. But that does act as an optimization > fence in earlier releases. Does 'offset 0' still work as it did? merlin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance