On Mon, Feb 29, 2016 at 12:47 PM, Tom Lane <t...@sss.pgh.pa.us> 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


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