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Cursor vs Set Operation
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* Cursor vs Set Operation
@ 2017-10-30 22:51  patibandlakoshal <[email protected]>
  0 siblings, 1 reply; 2+ messages in thread

From: patibandlakoshal @ 2017-10-30 22:51 UTC (permalink / raw)
  To: pgsql-performance



^ permalink  raw  reply  [nested|flat] 2+ messages in thread

* Re: Cursor vs Set Operation
@ 2017-11-01 16:28  Merlin Moncure <[email protected]>
  parent: patibandlakoshal <[email protected]>
  0 siblings, 0 replies; 2+ messages in thread

From: Merlin Moncure @ 2017-11-01 16:28 UTC (permalink / raw)
  To: patibandlakoshal <[email protected]>; +Cc: pgsql-performance

On Mon, Oct 30, 2017 at 5:51 PM, patibandlakoshal
<[email protected]> wrote:
> From performance standpoint I  thought set operation was better than Cursor.
> But I found Cursor to be more effective than Set operation. Is there a way
> we can force optimizer to use cursor plan. QUERY PLAN

You're going to have to be  a little more specific.  In particular, I
have no idea what a 'cursor plan' is.  What precise operations did you
do?

merlin


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