Re: How many rows if limit wasn't present? - Mailing list pgsql-general

From Richard Huxton
Subject Re: How many rows if limit wasn't present?
Date
Msg-id 42849A90.801@archonet.com
Whole thread Raw
In response to How many rows if limit wasn't present?  (Victor Spång Arthursson <victor@tosti.dk>)
Responses Re: How many rows if limit wasn't present?
List pgsql-general
Victor Spång Arthursson wrote:
> Ciao!
>
> Is it possible to get the number of rows that would have been  returned
> if the LIMIT-clause weren't  present in some way after the  query was run?
>
> Reason for asking is that I have a really big chunk of SQL, which  takes
> time to execute, and whoose result is paginated using a LIMIT- clause,
> and to get the actual result (before pagination) I have to  run the
> query one more time… Big slow down…

No. Standard procedure here is to select the results to a temporary
table, or application-level cache etc.

--
   Richard Huxton
   Archonet Ltd


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