Michael Landin Hostbaek wrote:
List,
I'm using the OFFSET / LIMIT combo in order to split up my query, so it
only parses 20 rows at a time (for my php-scripted webpage).

The best way to do it is to have a layer between your application and the database that can cache the results of your query. Unfortunately PHP is not ideal for this - you might want to google for "php memcache" and "pgmemcache" though.

Once you can cache the query, you run it once, use the row-count and then fetch the rows from cache.
--
  Richard Huxton
  Archonet Ltd

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