Matthew Lunnon wrote:

Ahh, sorry, I have been too aggressive with my cutting, I am running 8.2.6 and the function is below.

<snip>

$BODY$
 LANGUAGE 'sql' VOLATILE;
                 ^^^^^^^^^^
I suspect that it's because you're using VOLATILE (so no good optimizations is done); did you try STABLE? Could you show us the EXPLAIN ANALYZE of query and function?


--
  Euler Taveira de Oliveira
  http://www.timbira.com/

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