Re: Explaining functions.

On Tue, Jun 23, 2009 at 8:03 AM, Hartman,
Matthew<Matthew.Hartman@krcc.on.ca> wrote:
> Is there a recommended approach when trying to use EXPLAIN on a
> function? Specifically, a function that is more than the typical SELECT
> statement or tiny loop. The one in question that I'm hoping to optimize
> is around 250 lines.

What I normally do for benchmarking of complex functions is to
sprinkle the source with "raise notice '%', timeofday();" to figure
out where the bottlenecks are.  Following that, I micro-optimize
problem queries or expressions outside of the function body in psql.

merlin