[vox-tech] Call for SQL help

[Bill Kendrick]

On Thu, Apr 16, 2009 at 06:06:21PM -0700, Bryan Richter wrote:
> 1. Definetely break out subqueries. A possible starting point would be creating a temp table of interesting categories. Temp tables are indispensible.
> 

Ah, my predecessor popped up and mentioned this discovery.  Instead of
the subselect ("AND bc.categoryid IN ( SELECT ... )"), doing the following
'EXISTS' test does the same thing.

It now takes under 1 second, rather than 90 seconds.  A speed improvement
of over 100x.  Yay :)

  bill.beers_owed_to_people++;

-bill!