On Wed, Oct 20, 2010 at 11:05 PM, Tim Uckun <timuc...@gmail.com> wrote:
>>
>> No, it isn't.  This is a three-way join between consolidated_urls, cu,
>> and tu --- the fact that cu is the same underlying table as
>
> cu is an alias for consolidated_urls. tu is an alias for trending_urls.
>
> There are only two tables in the query.

What does

explain update (your query continues) say about it?  I'm betting you
get a nice big row count in there somewhere.

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