On Mon, Mar 31, 2008 at 12:48 PM, Raymond O'Donnell <[EMAIL PROTECTED]> wrote:

> On 31/03/2008 20:38, mark wrote:
>
> > EXPLAIN ANALYZE update users set number_recieved=number_recieved+1 where
> > uid=738889333;
> >                                                     QUERY PLAN
> >
> ------------------------------------------------------------------------------------------------------------------
> >  Index Scan using idx_uid on users  (cost=0.00..8.46 rows=1 width=1073)
> > (actual time=0.094..0.161 rows=1 loops=1)
> >    Index Cond: (uid = 738889333)
> >  Total runtime: 11479.053 ms
>
> Is there anything going on that might affect the time taken? - triggers,
> loads of indices to be updated, etc? From the docs[1]:

no, there are no triggers at all.. just the index on the column..
can you explain what the numbers mean in the EXPLAIN ANALYZE?
(cost=0.00..8.46 rows=1 width=1073)  (actual time=0.094..0.161 rows=1
loops=1)
thanks

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