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Re: Normalized storage to denormalized report

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On Thu, Jan 19, 2006 at 07:03:47AM -0500, Sean Davis wrote:
> I have a table that stores data like so:

<snip>

> And I would like to design a query that gives:
> 
> Clone_idx   expt_id_1  expt_id_2 ....
> 1           0.7834     0.8231    ....
> 2           0.2832     1.2783    ....
> 
> There are several tens-of-thousands of clone_idx entries, so doing this
> quickly may not even be possible.  Any suggestions on how to go from this
> normalized structure to the denormalized form easily.   Note that this isn't
> exactly a crosstab, since there is no counting data, just reshaping.

Although you may not call it exactly a crosstab, the crosstab
functions in contrib/tablefunc should solve your problem nicely.

Have a nice day,
-- 
Martijn van Oosterhout   <kleptog@xxxxxxxxx>   http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.

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