Re: query or design question

On Monday 20 October 2003 11:58, Adam Witney wrote:
> Hi,
>
> I have a table like so
>
> CREATE TABLE imagene (
> id int
> bioassay_id int
> gene_id text
> s_row int
> s_column int
> s_meta_row int
> s_meta_column int
> sig_median numeric
> bkg_median numeric
> );

> And I need to generate an output like this......
>
> bioassay_id=106 bioassay_id=107
> ---------------------- ----------------------
> gene_id, sig_median, bkg_median, sig_median, bkg_median

> I am not sure if a crosstab function will do this?

There are some examples in contrib/tablefunc that might well be useful for
you. You should also check out the "Set Returning Functions" article on
http://techdocs.postgresql.org/

If you find your requirements getting particularly complex, I'd be tempted to
do the hard work in the application.

--
Richard Huxton
Archonet Ltd