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Re: Variable column name

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In response to "Bob Pawley" <rjpawley@xxxxxxx>:
> 
> From: Bill Moran
> 
> In response to "Bob Pawley" <rjpawley@xxxxxxx>:
> >
> > I want to add information to multiple columns (20 - 40) by employing a 
> > loop. Each pass of the loop will populate one column with an array.
> >
> > I have tried and I have read that variables can not be used to control 
> > column names.
> >
> > Is there a means of working around this restriction other than creating 20 
> > to 40 hard coded statements??
> 
> You can generate dynamic SQL statements with plpgsql.
> 
> Would it be possible for you to point me to an example??

http://www.postgresql.org/docs/9.0/static/plpgsql-statements.html
Section 39.5.4

If you're not familiar with plpgsql at all, you might want to start with
this:
http://www.postgresql.org/docs/9.0/static/plpgsql-structure.html

-- 
Bill Moran
http://www.potentialtech.com
http://people.collaborativefusion.com/~wmoran/

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