Thanks for the explanation. I think I at least understand what it's doing
now. I'm either surprised or confused though, as I was under the
impression that you could substitute a subquery for a value pretty much
anywhere, but I guess that's not the case?
Cheers,
Ken
On Mon, Sep 16, 2013 at 6:16 PM, David Johnston <pol...@yahoo.com> wrote:
> Ken Tanzer wrote
> > ets_reach=> SELECT 'found' WHERE 'test' = ANY( (SELECT
> > ARRAY['test','pass','fail']) );
> >
> > ERROR: array value must start with "{" or dimension information
> > LINE 1: SELECT 'found' WHERE 'test' = ANY( (SELECT ARRAY['test','pas...
> > ^
>
> Per documentation of "ANY" it accepts either an array or a subquery. This
> is the subquery form. PostgreSQL is trying to convert 'test' into an array
> in order to match the array column returned by the subquery.
>
> Remove the "SELECT" to make it work the way you expect - i.e., the
> ANY(array) form of the expression.
>
> David J.
>
>
>
>
>
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>
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