On Thu, 21 Jan 2010 13:49:45 -0500
Kynn Jones <kynnjo@gmail.com> wrote:
> I have a table X with some column K consisting of
> whitespace-separated words. Is there some SELECT query that will
> list all these words (for the entire table) so that there's one
> word per row in the returned table? E.g. If the table X is
>
> K
> ---------------------
> foo bar baz
> quux frobozz
> eeny meeny
> miny moe
>
> ...I want the result of this query to be
>
> foo
> bar
> baz
> quux
> frobozz
> eeny
> meeny
> miny
> moe
http://www.postgresql.org/docs/current/static/functions-array.html
string_to_array
select (string_to_array('tano pino gino', ' '))[i] from
generate_series(1, 3) s(i);
You'd get the idea... to get the length of the array you've
array_length.
--
Ivan Sergio Borgonovo
http://www.webthatworks.it
