Re: SELECT my_table.varchar FROM my_table

On Mon, May 31, 2010 at 7:48 AM, Jan Strube <js(at)deriva(dot)de> wrote:

> I accidentally encountered a feature in Postgres 8.3 that I couldn't find in
> the documentation while submitting a query like
>
> SELECT my_table.varchar FROM my_table
>
> which returns a concatenated string of all field values per row.
> I wonder where this is documented (and if it has something to do with
> composite types).
>
> Can anyone please explain?

I don't really know, but the result looks more like a single field
formatted as "ROW-WISE" rather than CSV. The official way to get this
result is:

SELECT ROW( my_table.* ) FROM my_table;

http://www.postgresql.org/docs/9.0/static/sql-expressions.html#SQL-SYNTAX-ROW-CONSTRUCTORS

--
Regards,
Richard Broersma Jr.

Visit the Los Angeles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug