On Wed, Jun 29, 2005 at 01:20:17PM -0400, Douglas McNaught wrote:
> David Fetter <[EMAIL PROTECTED]> writes:
> 
> > I'm all in favor of having associative arrays as a 1st-class data
> > type in PostgreSQL.  How much harder would it be to make these
> > generally available vs. tied to one particular language?
> 
> We already have them--they're called "tables with primary keys". :)
> 
> What's the use-case for these things?  Just imitating Oracle?

It would make named function parameters *very* easy to do. :)

SELECT *
FROM foo_func(
    a => 2,
    b => 5,
    c => current_timestamp::timestamp with time zone
);

would be equivalent to

SELECT *
FROM foo_func(
    c => current_timestamp::timestamp with time zone,
    a => 2,
    b => 5
);

and both would Do The Right Thing.  It also opens the door to default
parameters for those who want them.

Cheers,
D
-- 
David Fetter [EMAIL PROTECTED] http://fetter.org/
phone: +1 510 893 6100   mobile: +1 415 235 3778

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