From: | Daniel CAUNE <d(dot)caune(at)free(dot)fr> |
---|---|
To: | 'Tom Lane' <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Function with default value? |
Date: | 2006-01-30 03:40:46 |
Message-ID: | 0ITV00K44LNX4C10@VL-MO-MR002.ip.videotron.ca |
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Lists: | pgsql-sql |
> -----Message d'origine-----
> De : Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> Envoyé : dimanche 29 janvier 2006 10:48
> À : Daniel CAUNE
> Cc : pgsql-sql(at)postgresql(dot)org
> Objet : Re: [SQL] Function with default value?
>
> Daniel CAUNE <d(dot)caune(at)free(dot)fr> writes:
> > Is it possible to define a function with some default values?
> > CREATE OR REPLACE FUNCTION foo(i IN int, j IN int DEFAULT := 1)
>
> No. But you can fake many versions of this with a family of functions:
>
> CREATE OR REPLACE FUNCTION foo(i IN int, j IN int) ...
>
> CREATE OR REPLACE FUNCTION foo(i IN int) ... return foo(i, 1) ...
>
> Remember that PG lets you "overload" a function name by using the same
> name with different parameter lists.
>
> regards, tom lane
Yes, thanks Tom, for the second time.
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