Re: Full outer join

On Fri, Apr 13, 2001 at 03:02:32AM -0400, Tom Lane wrote:
> Tim Perdue <tim(at)perdue(dot)net> writes:
> > However, I keep getting this error, and I don't know what it means:
> > ERROR: FULL JOIN is only supported with mergejoinable join conditions
>
> Works for me:
>
> regression=# create table stats_http_downloads (day int, filerelease_id int);

create table stats_http_downloads (day int, filerelease_id int,group_id int,
downloads int);

> CREATE
> regression=# create table stats_ftp_downloads (day int, filerelease_id int);

create table stats_ftp_downloads (day int, filerelease_id int,group_id int,
downloads int);

> CREATE
> regression=# SELECT * FROM (stats_http_downloads sh
> regression(# FULL OUTER JOIN stats_ftp_downloads sf USING (day,filerelease_id));
> day | filerelease_id
> -----+----------------
> (0 rows)
>
>
> What version are you using?

That's RC3 and RC1.

I wonder if the problem is because stats_http_downloads and
stats_ftp_downloads both have group_id and downloads, which I don't want to
use as part of the join.

Does it still work with those revised CREATE statements?

Tim

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