Re: Help with a double left join

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: anepon(at)verveinternet(dot)com
Cc: "Pgsql-Sql" <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Help with a double left join
Date: 2001-06-22 15:15:08
Message-ID: 3975.993222908@sss.pgh.pa.us
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"Ari Nepon" <anepon(at)verveinternet(dot)com> writes:
> Thanks Alex. But it was too good to be true. Or, more likely, I did
> something else wrong.

clients.ID => client.ID, likely.

regression=# create table track(project int, client int);
CREATE
regression=# create table project(project_id int);
CREATE
regression=# create table client(ID int);
CREATE
regression=# select * from track LEFT JOIN project ON track.project=project.pro
ject_id
regression-# LEFT JOIN client ON track.client=clients.ID;
ERROR: Relation 'clients' does not exist
regression=# select * from track LEFT JOIN project ON track.project=project.pro
ject_id
regression-# LEFT JOIN client ON track.client=client.ID;
project | client | project_id | id
---------+--------+------------+----
(0 rows)

regards, tom lane

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