Re: Left join syntax error

Ray O'Donnell <ray@rodonnell.ie>

From: Ray O'Donnell <ray@rodonnell.ie>

To: Rich Shepard <rshepard@appl-ecosys.com>, pgsql-general@lists.postgresql.org

Date: 2024-05-18T14:49:02Z

Lists: pgsql-general

On 18/05/2024 15:46, Rich Shepard wrote:
> On Sat, 18 May 2024, Shammat wrote:
>
>> Don't put the second table in the FROM part
>>
>> SELECT p.lname, p.fname, p.job_title, p.company_nbr, p.email, 
>> c.company_name
>> FROM people as p
>>  LEFT JOIN companies as c ON c.company_nbr = p.company_nbr
>
> Shammat,
>
> I tried this with this result:
>
> ERROR:  missing FROM-clause entry for table "c"
> LINE 3: LEFT JOIN companies ON c.company_nbr = p.company_nbr;
>

You need to include the alias for the table also - see "...from 
companies as c..." in Shammat's example.

Ray.


-- 
Raymond O'Donnell // Galway // Ireland
ray@rodonnell.ie