Hi
This could work:
UPDATE public.ja_jobs
SET time_job = a.tj
FROM
(
SELECT id AS rid,
clientid AS cid,
time_job AS tj
FROM junk.ja_jobs_23856
) AS a
WHERE a.rid = id
AND a.cid = clientid;
In the subselect a you need to rename the column names to avoid ambiguity.
Here is also an example:
http://www.schmiedewerkstatt.ch/wiki/index.php/PostgreSQL:_Update_rows_with_subquery
Regards
Charles
> -----Original Message-----
> From: pgsql-general-owner@xxxxxxxxxxxxxx [mailto:pgsql-general-owner@xxxxxxxxxxxxxx] On Behalf Of
> drum.lucas@xxxxxxxxx
> Sent: Donnerstag, 21. April 2016 07:10
> To: Postgres General <pgsql-general@xxxxxxxxxxxxxx>
> Subject: Update field to a column from another table
>
> I've got two tables:
>
> - ja_jobs
> - junk.ja_jobs_23856
>
> I need to update the null column ja_jobs.time_job with the data from the table junk.ja_jobs_23856
>
> So I'm doing:
>
>
> UPDATE public.ja_jobs AS b
> SET time_job = a.time_job
> FROM junk.ja_jobs_23856 AS a
> WHERE a.id <http://a.id> = b.id <http://b.id>
> AND a.clientid = b.clientid;
>
>
> But it's now working... I'm using PostgreSQL 9.2
>
> Do you guys have an idea why?
>
> cheers;
> Lucas
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