Karsten Hilbert <[EMAIL PROTECTED]> writes:
> I am trying to run this query in psql:
> update clin.episode
> set fk_patient = clin.health_issue.fk_patient
> from clin.health_issue
> where
> clin.episode.fk_patient is NULL and
> clin.episode.fk_health_issue = clin.health_issue.pk;
> It returns "UPDATE 2" which is what I expect from the data.
> However, the rows in question are not actually updated.
That seems very strange. Could you perhaps have a BEFORE UPDATE trigger
that's changing the values back to null again?
regards, tom lane
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