| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Condor <condor(at)stz-bg(dot)com> |
| Cc: | "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Need help with trigger |
| Date: | 2021-01-23 16:17:24 |
| Message-ID: | CAKFQuwaGMpHMoVP5Ev9YkqsUdgfLUQ5GbtSzJFPt+4D=2GTXTA@mail.gmail.com |
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| Lists: | pgsql-general |
On Saturday, January 23, 2021, Condor <condor(at)stz-bg(dot)com> wrote:
>
>
> Hello ppl,
>
> I need help with trigger how to replace insert command with update.
> External program read data from one table and in every 30 min I need to
> refresh data in arhive table.
> What I want is: if data already inserted and end_date is not changed, only
> to update lastseen column. If data not exists to insert data and if data
> exists and end_date is changed
> to update end_date, lastseen and sendto columns. Well, update probably
> will never happened, this functionality is left for frontend but its can be
> cut off.
>
Seems like an insert on conflict would be simpler. Otherwise, what is your
question or concern?
David J.
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