From: | Tim Clarke <tim(dot)clarke(at)minerva(dot)info> |
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To: | Glen Huang <heyhgl(at)gmail(dot)com>, "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
Subject: | Re: How to implement expiration in PostgreSQL? |
Date: | 2021-04-01 13:43:10 |
Message-ID: | 9f044a4f-e922-09db-2907-3a34e46a4207@minerva.info |
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Lists: | pgsql-general |
On 01/04/2021 14:28, Glen Huang wrote:
>> Possibly keep your count of members updated via a trigger?
> But how to evoke the trigger when the count of members should be updated by a timeout, i.e., the person’s pay is due?
I'd run a cron job that triggers a function call which would make the
necessary expiry tests and set the status accordingly. Maybe run the
cron once an hour or once a day depending on the granularity of your needs?
Tim Clarke MBCS
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