Re: How to implement expiration in PostgreSQL?

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
IT Director
Direct: +44 (0)1376 504510 | Mobile: +44 (0)7887 563420


Telephone: Witham: +44(0)1376 503500 | London: +44 (0)20 3009 0853 | Frankfurt: +49 (0)69 7191 6000 | Hong Kong: +852
58031687 | Toronto: +1 647 503 2848
 
Web: https://www.manifest.co.uk/



Minerva Analytics Ltd - A Solactive Company
9 Freebournes Court | Newland Street | Witham | Essex | CM8 2BL | United Kingdom

________________________________

Copyright: This e-mail may contain confidential or legally privileged information. If you are not the named addressee
youmust not use or disclose such information, instead please report it to
admin@minerva.info<mailto:admin@minerva.info>
Legal: Minerva Analytics is the trading name of: Minerva Analytics Ltd: Registered in England Number 11260966 & The
ManifestVoting Agency Ltd: Registered in England Number 2920820 Registered Office at above address. Please Click Here
https://www.manifest.co.uk/legal/for further information.