David G Johnston <david.g.johns...@gmail.com> writes:
> Blagoj Petrushev wrote
>> I know for example that redis has this feature, the EXPIRE / EXPIREAT
>> / TTL commands.
>> http://redis.io/commands/expire
One thought here is that recent versions of the SQL standard contain some
temporal-data features, which might well be usable for the purposes
envisioned here. I'd much rather see us implementing SQL-spec features
than randomly invented ones, so please take a look into the spec before
going too far with EXPIRE.
Having said that, I rather doubt that any such feature is likely to be
worth the implementation complexity and overhead. The previous suggestion
of a cron-like daemon is probably far more likely to be acceptable;
it'd be less work, have a lot more use-cases, and be less likely to add
overhead that's useless to users who don't need the feature.
regards, tom lane
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