[erlang-questions] Modifying all entries in a mnesia table

Bob Ippolito <>
Thu Dec 2 05:18:52 CET 2010


You could store the current date as part of the record and simply
treat the value as 0 on read if the date doesn't match the current
date. This will save a lot of I/O and probably won't add too much
complexity.

On Thu, Dec 2, 2010 at 10:01 AM, Andre Nathan <> wrote:
> Hello
>
> I have a mnesia table for a quota system. Quotas are specified as daily
> values, so the counters should be reset to 0 every 24h. Is there
> anything more efficient than traversing the table with
> mnesia:{first/1,next/2} and issuing a write for each record?
>
> Thanks
> Andre
>
>
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