On 12/20/2014 06:40 AM, Pierre Ducroquet wrote:
Hi I'm working on a web credit card payment solution, so in a PCI-DSS environment, and the auditors gave me trouble with one specific audit point for the PostgreSQL database. They require the list of users in the database that had no activity in the past 90 days to be deleted. So far, it seems the only solution to implement that in PostgreSQL would be to parse the log, hoping not to lose any line. That seems too risky for me, so I wrote my own solution for this issue, and I would like to submit it here for review/suggestion and to help other users facing the same needs. Since it's very small, I've taken the liberty of attaching it to this email. The code is more or less «inspired» by pg_stat_statements. So far I've not implemented saving upon restarts of the database, I'll probably do it in the next days/weeks. It has been tested against PostgreSQL 9.2 only, but I'll test 9.3 and 9.4 soon.
Would it not be easier to just put a timestamp field in the user table and touch it every time they used their card. Then just delete everyone with a timestamp > 90 days.
Thanks Pierre
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