On 01/05/2016 03:21 PM, oleg yusim wrote:
> Thanks JD.
>
> From what I read about WAL (you have been referring to this:
> http://www.postgresql.org/docs/current/static/wal-internals.html
> pg_xlog, right?) it allows us to know what happened, but does it
> warranty known secure state? I mean, I do not think it would help with this:
>
> "In general, security mechanisms should be designed so that a failure
> will follow the same execution path as disallowing the operation. For
> example, application security methods, such as isAuthorized(),
> isAuthenticated(), and validate(), should all return false if there is
> an exception during processing. If security controls can throw
> exceptions, they must be very clear about exactly what that condition
> means. "
You are correct, that isn't the pg_xlog but yes, PostgreSQL will throw
an exception in those types of cases.
Sincerely,
JD
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