Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> Tom Lane wrote:
>> This violates the message style guidelines, IMHO.
> My first impression is that it should be swapped. The error is that the
> file could not be opened. The detail is that the files is related to
> transaction status information.
No, the error is that the transaction status couldn't be accessed. The
fact that it is stored in a file is implementation detail, and primary
messages should not focus on implementation detail.
regards, tom lane