Magnus Hagander <magnus@xxxxxxxxxxxx> writes: > I find it very unlikely that you would "during normal operations" end up > in a situation where you would first have permissions to create files in > a directory, and then lose them. > What could be is that you have a directory where you never had > permissions to create the file in the first place. > Any chance to differentiate between these? The cases we're concerned about involve access to an existing file, not attempts to create a new one, so I'm not clear what your point is. I would certainly *love* to differentiate between these failures and ordinary permissions failures, but so far as I've heard we can't. regards, tom lane