Hi, On 2017-11-17 11:23:54 -0500, Tom Lane wrote: > OK, after looking through the history, the reason for isTemp = false > is indeed to allow BufFileCreate() to maintain its old semantics, > wherein you could attach a BufFile to an already-existing, possibly > non-temp file. There have not been any core callers of BufFileCreate() > in a long time (maybe not since that commit, in fact), but I imagine > I left it alone for fear that extensions might be using it. I see though > that Bruce ifdef'd it out in 20ad43b5, so there aren't any extensions > using it either. > > We should flat-out remove the function, since this change makes it > impossible to resurrect with its old semantics.
That sounds reasonable. > I wonder whether we should then rename BufFileCreateTemp to just > BufFileCreate, since it's no longer possible to have a BufFile that > isn't temp. I suspect that some attention to the comments might be > needed too. Thomas? > Or maybe we should revert 11e264517. It doesn't seem to be buying > much to make up for the loss of flexibility. There's a bunch of work adding new functionality to buffile.c pending. And having code paths that have been dead for 10+ years around and maintaining them in working order doesn't seem like a good use of time. Greetings, Andres Freund