"Just Someone" <just(dot)some(at)gmail(dot)com> writes:
> Is there a way to discover what is the real current WAL file?
If you sort first by mtime and second by file name you should find the
right one in all cases, ie, take the latest mtime among the
properly-named files, breaking ties by taking the higher filename.
It'd probably be better if we had a function to report this, but
you can get along without one.
regards, tom lane