Jeff Davis <jdavis@postgresql.org> writes:
> Fix interval test, which was broken for floating-point timestamps.
> Commit 4318daecc959886d001a6e79c6ea853e8b1dfb4b introduced a test that
> couldn't be made consistent between integer and floating-point
> timestamps.
That patch was back-patched as far as 8.4, so if you're going to change
it, you need to back-patch too.
regards, tom lane