Neil Conway <neilc@samurai.com> writes:
> This patch changes the input routines for float4, float8 and oid to
> reject empty strings (rather than treating them as "0"). In 8.0 we issue
> a warning about this behavior and indicate that the input will not be
> accepted by a future release, so it seems reasonable to disallow the
> input in 8.1. The patch also updates the regression tests.
If you're going to add regression tests, how about testing the case of a
non-empty-but-all-whitespace string?
regards, tom lane
