On Fri, 2011-02-11 at 12:03 -0500, Robert Haas wrote:
> For what it's worth, my completely uninformed opinion is that
> comparison operators shouldn't error out. I haven't read the patch so
> I'm not sure what those operators are defined to do, though.
">>" means "strictly right of"
"<<" means "strictly left of"
"-|-" means "adjacent" (touching but not overlapping)
I'm open to suggestion about how those behave with empty ranges.
Regards,
Jeff Davis
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