Mark Stosberg <[EMAIL PROTECTED]> writes:
> * Install earthdistance operator from the contrib directory.
> * try this:
> cascade=> select null <@> '1,1'::point;

> ## The result I get:
> pqReadData() -- backend closed the channel unexpectedly.

Probably the earthdistance functions are not NULL-safe and need to be
marked "isStrict" in CREATE FUNCTION.  Would you be willing to do the
legwork on working up a patch for that?

                        regards, tom lane

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