Re: Using nulls with earthdistance operator crashes backend

From: Mark Stosberg <mark(at)summersault(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: Using nulls with earthdistance operator crashes backend
Date: 2001-07-31 17:03:02
Message-ID: 3B66E4B7.68D6B596@summersault.com
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I'll give it a shot and post the patch or let you know I'm stuck. :) Thanks!

-mark

Tom Lane wrote:
>
> Mark Stosberg <mark(at)summersault(dot)com> 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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