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Re: NULL safe equality operator

  • From: Peter Eisentraut <peter_e(at)gmx(dot)net>
  • To: pgsql-hackers(at)postgresql(dot)org
  • Cc: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Michael Glaesemann <grzm(at)myrealbox(dot)com>
  • Subject: Re: NULL safe equality operator
  • Date: Fri, 25 Nov 2005 09:56:39 +0100
  • Message-id: <200511250956(dot)39971(dot)peter_e(at)gmx(dot)net>
Christopher Kings-Lynne wrote:
> Needs to return 0 or 1 though.

All Boolean operators in MySQL do that, so to create an illusion of 
MySQL compatibility, you'd need to redefine all standard Boolean 
operators.  I don't think you want that.

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/
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