On Wed, Sep 06, 2006 at 09:59:03AM +0200, Ivan Sergio Borgonovo wrote: > You can write a xor function. At least in 7.4, that I'm currently using, there is no xor operator. Ah, but there's is, but it's in disguise: test=# select true <> true, true <> false, false <> true, false <> false; ?column? | ?column? | ?column? | ?column? ----------+----------+----------+---------- f | t | t | f (1 row) Hope this helps, -- Martijn van Oosterhout <kleptog@xxxxxxxxx> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to litigate.
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