Hello,
I have not Oracle, so I cannot test it, but PostgreSQL implementation
respect Oracle:
http://archives.postgresql.org/pgsql-patches/2005-06/msg00431.php
Regards
Pavel Stehule
2007/6/30, Bruno Wolff III <bruno@xxxxxxxx>:
The following is just FYI.
I was recently doing some stuff with greatest() on oracle (9.2.0.8.0) and
noticed that it returned null if ANY of the arguments were null. Out of
curiosity I checked postgres' definition of that function and found that it
returns null only if ALL of the arguments are null.
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