Richard Broersma Jr <[EMAIL PROTECTED]> writes:
> Does anyone know if logic operations in plpgsql are short circuited in 8.2?

They are often optimized, but if you expect "short circuiting" following
exactly the rules of, say, C, you are likely to be disappointed.  See
the manual:

http://www.postgresql.org/docs/8.2/static/sql-expressions.html#SYNTAX-EXPRESS-EVAL

                        regards, tom lane

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