"Andrus" <eetasoft@xxxxxxxxx> writes: > select 1!=-1 > ERROR: operator does not exist: integer !=- integer > Isn't this a bit stange ? No. We couldn't really parse this any other way without disallowing - (and +) altogether in multi-character operator names. There's a special hack for SQL-spec compatibility, but it doesn't trigger in this case; see http://www.postgresql.org/docs/8.1/static/sql-syntax.html#SQL-SYNTAX-OPERATORS regards, tom lane
