This example in User's Guide section 7.2 doesn't work anymore at all:

tgl=> select @ text '-4.5' as "abs";
(1 row)

What really happens is this:

=> select @ text '-4.5' as "abs";
ERROR:  Unable to identify a prefix operator '@' for type 'text'
        You may need to add parentheses or an explicit cast

Again, delete or new example?

Peter Eisentraut   [EMAIL PROTECTED]

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