Atsushi Ogawa <[EMAIL PROTECTED]> writes:
> (2)About processing when column identifier of SET clause is specified
> like 'AAA.BBB'. 'AAA' is a composite column now. When an alias for
> target table is supported, 'AAA' is a composite column or a table.
> How do we distinguish these?

You don't, which is why you can't put an alias on a SET target.

Increasing the reserved-ness of SET isn't real attractive either.

                        regards, tom lane

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