2009/1/22 Informatica-Cooperativa Cnel. Oviedo informat...@coopovie.com.py:
Buenos Dias todos,
Soy un usuario de postgres de Paraguay, consulto
sobre la posibilidad de inclucion en la futura version la siguiente
sentencia(Uso de alias en la condicion HAVING ):
SELECT id, sum(salario) as SumaSalario
FROM salarios
GROUP BY id
HAVING SumaSalario500;
I've wished for that syntax once or twice myself, but I'm assuming
there's a reason we haven't implemented it? Part of the problem is
it's inheritantly ambiguous if salarios happens to contain a column
called sumasalario, which is a problem that seems to arise for me
fairly regularly in practice. Still, it would be nice for WHERE/GROUP
BY/HAVING clauses to have an explicit way to reference the target
list column called foo.
...Robert
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