Tomasz Myrta <[EMAIL PROTECTED]> writes:
> I found some strange column alias behaviour:
That's how it is. The fact that you can reference output-column aliases
at all in GROUP BY or ORDER BY is a wart, because it conflicts with the
logical model of query evaluation --- the output list should be c
> select val1+val2 as val
> from some_table
> group by val having val>1;
> ERROR: Attribute "val" not found
>
> Is it a bug or a feature?
It's a mis-feature that group by accepts aliases of the select list.
Having is proper.
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