Re: BUG #12603: Results Ordering not correct

Guillaume Lelarge-3 wrote
>> SELECT DISTINCT businessunit AS bu_id,
>> '('||businessunit::TEXT||')'||businessunitname as businessunit FROM
> bug_test
>> ORDER BY businessunit;
>
> It is text. You renamed the second column businessunit.

To be more specific, the ORDER BY chooses an output column name before an
input column name.

http://www.postgresql.org/docs/9.1/static/sql-select.html

"Each expression can be the name or ordinal number of an output column
(SELECT list item), or it can be an arbitrary expression formed from
input-column values."

David J.



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