opt/optbuilder: Fix bug with ORDER BY and aggregate alias #25455
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This commit fixes a bug in which ordering by an alias of
an aggregate causes an error.
Queries such as:
SELECT SUM(a) AS a2 FROM abcd GROUP BY c ORDER BY a2
were incorrectly causing the error:
error: column "a2" must appear in the GROUP BY clause or be used in an aggregate function
This commit fixes that issue, so now the query builds successfully.
Release note: None