Jackie-Jiang commented on a change in pull request #5715:
URL: https://github.com/apache/incubator-pinot/pull/5715#discussion_r457626980
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File path:
pinot-common/src/main/java/org/apache/pinot/sql/parsers/CalciteSqlParser.java
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@@ -113,32 +113,11 @@ private static void
validateSelectionClause(Map<Identifier, Expression> aliasMap
// Sanity check on selection expression shouldn't use alias reference.
Review comment:
We should not remove the sanity check on usage of alias reference
E.g. we should reject the following query:
```
SELECT colA AS a, foo(a, colB) FROM table
```
Another way is to replace the alias reference in selection as well
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