Jackie-Jiang commented on a change in pull request #7959:
URL: https://github.com/apache/pinot/pull/7959#discussion_r791006174
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File path:
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/BaseBrokerRequestHandler.java
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@@ -1487,6 +1498,41 @@ static void updateColumnNames(String rawTableName,
PinotQuery pinotQuery, boolea
}
}
+ private static void expandStarExpressionToActualColumns(PinotQuery
pinotQuery, Map<String, String> columnNameMap,
+ Expression selectStarExpr) {
+ List<Expression> originalSelections = pinotQuery.getSelectList();
+ Set<String> originallySelectedColumnNames =
Review comment:
Avoid using stream apis in query path because we have found that it has
poorer performance comparing to regular apis.
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