suddendust commented on a change in pull request #7959:
URL: https://github.com/apache/pinot/pull/7959#discussion_r796266819
##########
File path:
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/BaseBrokerRequestHandler.java
##########
@@ -1487,6 +1498,33 @@ static void updateColumnNames(String rawTableName,
PinotQuery pinotQuery, boolea
}
}
+ private static void expandStarExpressionsToActualColumns(PinotQuery
pinotQuery, Map<String, String> columnNameMap,
+ Expression selectStarExpr) {
+ List<Expression> originalSelections = pinotQuery.getSelectList();
+ //expand '*'
+ List<Expression> expandedSelections = new ArrayList<>();
+ for (String tableCol : columnNameMap.values()) {
+ Expression newSelection =
RequestUtils.createIdentifierExpression(tableCol);
+ //we exclude default virtual columns
+ if (tableCol.charAt(0) != '$') {
+ expandedSelections.add(newSelection);
+ }
+ }
+ //sort naturally
+ expandedSelections.sort(null);
+ ListIterator<Expression> li = originalSelections.listIterator();
Review comment:
Done, thanks!
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