jtao15 commented on a change in pull request #6891:
URL: https://github.com/apache/incubator-pinot/pull/6891#discussion_r628564212
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/reduce/BrokerReduceService.java
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@@ -91,7 +91,8 @@ private static void updateAlias(QueryContext queryContext,
BrokerResponseNative
if (resultTable == null) {
return;
}
- Map<ExpressionContext, String> aliasMap = queryContext.getAliasMap();
+ // Use list to support multiple alias for the same column.
+ Map<ExpressionContext, List<String>> aliasMap = queryContext.getAliasMap();
Review comment:
Changed to use a list instead of map.
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