Jackie-Jiang commented on code in PR #11112:
URL: https://github.com/apache/pinot/pull/11112#discussion_r1263997923
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pinot-core/src/main/java/org/apache/pinot/core/operator/query/SelectionOnlyOperator.java:
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@@ -75,6 +75,8 @@ public SelectionOnlyOperator(IndexSegment indexSegment,
QueryContext queryContex
_dataSchema = new DataSchema(columnNames, columnDataTypes);
_numRowsToKeep = queryContext.getLimit();
+ // TODO(gortiz): I think this is incorrect. The
SelectionOperatorUtils.MAX_ROW_HOLDER_INITIAL_CAPACITY limit
+ // is not enforced later in getNextBlock
Review Comment:
We need to limit the initial list size because it might not be filled up. In
a lot of scenario `LIMIT` can be very large (could be Integer.MAX_VALUE)
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