Github user Ben-Zvi commented on a diff in the pull request: https://github.com/apache/drill/pull/860#discussion_r127077314 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/xsort/managed/PriorityQueueCopierWrapper.java --- @@ -100,10 +102,12 @@ private PriorityQueueCopier newCopier(VectorAccessible batch) { * @param batchGroupList * @param outputContainer * @param targetRecordCount + * @param allocHelper * @return */ - public BatchMerger startMerge(BatchSchema schema, List<? extends BatchGroup> batchGroupList, VectorContainer outputContainer, int targetRecordCount) { - return new BatchMerger(this, schema, batchGroupList, outputContainer, targetRecordCount); + public BatchMerger startMerge(BatchSchema schema, List<? extends BatchGroup> batchGroupList, --- End diff -- How about creating another **startMerge(...)** without the last **allocHelper** parameter, which would then call **BatchMerger(......., null)** ; this new overloaded one would be used in places like TestCopier.java, instead of adding a last null parameter there.
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