mayankkunwar commented on code in PR #5707:
URL: https://github.com/apache/hive/pull/5707#discussion_r2027182609
##########
ql/src/java/org/apache/hadoop/hive/ql/parse/GenTezUtils.java:
##########
@@ -182,6 +187,41 @@ public static ReduceWork createReduceWork(
return reduceWork;
}
+ /**
+ * Checks if there is a Bucket Map Join (BMJ) following a hierarchy:
+ * ReduceSinkOperator (RS) -> ReduceSinkOperator (RS) -> MapJoinOperator
(MJ).
+ * Ensures at most **two** RSOs before MJ.
Review Comment:
Thanks
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