mayankkunwar commented on code in PR #5707:
URL: https://github.com/apache/hive/pull/5707#discussion_r2017236647
##########
ql/src/java/org/apache/hadoop/hive/ql/parse/GenTezUtils.java:
##########
@@ -182,6 +187,30 @@ public static ReduceWork createReduceWork(
return reduceWork;
}
+ private static boolean hasBucketMapJoin(Operator<? extends OperatorDesc>
operator) {
+ if (operator == null) {
+ return false;
+ }
+
+ // Iterate over child operators
+ for (Operator<? extends OperatorDesc> childOp :
operator.getChildOperators()) {
+ // Check if this is a MapJoinOperator and is a Bucket Map Join
+ if (childOp instanceof MapJoinOperator) {
+ MapJoinOperator mjOp = (MapJoinOperator) childOp;
+ if (mjOp.getConf().isBucketMapJoin()) {
+ return true; // Found BMJ, no need to check further
+ }
+ }
+
+ // Recursively check children
+ if (hasBucketMapJoin(childOp)) {
+ return true;
+ }
Review Comment:
The query mentioned by @okumin is working with or without these changes. But
the query mentioned in this PR is the problematic one.
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