deniskuzZ commented on code in PR #5409:
URL: https://github.com/apache/hive/pull/5409#discussion_r1813089859
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/ConvertJoinMapJoin.java:
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@@ -943,6 +988,10 @@ private boolean checkConvertJoinBucketMapJoin(JoinOperator
joinOp,
* this is the case when the big table is a sub-query and is probably
already bucketed by the
* join column in say a group by operation
*/
+ final CustomBucketFunction parentBucketFunction =
rs.getOpTraits().getCustomBucketFunctions().get(0);
+ int numBuckets = parentBucketFunction != null
+ ? parentBucketFunction.getNumBuckets()
Review Comment:
formatting, keep `:`, `?` on prev line
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