jcamachor commented on a change in pull request #731: HIVE-19113
URL: https://github.com/apache/hive/pull/731#discussion_r306117688
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File path:
ql/src/test/results/clientpositive/llap/dynamic_semijoin_reduction_3.q.out
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@@ -582,7 +584,7 @@ STAGE PLANS:
Reducer 4 <- Reducer 3 (SIMPLE_EDGE)
Reducer 5 <- Reducer 3 (SIMPLE_EDGE)
Reducer 6 <- Reducer 3 (SIMPLE_EDGE)
- Reducer 7 <- Reducer 3 (CUSTOM_SIMPLE_EDGE)
Review comment:
This is the INSERT branch of a merge statement. Bucketing key (`clustered by
(a)`) is same that is present in the right outer join hence it seems fine.
```explain merge into acidTbl as t using nonAcidOrcTbl s ON t.a = s.a
WHEN MATCHED AND s.a > 8 THEN DELETE
WHEN MATCHED THEN UPDATE SET b = 7
WHEN NOT MATCHED THEN INSERT VALUES(s.a, s.b)```
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