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https://issues.apache.org/jira/browse/HIVE-27006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17789108#comment-17789108
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Seonggon Namgung commented on HIVE-27006:
-----------------------------------------
[~dkuzmenko] , yes we could resolve it, too. This patch also resolves
HIVE-26660, which is caused by incorrect RuntimeValueInfo. The following link
points the corresponding code.
https://github.com/apache/hive/pull/4043/files#diff-4f9b5e51167247f6e23620b4e1c830690779936d79e2ab5954803894f5dc7478R160
> ParallelEdgeFixer inserts misconfigured operator and does not connect it in
> Tez DAG
> -----------------------------------------------------------------------------------
>
> Key: HIVE-27006
> URL: https://issues.apache.org/jira/browse/HIVE-27006
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 4.0.0-alpha-2
> Reporter: Seonggon Namgung
> Assignee: Seonggon Namgung
> Priority: Major
> Labels: hive-4.0.0-must, pull-request-available
> Fix For: 4.0.0
>
> Attachments: after.PEF.png, tez-dag.png
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Hive fails to run the below query on 1TB ORC formatted TPC-DS dataset because
> of runtime error happens in one Operator.
> I found that the problematic operator is inserted by ParallelEdgeFixer.
> Also I observed that the corresponding vertex has no descendant vertex
> although its ReduceSinkOperator has a SemiJoin edge connected to
> TableScanOperator.
> (I attached the figure of Tez DAG and OperatorGraph. One can check that
> Cluster6 and Cluster7 are connected while Reducer4 and Map7 are not.)
>
> Query
> {code:java}
> set hive.optimize.shared.work=true;
> set hive.optimize.shared.work.parallel.edge.support=true;
> with
> inv00 as (select inv_item_sk, inv_warehouse_sk from inventory, date_dim
> where inv_date_sk = d_date_sk and d_year = 2000),
> inv01 as (select inv_item_sk, inv_warehouse_sk from inventory, date_dim
> where inv_date_sk = d_date_sk and d_year = 2001),
> inv02 as (select inv_item_sk, inv_warehouse_sk from inventory, date_dim
> where inv_date_sk = d_date_sk and d_year = 2002),
> sd00 as (select inv_item_sk id, w_zip zip from inv00 full outer join
> warehouse on inv_warehouse_sk = w_warehouse_sk where w_state = 'SD'),
> sd01 as (select inv_item_sk id, w_zip zip from inv01 full outer join
> warehouse on inv_warehouse_sk = w_warehouse_sk where w_state = 'SD'),
> sd02 as (select inv_item_sk id, w_zip zip from inv02 full outer join
> warehouse on inv_warehouse_sk = w_warehouse_sk where w_state = 'SD')
> select * from sd00, sd01, sd02 where sd00.id = sd01.id and sd00.id = sd02.id;
> {code}
>
> Error message
> {code:java}
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
> Error while processing row
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:385)
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:301)
> ... 18 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> java.lang.RuntimeException: cannot find field _col0 from []
> at
> org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.process(ReduceSinkOperator.java:384)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
> at
> org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:94)
> at
> org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:370)
> ... 19 more
> Caused by: java.lang.RuntimeException: cannot find field _col0 from []
> at
> org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.getStandardStructFieldRef(ObjectInspectorUtils.java:550)
> at
> org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector.getStructFieldRef(StandardStructObjectInspector.java:153)
> at
> org.apache.hadoop.hive.ql.exec.ExprNodeColumnEvaluator.initialize(ExprNodeColumnEvaluator.java:56)
> at
> org.apache.hadoop.hive.ql.exec.Operator.initEvaluators(Operator.java:1073)
> at
> org.apache.hadoop.hive.ql.exec.Operator.initEvaluatorsAndReturnStruct(Operator.java:1099)
> at
> org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.process(ReduceSinkOperator.java:305)
> ... 22 more {code}
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