[ 
https://issues.apache.org/jira/browse/HIVE-28598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

yongzhi.shao updated HIVE-28598:
--------------------------------
    Description: 
Currently, we have found that in some scenarios, join operations using two 
iceberg tables may result in NPEs.

ERROR-INFO:
{code:java}
Caused by: java.lang.RuntimeException: 
org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while 
processing row 
        at 
org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:110)
        at 
org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:83)
        at 
org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:414)
        at 
org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:293)
        ... 16 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error 
while processing row 
        at 
org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:993)
        at 
org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:101)
        ... 19 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Error evaluating 
_col0
        at 
org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:149)
        at 
org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:931)
        at 
org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:158)
        at 
org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:919)
        at 
org.apache.hadoop.hive.ql.exec.vector.VectorFilterOperator.process(VectorFilterOperator.java:135)
        at 
org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:919)
        at 
org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:171)
        at 
org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.deliverVectorizedRowBatch(VectorMapOperator.java:809)
        at 
org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:878)
        ... 20 more
Caused by: java.lang.NullPointerException
        at org.apache.hive.common.util.Murmur3.hash32(Murmur3.java:144)
        at 
org.apache.hadoop.hive.ql.exec.vector.expressions.MurmurHashStringColStringCol.hash(MurmurHashStringColStringCol.java:52)
        at 
org.apache.hadoop.hive.ql.exec.vector.expressions.MurmurHashExpression.evaluate(MurmurHashExpression.java:97)
        at 
org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:146)
        ... 28 more {code}
The steps to reproduce the problem are as follows:

INIT-SQL:
{code:java}
CREATE TABLE T1 
(
 ID  STRING,
 ID2 STRING,
 ID3 STRING 
)STORED BY ICEBERG STORED AS ORC;

CREATE TABLE T2 
(
 ID  STRING,
 ID2 STRING 
)STORED BY ICEBERG STORED AS ORC;

CREATE TABLE T1_ORC
(
 ID  STRING,
 ID2 STRING,
 ID3 STRING 
)STORED AS ORC;

CREATE TABLE T2_ORC
(
 ID  STRING,
 ID2 STRING 
)STORED AS ORC; {code}
 

 

1. When the bucket_version of the T1 table is different from that of the T2 
table, running the SQL shown below will throw an error:

 
{code:java}
select count(1)
from 
(select ID,ID2,ID3 from test.t1) t
left join
(select ID,ID2 from test.t2)  t2
on t.ID = t2.ID and t.ID2 = t2.ID2; {code}
2.When the BUCKET_VERSION of the T1 and T2 tables are the same, problem 1 
disappears, but the following SQL still throws an exception:
{code:java}
select count(1)
from 
(select ID,ID2 from test.t1 WHERE ID3='NORMAL') t
left join
(select ID,ID2 from test.t2)  t2
on t.ID = t2.ID and t.ID2 = t2.ID2; {code}
When I replace the T1 T2 table with the T1_ORC T2_ORC table, the SQL executes 
fine.

 

  was:
Currently, we have found that in some scenarios, join operations using two 
iceberg tables may result in NPEs.

INIT-SQL:

 
{code:java}
CREATE TABLE T1 
(
 ID  STRING,
 ID2 STRING,
 ID3 STRING 
)STORED BY ICEBERG STORED AS ORC;

CREATE TABLE T2 
(
 ID  STRING,
 ID2 STRING 
)STORED BY ICEBERG STORED AS ORC;

CREATE TABLE T1_ORC
(
 ID  STRING,
 ID2 STRING,
 ID3 STRING 
)STORED AS ORC;

CREATE TABLE T2_ORC
(
 ID  STRING,
 ID2 STRING 
)STORED AS ORC; {code}
 

 

1. When the bucket_version of the T1 table is different from that of the T2 
table, running the SQL shown below will throw an error:

 
{code:java}
select count(1)
from 
(select ID,ID2,ID3 from test.t1) t
left join
(select ID,ID2 from test.t2)  t2
on t.ID = t2.ID and t.ID2 = t2.ID2; {code}
2.When the BUCKET_VERSION of the T1 and T2 tables are the same, problem 1 
disappears, but the following SQL still throws an exception:
{code:java}
select count(1)
from 
(select ID,ID2 from test.t1 WHERE ID3='NORMAL') t
left join
(select ID,ID2 from test.t2)  t2
on t.ID = t2.ID and t.ID2 = t2.ID2; {code}
When I replace the T1 T2 table with the T1_ORC T2_ORC table, the SQL executes 
fine.

 


> Join by using two iceberg table may cause NPE
> ---------------------------------------------
>
>                 Key: HIVE-28598
>                 URL: https://issues.apache.org/jira/browse/HIVE-28598
>             Project: Hive
>          Issue Type: Bug
>      Security Level: Public(Viewable by anyone) 
>          Components: Iceberg integration, Query Processor
>    Affects Versions: 4.0.1
>            Reporter: yongzhi.shao
>            Priority: Major
>
> Currently, we have found that in some scenarios, join operations using two 
> iceberg tables may result in NPEs.
> ERROR-INFO:
> {code:java}
> Caused by: java.lang.RuntimeException: 
> org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while 
> processing row 
>         at 
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:110)
>         at 
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:83)
>         at 
> org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:414)
>         at 
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:293)
>         ... 16 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime 
> Error while processing row 
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:993)
>         at 
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:101)
>         ... 19 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Error evaluating 
> _col0
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:149)
>         at 
> org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:931)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:158)
>         at 
> org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:919)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorFilterOperator.process(VectorFilterOperator.java:135)
>         at 
> org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:919)
>         at 
> org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:171)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.deliverVectorizedRowBatch(VectorMapOperator.java:809)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:878)
>         ... 20 more
> Caused by: java.lang.NullPointerException
>         at org.apache.hive.common.util.Murmur3.hash32(Murmur3.java:144)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.expressions.MurmurHashStringColStringCol.hash(MurmurHashStringColStringCol.java:52)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.expressions.MurmurHashExpression.evaluate(MurmurHashExpression.java:97)
>         at 
> org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:146)
>         ... 28 more {code}
> The steps to reproduce the problem are as follows:
> INIT-SQL:
> {code:java}
> CREATE TABLE T1 
> (
>  ID  STRING,
>  ID2 STRING,
>  ID3 STRING 
> )STORED BY ICEBERG STORED AS ORC;
> CREATE TABLE T2 
> (
>  ID  STRING,
>  ID2 STRING 
> )STORED BY ICEBERG STORED AS ORC;
> CREATE TABLE T1_ORC
> (
>  ID  STRING,
>  ID2 STRING,
>  ID3 STRING 
> )STORED AS ORC;
> CREATE TABLE T2_ORC
> (
>  ID  STRING,
>  ID2 STRING 
> )STORED AS ORC; {code}
>  
>  
> 1. When the bucket_version of the T1 table is different from that of the T2 
> table, running the SQL shown below will throw an error:
>  
> {code:java}
> select count(1)
> from 
> (select ID,ID2,ID3 from test.t1) t
> left join
> (select ID,ID2 from test.t2)  t2
> on t.ID = t2.ID and t.ID2 = t2.ID2; {code}
> 2.When the BUCKET_VERSION of the T1 and T2 tables are the same, problem 1 
> disappears, but the following SQL still throws an exception:
> {code:java}
> select count(1)
> from 
> (select ID,ID2 from test.t1 WHERE ID3='NORMAL') t
> left join
> (select ID,ID2 from test.t2)  t2
> on t.ID = t2.ID and t.ID2 = t2.ID2; {code}
> When I replace the T1 T2 table with the T1_ORC T2_ORC table, the SQL executes 
> fine.
>  



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