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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-19085) HIVE: impossible to insert abs(0) in a decimal column in a parquet's table
Date Sat, 31 Mar 2018 03:38:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-19085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-19085:
---------------------------
    Attachment: HIVE-19085.1.patch

> HIVE: impossible to insert abs(0)  in a decimal column in a parquet's table
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-19085
>                 URL: https://issues.apache.org/jira/browse/HIVE-19085
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive, Vectorization
>    Affects Versions: 2.3.2
>            Reporter: ACOSS
>            Assignee: Gopal V
>            Priority: Minor
>              Labels: fastdecimal, vectorization
>         Attachments: HIVE-19085.1.patch
>
>
> Hi,
> We use parquet's table to store the result of others query. Some query use the function
abs. If the function "abs" take 0 (type decimal)  in input, then the insert in the parquet's
table failed 
>  
> +Scenario:+
> create table test (col1 decimal(10,2)) stored as parquet;
> insert into test values(0);
> insert into test select abs(col1) from test;
>  
> +Result;+
> The insert query crash with the error:
>  
> 2018-03-30 17:39:02,123 FATAL [IPC Server handler 2 on 35885] org.apache.hadoop.mapred.TaskAttemptListenerImpl:
Task: attempt_1522311557218_0002_m_000000_0 - exited : java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row \{"col1":0}
> at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:169)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:175)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:169)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
processing row \{"col1":0}
> at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:562)
> at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:160)
>  ... 8 more
> Caused by: java.lang.RuntimeException: Unexpected #3
> at org.apache.hadoop.hive.common.type.FastHiveDecimalImpl.fastBigIntegerBytesUnscaled(FastHiveDecimalImpl.java:2550)
> at org.apache.hadoop.hive.common.type.FastHiveDecimalImpl.fastBigIntegerBytesScaled(FastHiveDecimalImpl.java:2806)
> at org.apache.hadoop.hive.common.type.FastHiveDecimal.fastBigIntegerBytesScaled(FastHiveDecimal.java:295)
> at org.apache.hadoop.hive.common.type.HiveDecimal.bigIntegerBytesScaled(HiveDecimal.java:712)
> at org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter$DecimalDataWriter.decimalToBinary(DataWritableWriter.java:521)
> at org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter$DecimalDataWriter.write(DataWritableWriter.java:514)
> at org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter$GroupDataWriter.write(DataWritableWriter.java:204)
> at org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter$MessageDataWriter.write(DataWritableWriter.java:220)
> at org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter.write(DataWritableWriter.java:91)
> at org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriteSupport.write(DataWritableWriteSupport.java:59)
> at org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriteSupport.write(DataWritableWriteSupport.java:31)
> at org.apache.parquet.hadoop.InternalParquetRecordWriter.write(InternalParquetRecordWriter.java:121)
> at org.apache.parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:123)
> at org.apache.parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:42)
> at org.apache.hadoop.hive.ql.io.parquet.write.ParquetRecordWriterWrapper.write(ParquetRecordWriterWrapper.java:112)
> at org.apache.hadoop.hive.ql.io.parquet.write.ParquetRecordWriterWrapper.write(ParquetRecordWriterWrapper.java:125)
> at org.apache.hadoop.hive.ql.exec.FileSinkOperator.process(FileSinkOperator.java:762)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:897)
> at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:897)
> at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:130)
> at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:148)
> at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:547)
>  
> Problem is probably due to the fastABS method. This method force "fastSignum" to 1 even
when the decimal is 0 (in this case  "fastSignum" must be egal  at 0).
>  
> Have a good day



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