[jira] [Work logged] (HIVE-21200) Vectorization: date column throwing java.lang.UnsupportedOperationException for parquet

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-21200?focusedWorklogId=596565&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-596565 ]

ASF GitHub Bot logged work on HIVE-21200:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 14/May/21 09:16
            Start Date: 14/May/21 09:16
    Worklog Time Spent: 10m 
      Work Description: adrian-wang opened a new pull request #2276:
URL: https://github.com/apache/hive/pull/2276


   …OperationException for parquet
   
   
   ### What changes were proposed in this pull request?
   The date type should be treated as int instead of long.
   
   
   ### Why are the changes needed?
   otherwise exception will be thrown when read parquet files with date column when vectorization is enabled.
   
   
   ### Does this PR introduce _any_ user-facing change?
   no.
   
   
   ### How was this patch tested?
   add a unit test for date.
   


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 596565)
    Remaining Estimate: 0h
            Time Spent: 10m

> Vectorization: date column throwing java.lang.UnsupportedOperationException for parquet
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-21200
>                 URL: https://issues.apache.org/jira/browse/HIVE-21200
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>    Affects Versions: 2.3.4
>            Reporter: Vipin Vishvkarma
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {code:java}
> set hive.vectorized.execution.enabled=true; 
> set hive.fetch.task.conversion=none; 
> create table t1(d date) stored as parquet; 
> insert into table t1 values("2019-01-01"); 
> select * from t1;
> {code}
> This query will throw java.lang.UnsupportedOperationException:
> {code:java}
> Caused by: java.lang.UnsupportedOperationException at org.apache.parquet.column.values.ValuesReader.readLong(ValuesReader.java:131) at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedPrimitiveColumnReader.readLongs(VectorizedPrimitiveColumnReader.java:297) at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedPrimitiveColumnReader.readBatchHelper(VectorizedPrimitiveColumnReader.java:176) at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedPrimitiveColumnReader.readBatch(VectorizedPrimitiveColumnReader.java:154) at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.nextBatch(VectorizedParquetRecordReader.java:292) at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.next(VectorizedParquetRecordReader.java:238) at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.next(VectorizedParquetRecordReader.java:64) at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:365)
> {code}
> Above query works fine with Hive 2.1.1 and Hive 3.1.x.



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