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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-22368) Hive JDBC Storage Handler: some mysql data type can not be cast to hive data type
Date Fri, 28 Aug 2020 00:46:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-22368?focusedWorklogId=475612&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-475612
]

ASF GitHub Bot logged work on HIVE-22368:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 28/Aug/20 00:45
            Start Date: 28/Aug/20 00:45
    Worklog Time Spent: 10m 
      Work Description: github-actions[bot] commented on pull request #822:
URL: https://github.com/apache/hive/pull/822#issuecomment-682262017


   This pull request has been automatically marked as stale because it has not had recent
activity. It will be closed if no further activity occurs.
   Feel free to reach out on the dev@hive.apache.org list if the patch is in need of reviews.


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

    Worklog Id:     (was: 475612)
    Time Spent: 0.5h  (was: 20m)

> Hive JDBC Storage Handler: some mysql data type can not be cast to hive data type
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-22368
>                 URL: https://issues.apache.org/jira/browse/HIVE-22368
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 3.1.0, 4.0.0, 3.1.1
>            Reporter: zhangbutao
>            Assignee: zhangbutao
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0
>
>         Attachments: HIVE-22368.01.patch
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Mysql data type(date、timestamp、decimal)can not be cast to hive data type(date、timestamp、decimal)。
> step to repo(take date type for example):
> {code:java}
> //MySQL table:
> create table testdate(id date);
> //Hive table:
> CREATE EXTERNAL TABLE `hive_date`(               
>       id date )    
>     ROW FORMAT SERDE                                   
>       'org.apache.hive.storage.jdbc.JdbcSerDe'         
>     STORED BY                                          
>       'org.apache.hive.storage.jdbc.JdbcStorageHandler'                       
>     TBLPROPERTIES (                                                            
>       'hive.sql.database.type'='MYSQL',                                  
>       'hive.sql.dbcp.password'='hive',             
>       'hive.sql.dbcp.username'='hive',             
>       'hive.sql.jdbc.driver'='com.mysql.jdbc.Driver',  
>       'hive.sql.jdbc.url'='jdbc:mysql://hadoop/test',  
>       'hive.sql.table'='testdate');
> //Hive query:
> select * from hive_date;
> Error: java.io.IOException: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ClassCastException:
java.sql.Date cannot be cast to org.apache.hadoop.hive.common.type.Date (state=,code=0)
> //Error stack trace
> Caused by: java.lang.ClassCastException: java.sql.Date cannot be cast to org.apache.hadoop.hive.common.type.Date
>         at org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaDateObjectInspector.getPrimitiveJavaObject(JavaDateObjectInspector.java:41)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaDateObjectInspector.getPrimitiveJavaObject(JavaDateObjectInspector.java:27)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.copyToStandardObject(ObjectInspectorUtils.java:422)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.serde2.SerDeUtils.toThriftPayload(SerDeUtils.java:173)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.serde2.thrift.ThriftFormatter.convert(ThriftFormatter.java:49)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.ListSinkOperator.process(ListSinkOperator.java:94)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:995) ~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:941) ~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:928) ~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:995) ~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:941) ~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:125)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:519)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:511)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.exec.FetchTask.fetch(FetchTask.java:146) ~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.Driver.getResults(Driver.java:2706) ~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hadoop.hive.ql.reexec.ReExecDriver.getResults(ReExecDriver.java:229)
~[hive-exec-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         at org.apache.hive.service.cli.operation.SQLOperation.getNextRowSet(SQLOperation.java:460)
~[hive-service-3.1.0-bc3.0.1.jar:3.1.0-bc3.0.1]
>         ... 25 more
> {code}



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