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https://issues.apache.org/jira/browse/HIVE-22368?focusedWorklogId=330383&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-330383
]
ASF GitHub Bot logged work on HIVE-22368:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Oct/19 09:10
Start Date: 18/Oct/19 09:10
Worklog Time Spent: 10m
Work Description: zbtcrazybuddy commented on pull request #822:
HIVE-22368 Hive JDBC Storage Handler: some mysql data type can not be cast to
hive data type
URL: https://github.com/apache/hive/pull/822
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> 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: 10m
> 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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