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From "anubhav tarar (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CARBONDATA-1102) Selecting Int type in hive from carbon table is showing class cast exception
Date Tue, 30 May 2017 16:21:05 GMT

    [ https://issues.apache.org/jira/browse/CARBONDATA-1102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16029633#comment-16029633
] 

anubhav tarar edited comment on CARBONDATA-1102 at 5/30/17 4:21 PM:
--------------------------------------------------------------------

[~cenyuhai] i am working on some prs for hive, all of them are failing due to this issue specialy
the carbondata vs orc performance pr i guess earlier short,int were taking as long but now
they are taking their respective ranges in master branch, so i think its better to remove
this issue earlier so i can easily continue ,can i create a seperate pr for correcting them?


was (Author: anubhavtarar):
[~cenyuhai] i am working on some prs for hive, all of them are failing due to this issue specialy
the hive vs orc performance pr i guess earlier short,int were taking as long but now they
are taking their respective ranges in master branch, so i think its better to remove this
issue earlier so i can easily continue ,can i create a seperate pr for correcting them?

> Selecting Int type in hive from carbon table is showing class cast exception
> ----------------------------------------------------------------------------
>
>                 Key: CARBONDATA-1102
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-1102
>             Project: CarbonData
>          Issue Type: Bug
>          Components: hive-integration
>    Affects Versions: 1.2.0
>         Environment: hive,spark 2.1
>            Reporter: anubhav tarar
>            Assignee: anubhav tarar
>            Priority: Trivial
>
> in carbon
> 0: jdbc:hive2://localhost:10000> CREATE TABLE ALLDATATYPETEST(ID INT,NAME STRING,SALARY
DECIMAL,MARKS DOUBLE,JOININGDATE DATE,LEAVINGDATE TIMESTAMP) STORED BY 'CARBONDATA' ;
> +---------+--+
> | Result  |
> +---------+--+
> +---------+--+
> No rows selected (3.702 seconds)
> 0: jdbc:hive2://localhost:10000> LOAD DATA INPATH 'hdfs://localhost:54310/alldatatypetest.csv'
into table alldatatypetest;
> +---------+--+
> | Result  |
> +---------+--+
> +---------+--+
> No rows selected (7.16 seconds)
> 0: jdbc:hive2://localhost:10000> SELECT * FROM ALLDATATYPETEST;
> +-----+------------+---------+--------+--------------+------------------------+--+
> | ID  |    NAME    | SALARY  | MARKS  | JOININGDATE  |      LEAVINGDATE       |
> +-----+------------+---------+--------+--------------+------------------------+--+
> | 1   | 'ANUBHAV'  | 200000  | 100.0  | 2016-04-14   | 2016-04-14 15:00:09.0  |
> | 2   | 'LIANG'    | 200000  | 100.0  | 2016-04-14   | 2016-04-14 15:00:09.0  |
> +-----+------------+---------+--------+--------------+------------------------+--+
> 2 rows selected (1.978 seconds)
> in hive
> hive> CREATE TABLE ALLDATATYPETEST(ID INT,NAME STRING,SALARY DECIMAL,MARKS DOUBLE,JOININGDATE
DATE,LEAVINGDATE TIMESTAMP) ROW FORMAT SERDE 'org.apache.carbondata.hive.CarbonHiveSerDe'
STORED AS INPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonInputFormat' OUTPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonOutputFormat'
TBLPROPERTIES ('spark.sql.sources.provider'='org.apache.spark.sql.CarbonSource');
> OK
> Time taken: 1.934 seconds
> hive> ALTER TABLE ALLDATATYPETEST SET LOCATION 'hdfs://localhost:54310/opt/carbonStore/default/alldatatypetest';
> OK
> Time taken: 1.192 seconds
> hive> SELECT * FROM ALLDATATYPETEST;
> OK
> Failed with exception java.io.IOException:java.lang.ClassCastException: java.lang.Integer
cannot be cast to java.lang.Long
> Time taken: 0.174 seconds



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