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From "Liang Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CARBONDATA-1477) wrong values shown when fetching date type values in hive
Date Sat, 16 Sep 2017 08:40:00 GMT

    [ https://issues.apache.org/jira/browse/CARBONDATA-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168859#comment-16168859
] 

Liang Chen commented on CARBONDATA-1477:
----------------------------------------

[~anubhavtarar] can you provide data.csv file which you tested, let me reproduce it.

> wrong values shown when fetching date type values in hive
> ---------------------------------------------------------
>
>                 Key: CARBONDATA-1477
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-1477
>             Project: CarbonData
>          Issue Type: Bug
>          Components: hive-integration
>    Affects Versions: 1.2.0
>         Environment: hive1.2.1,spark2.1
>            Reporter: anubhav tarar
>            Assignee: anubhav tarar
>            Priority: Trivial
>          Time Spent: 2h 40m
>  Remaining Estimate: 0h
>
> {code} 
>  import org.apache.spark.sql.CarbonSession._
>     val carbonSession = SparkSession
>       .builder()
>       .master("local")
>       .appName("HiveExample")
>       .config("carbonSession.sql.warehouse.dir", warehouse).enableHiveSupport()
>       .getOrCreateCarbonSession(
>         store)
>     carbonSession.sql("""DROP TABLE IF EXISTS HIVE_CARBON_EXAMPLE""".stripMargin)
>     carbonSession
>       .sql(
>         """CREATE TABLE HIVE_CARBON_EXAMPLE (ID int,NAME string,SALARY double,JOININGDATE
date) STORED BY
>           |'CARBONDATA' """
>           .stripMargin)
>     carbonSession.sql(
>       s"""
>            LOAD DATA LOCAL INPATH '$rootPath/integration/hive/src/main/resources/data.csv'
INTO
>            TABLE
>          HIVE_CARBON_EXAMPLE
>            """)
>     carbonSession.sql("SELECT * FROM HIVE_CARBON_EXAMPLE").show()
>     carbonSession.stop()
>     try {
>       Class.forName(driverName)
>     }
>     catch {
>       case classNotFoundException: ClassNotFoundException =>
>         classNotFoundException.printStackTrace()
>     }
>     HiveEmbeddedServer.start()
>     val port = HiveEmbeddedServer.getFreePort
>     val connection = DriverManager.getConnection(s"jdbc:hive2://localhost:8000/default",
"", "")
>     val statement: Statement = connection.createStatement
>     logger.info(s"============HIVE CLI IS STARTED ON PORT $port ==============")
>     statement.execute("CREATE TABLE IF NOT EXISTS " + "HIVE_CARBON_EXAMPLE " +
>                       " (ID int, NAME string,SALARY double,JOININGDATE date)")
>     statement
>       .execute(
>         "ALTER TABLE HIVE_CARBON_EXAMPLE SET FILEFORMAT INPUTFORMAT \"org.apache.carbondata."
+
>         "hive.MapredCarbonInputFormat\"OUTPUTFORMAT \"org.apache.carbondata.hive." +
>         "MapredCarbonOutputFormat\"SERDE \"org.apache.carbondata.hive." +
>         "CarbonHiveSerDe\" ")
>     statement
>       .execute(
>         "ALTER TABLE HIVE_CARBON_EXAMPLE SET LOCATION " +
>         s"'file:///$store/default/hive_carbon_example' ")
>     val sql = "SELECT * FROM HIVE_CARBON_EXAMPLE"
>     val resultSet: ResultSet = statement.executeQuery(sql)
>     var rowsFetched = 0
>     while (resultSet.next) {
>      println("*********"+resultSet.getString("JOININGDATE"))
>     }
>     println(s"******Total Number Of Rows Fetched ****** $rowsFetched")
>     logger.info("Fetching the Individual Columns ")
>     HiveEmbeddedServer.stop()
> {code} 
> actual result 
> *********null
> *********1970-01-01
> values in my csv are
> ID,NAME,SALARY,JOININGDATE
> 1,'liang',200000,2016-03-14
> 2,'anubhav',20000,2019/03/17



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