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https://issues.apache.org/jira/browse/HIVE-18393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Janaki Lahorani updated HIVE-18393:
-----------------------------------
Attachment: HIVE-18393.1.patch
> Error returned when some other type is read as string from parquet tables
> -------------------------------------------------------------------------
>
> Key: HIVE-18393
> URL: https://issues.apache.org/jira/browse/HIVE-18393
> Project: Hive
> Issue Type: Bug
> Reporter: Janaki Lahorani
> Assignee: Janaki Lahorani
> Fix For: 3.0.0
>
> Attachments: HIVE-18393.1.patch
>
>
> TimeStamp, Decimal, Double, Float, BigInt, Int, SmallInt, Tinyint and Boolean
> when read as String, Varchar or Char should return the correct data. Now
> this results in error for parquet tables.
> Test Case:
> drop table if exists testAltCol;
> create table testAltCol
> (cId TINYINT,
> cTimeStamp TIMESTAMP,
> cDecimal DECIMAL(38,18),
> cDouble DOUBLE,
> cFloat FLOAT,
> cBigInt BIGINT,
> cInt INT,
> cSmallInt SMALLINT,
> cTinyint TINYINT,
> cBoolean BOOLEAN);
> insert into testAltCol values
> (1,
> '2017-11-07 09:02:49.999999999',
> 12345678901234567890.123456789012345678,
> 1.79e308,
> 3.4e38,
> 1234567890123456789,
> 1234567890,
> 12345,
> 123,
> TRUE);
> insert into testAltCol values
> (2,
> '1400-01-01 01:01:01.000000001',
> 1.1,
> 2.2,
> 3.3,
> 1,
> 2,
> 3,
> 4,
> FALSE);
> insert into testAltCol values
> (3,
> '1400-01-01 01:01:01.000000001',
> 10.1,
> 20.2,
> 30.3,
> 1234567890123456789,
> 1234567890,
> 12345,
> 123,
> TRUE);
> select cId, cTimeStamp from testAltCol order by cId;
> select cId, cDecimal, cDouble, cFloat from testAltCol order by cId;
> select cId, cBigInt, cInt, cSmallInt, cTinyint from testAltCol order by cId;
> select cId, cBoolean from testAltCol order by cId;
> drop table if exists testAltColP;
> create table testAltColP stored as parquet as select * from testAltCol;
> select cId, cTimeStamp from testAltColP order by cId;
> select cId, cDecimal, cDouble, cFloat from testAltColP order by cId;
> select cId, cBigInt, cInt, cSmallInt, cTinyint from testAltColP order by cId;
> select cId, cBoolean from testAltColP order by cId;
> alter table testAltColP replace columns
> (cId TINYINT,
> cTimeStamp STRING,
> cDecimal STRING,
> cDouble STRING,
> cFloat STRING,
> cBigInt STRING,
> cInt STRING,
> cSmallInt STRING,
> cTinyint STRING,
> cBoolean STRING);
> select cId, cTimeStamp from testAltColP order by cId;
> select cId, cDecimal, cDouble, cFloat from testAltColP order by cId;
> select cId, cBigInt, cInt, cSmallInt, cTinyint from testAltColP order by cId;
> select cId, cBoolean from testAltColP order by cId;
> alter table testAltColP replace columns
> (cId TINYINT,
> cTimeStamp VARCHAR(100),
> cDecimal VARCHAR(100),
> cDouble VARCHAR(100),
> cFloat VARCHAR(100),
> cBigInt VARCHAR(100),
> cInt VARCHAR(100),
> cSmallInt VARCHAR(100),
> cTinyint VARCHAR(100),
> cBoolean VARCHAR(100));
> select cId, cTimeStamp from testAltColP order by cId;
> select cId, cDecimal, cDouble, cFloat from testAltColP order by cId;
> select cId, cBigInt, cInt, cSmallInt, cTinyint from testAltColP order by cId;
> select cId, cBoolean from testAltColP order by cId;
> alter table testAltColP replace columns
> (cId TINYINT,
> cTimeStamp CHAR(100),
> cDecimal CHAR(100),
> cDouble CHAR(100),
> cFloat CHAR(100),
> cBigInt CHAR(100),
> cInt CHAR(100),
> cSmallInt CHAR(100),
> cTinyint CHAR(100),
> cBoolean CHAR(100));
> select cId, cTimeStamp from testAltColP order by cId;
> select cId, cDecimal, cDouble, cFloat from testAltColP order by cId;
> select cId, cBigInt, cInt, cSmallInt, cTinyint from testAltColP order by cId;
> select cId, cBoolean from testAltColP order by cId;
> drop table if exists testAltColP;
> Error:
> FAILED: Execution Error, return code 2 from
> org.apache.hadoop.hive.ql.exec.mr.MapRedTask
> Excerpt for log:
> 2018-01-05T15:54:05,756 ERROR [LocalJobRunner Map Task Executor #0]
> mr.ExecMapper: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
> Error while processing row [Error getting row data with exception
> java.lang.UnsupportedOperationException: Cannot inspect
> org.apache.hadoop.hive.serde2.io.TimestampWritable
> at
> org.apache.hadoop.hive.ql.io.parquet.serde.primitive.ParquetStringInspector.getPrimitiveJavaObject(ParquetStringInspector.java:77)
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