org.apache.hadoop.hive.ql.io.parquet.serde

Class ParquetHiveSerDe

java.lang.Object

org.apache.hadoop.hive.serde2.AbstractSerDe

org.apache.hadoop.hive.ql.io.parquet.serde.ParquetHiveSerDe

All Implemented Interfaces:

Deserializer, SerDe, Serializer

public class ParquetHiveSerDe
extends AbstractSerDe

A ParquetHiveSerDe for Hive (with the deprecated package mapred)

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.hadoop.io.Text	ARRAY
static org.apache.hadoop.io.Text	MAP
static org.apache.hadoop.io.Text	MAP_KEY
static org.apache.hadoop.io.Text	MAP_VALUE
static int[]	PRECISION_TO_BYTE_COUNT

Fields inherited from class org.apache.hadoop.hive.serde2.AbstractSerDe

configErrors

Constructor Summary

Constructors

Constructor and Description
ParquetHiveSerDe()

Method Summary

Methods

Modifier and Type	Method and Description
Object	deserialize(org.apache.hadoop.io.Writable blob)
ObjectInspector	getObjectInspector()
SerDeStats	getSerDeStats()
Class<? extends org.apache.hadoop.io.Writable>	getSerializedClass()
void	initialize(org.apache.hadoop.conf.Configuration conf, Properties tbl)
org.apache.hadoop.io.Writable	serialize(Object obj, ObjectInspector objInspector)

Methods inherited from class org.apache.hadoop.hive.serde2.AbstractSerDe

getConfigurationErrors, initialize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MAP_KEY

public static final org.apache.hadoop.io.Text MAP_KEY

MAP_VALUE

public static final org.apache.hadoop.io.Text MAP_VALUE

MAP

public static final org.apache.hadoop.io.Text MAP

ARRAY

public static final org.apache.hadoop.io.Text ARRAY

PRECISION_TO_BYTE_COUNT

public static final int[] PRECISION_TO_BYTE_COUNT

Constructor Detail

ParquetHiveSerDe

public ParquetHiveSerDe()

Method Detail

initialize

public final void initialize(org.apache.hadoop.conf.Configuration conf,
              Properties tbl)
                      throws SerDeException

Specified by:

initialize in interface Deserializer

Specified by:

initialize in interface Serializer

Specified by:

initialize in class AbstractSerDe

Throws:

SerDeException

deserialize

public Object deserialize(org.apache.hadoop.io.Writable blob)
                   throws SerDeException

Specified by:

deserialize in interface Deserializer

Specified by:

deserialize in class AbstractSerDe

Throws:

SerDeException

getObjectInspector

public ObjectInspector getObjectInspector()
                                   throws SerDeException

Specified by:

getObjectInspector in interface Deserializer

Specified by:

getObjectInspector in class AbstractSerDe

Throws:

SerDeException

getSerializedClass

public Class<? extends org.apache.hadoop.io.Writable> getSerializedClass()

Specified by:

getSerializedClass in interface Serializer

Specified by:

getSerializedClass in class AbstractSerDe

serialize

public org.apache.hadoop.io.Writable serialize(Object obj,
                                      ObjectInspector objInspector)
                                        throws SerDeException

Specified by:

serialize in interface Serializer

Specified by:

serialize in class AbstractSerDe

Throws:

SerDeException

getSerDeStats

public SerDeStats getSerDeStats()

Specified by:

getSerDeStats in interface Deserializer

Specified by:

getSerDeStats in interface Serializer

Specified by:

getSerDeStats in class AbstractSerDe