org.apache.hadoop.hive.ql.udf.generic

Class GenericUDFOPDTIMinus

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDF

org.apache.hadoop.hive.ql.udf.generic.GenericUDFBaseBinary

org.apache.hadoop.hive.ql.udf.generic.GenericUDFBaseDTI

org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPDTIMinus

All Implemented Interfaces:

Closeable, AutoCloseable

public class GenericUDFOPDTIMinus
extends GenericUDFBaseDTI

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

GenericUDF.DeferredJavaObject, GenericUDF.DeferredObject

Field Summary

Fields

Modifier and Type	Field and Description
protected DateWritable	dateResult
protected ObjectInspectorConverters.Converter	dt1Converter
protected ObjectInspectorConverters.Converter	dt2Converter
protected int	dtArg1Idx
protected int	dtArg2Idx
protected DateTimeMath	dtm
protected int	intervalArg1Idx
protected int	intervalArg2Idx
protected HiveIntervalDayTimeWritable	intervalDayTimeResult
protected HiveIntervalYearMonthWritable	intervalYearMonthResult
protected org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPDTIMinus.OperationType	minusOpType
protected TimestampWritable	timestampResult

Fields inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBaseDTI

inputOIs

Fields inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBaseBinary

opDisplayName, opName

Constructor Summary

Constructors

Constructor and Description
GenericUDFOPDTIMinus()

Method Summary

Methods

Modifier and Type	Method and Description
Object	evaluate(GenericUDF.DeferredObject[] arguments) Evaluate the GenericUDF with the arguments.
protected DateWritable	handleDateResult(Date result)
protected HiveIntervalDayTimeWritable	handleIntervalDayTimeResult(HiveIntervalDayTime result)
protected HiveIntervalYearMonthWritable	handleIntervalYearMonthResult(HiveIntervalYearMonth result)
protected TimestampWritable	handleTimestampResult(Timestamp result)
ObjectInspector	initialize(ObjectInspector[] arguments) Initialize this GenericUDF.

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBaseDTI

checkArgs

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDFBaseBinary

getDisplayString

Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.GenericUDF

checkArgGroups, checkArgPrimitive, checkArgsSize, close, configure, copyToNewInstance, flip, getArgOrder, getConstantIntValue, getConstantLongValue, getConstantStringValue, getDateValue, getDoubleValue, getFuncName, getIntValue, getLongValue, getRequiredFiles, getRequiredJars, getStandardDisplayString, getStandardDisplayString, getStringValue, getTimestampValue, getUdfName, initializeAndFoldConstants, negative, obtainDateConverter, obtainDoubleConverter, obtainIntConverter, obtainLongConverter, obtainStringConverter, obtainTimestampConverter

Methods inherited from class java.lang.Object

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

Field Detail

dtm

protected transient DateTimeMath dtm

minusOpType

protected transient org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPDTIMinus.OperationType minusOpType

intervalArg1Idx

protected transient int intervalArg1Idx

intervalArg2Idx

protected transient int intervalArg2Idx

dtArg1Idx

protected transient int dtArg1Idx

dtArg2Idx

protected transient int dtArg2Idx

dt1Converter

protected transient ObjectInspectorConverters.Converter dt1Converter

dt2Converter

protected transient ObjectInspectorConverters.Converter dt2Converter

dateResult

protected transient DateWritable dateResult

timestampResult

protected transient TimestampWritable timestampResult

intervalYearMonthResult

protected transient HiveIntervalYearMonthWritable intervalYearMonthResult

intervalDayTimeResult

protected transient HiveIntervalDayTimeWritable intervalDayTimeResult

Constructor Detail

GenericUDFOPDTIMinus

public GenericUDFOPDTIMinus()

Method Detail

initialize

public ObjectInspector initialize(ObjectInspector[] arguments)
                           throws UDFArgumentException

Description copied from class: GenericUDF

Initialize this GenericUDF. This will be called once and only once per GenericUDF instance.

Specified by:

initialize in class GenericUDF

Parameters:

arguments - The ObjectInspector for the arguments

Returns:

The ObjectInspector for the return value

Throws:

UDFArgumentException - Thrown when arguments have wrong types, wrong length, etc.

evaluate

public Object evaluate(GenericUDF.DeferredObject[] arguments)
                throws HiveException

Description copied from class: GenericUDF

Evaluate the GenericUDF with the arguments.

Specified by:

evaluate in class GenericUDF

Parameters:

arguments - The arguments as DeferedObject, use DeferedObject.get() to get the actual argument Object. The Objects can be inspected by the ObjectInspectors passed in the initialize call.

Returns:

The

Throws:

HiveException

handleDateResult

protected DateWritable handleDateResult(Date result)

handleTimestampResult

protected TimestampWritable handleTimestampResult(Timestamp result)

handleIntervalYearMonthResult

protected HiveIntervalYearMonthWritable handleIntervalYearMonthResult(HiveIntervalYearMonth result)

handleIntervalDayTimeResult

protected HiveIntervalDayTimeWritable handleIntervalDayTimeResult(HiveIntervalDayTime result)