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

Class GenericUDFOPMinus

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.GenericUDFBaseArithmetic

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

All Implemented Interfaces:

Closeable, AutoCloseable

public class GenericUDFOPMinus
extends GenericUDFBaseArithmetic

Nested Class Summary

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

GenericUDF.DeferredJavaObject, GenericUDF.DeferredObject

Field Summary

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

ansiSqlArithmetic, confLookupNeeded

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

opDisplayName, opName

Constructor Summary

Constructors

Constructor and Description
GenericUDFOPMinus()

Method Summary

Methods

Modifier and Type	Method and Description
protected GenericUDF	instantiateDTIUDF() Instantiate date-time/interval version of the arithmetic UDF
protected GenericUDFBaseNumeric	instantiateNumericUDF() Instantiate numeric version of the arithmetic UDF

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

copyToNewInstance, evaluate, initialize

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, 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

Constructor Detail

GenericUDFOPMinus

public GenericUDFOPMinus()

Method Detail

instantiateNumericUDF

protected GenericUDFBaseNumeric instantiateNumericUDF()

Description copied from class: GenericUDFBaseArithmetic

Instantiate numeric version of the arithmetic UDF

Specified by:

instantiateNumericUDF in class GenericUDFBaseArithmetic

Returns:

arithmetic UDF for numeric types

instantiateDTIUDF

protected GenericUDF instantiateDTIUDF()

Description copied from class: GenericUDFBaseArithmetic

Instantiate date-time/interval version of the arithmetic UDF

Specified by:

instantiateDTIUDF in class GenericUDFBaseArithmetic

Returns:

arithmetic UDF for date-time/interval types