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

Class GenericUDFDateSub

java.lang.Object

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

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

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

All Implemented Interfaces:

Closeable, AutoCloseable

public class GenericUDFDateSub
extends GenericUDFDateAdd

UDFDateSub. Subtract a number of days to the date. The time part of the string will be ignored. NOTE: This is a subset of what MySQL offers as: http://dev.mysql.com/doc/refman /5.1/en/date-and-time-functions.html#function_date-sub

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.GenericUDFDateAdd

signModifier

Constructor Summary

Constructors

Constructor and Description
GenericUDFDateSub()

Method Summary

Modifier and Type	Method and Description
String	getDisplayString(String[] children) Get the String to be displayed in explain.

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

evaluate, initialize

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

checkArgGroups, checkArgPrimitive, checkArgsSize, close, configure, copyToNewInstance, flip, getArgOrder, getConstantBooleanValue, getConstantIntValue, getConstantStringValue, getDateValue, getDoubleValue, getFuncName, getIntervalDayTimeValue, getIntervalYearMonthValue, 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

GenericUDFDateSub

public GenericUDFDateSub()

Method Detail

getDisplayString

public String getDisplayString(String[] children)

Description copied from class: GenericUDF

Get the String to be displayed in explain.

Overrides:

getDisplayString in class GenericUDFDateAdd