org.apache.hadoop.hive.ql.util

Class DateTimeMath

java.lang.Object

org.apache.hadoop.hive.ql.util.DateTimeMath

public class DateTimeMath
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected Calendar	calLocal
protected Calendar	calUtc
protected org.apache.hadoop.hive.ql.util.DateTimeMath.NanosResult	nanosResult

Constructor Summary

Constructors

Constructor and Description
DateTimeMath()

Method Summary

Methods

Modifier and Type	Method and Description
Date	add(Date dt, HiveIntervalYearMonth interval)
HiveIntervalDayTime	add(HiveIntervalDayTime left, HiveIntervalDayTime right)
HiveIntervalYearMonth	add(HiveIntervalYearMonth left, HiveIntervalYearMonth right)
Timestamp	add(Timestamp ts, HiveIntervalDayTime interval)
Timestamp	add(Timestamp ts, HiveIntervalYearMonth interval)
long	addMonthsToDays(long days, int months)
long	addMonthsToMillisLocal(long millis, int months) Perform month arithmetic to millis value using local time zone.
long	addMonthsToMillisUtc(long millis, int months) Perform month arithmetic to millis value using UTC time zone.
long	addMonthsToNanosLocal(long nanos, int months)
long	addMonthsToNanosUtc(long nanos, int months)
Date	subtract(Date left, HiveIntervalYearMonth right)
HiveIntervalDayTime	subtract(HiveIntervalDayTime left, HiveIntervalDayTime right)
HiveIntervalYearMonth	subtract(HiveIntervalYearMonth left, HiveIntervalYearMonth right)
Timestamp	subtract(Timestamp left, HiveIntervalDayTime right)
Timestamp	subtract(Timestamp left, HiveIntervalYearMonth right)
HiveIntervalDayTime	subtract(Timestamp left, Timestamp right)

Methods inherited from class java.lang.Object

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

Field Detail

calUtc

protected Calendar calUtc

calLocal

protected Calendar calLocal

nanosResult

protected org.apache.hadoop.hive.ql.util.DateTimeMath.NanosResult nanosResult

Constructor Detail

DateTimeMath

public DateTimeMath()

Method Detail

addMonthsToMillisUtc

public long addMonthsToMillisUtc(long millis,
                        int months)

Perform month arithmetic to millis value using UTC time zone.

Parameters:

millis -

months -

Returns:

addMonthsToMillisLocal

public long addMonthsToMillisLocal(long millis,
                          int months)

Perform month arithmetic to millis value using local time zone.

Parameters:

millis -

months -

Returns:

addMonthsToNanosUtc

public long addMonthsToNanosUtc(long nanos,
                       int months)

addMonthsToNanosLocal

public long addMonthsToNanosLocal(long nanos,
                         int months)

addMonthsToDays

public long addMonthsToDays(long days,
                   int months)

add

public Timestamp add(Timestamp ts,
            HiveIntervalYearMonth interval)

add

public Date add(Date dt,
       HiveIntervalYearMonth interval)

add

public HiveIntervalYearMonth add(HiveIntervalYearMonth left,
                        HiveIntervalYearMonth right)

subtract

public Timestamp subtract(Timestamp left,
                 HiveIntervalYearMonth right)

subtract

public Date subtract(Date left,
            HiveIntervalYearMonth right)

subtract

public HiveIntervalYearMonth subtract(HiveIntervalYearMonth left,
                             HiveIntervalYearMonth right)

add

public Timestamp add(Timestamp ts,
            HiveIntervalDayTime interval)

add

public HiveIntervalDayTime add(HiveIntervalDayTime left,
                      HiveIntervalDayTime right)

subtract

public Timestamp subtract(Timestamp left,
                 HiveIntervalDayTime right)

subtract

public HiveIntervalDayTime subtract(HiveIntervalDayTime left,
                           HiveIntervalDayTime right)

subtract

public HiveIntervalDayTime subtract(Timestamp left,
                           Timestamp right)