org.apache.hadoop.hive.ql.udf

Class UDFFromUnixTime

java.lang.Object

org.apache.hadoop.hive.ql.exec.UDF

org.apache.hadoop.hive.ql.udf.UDFFromUnixTime

public class UDFFromUnixTime
extends UDF

UDFFromUnixTime.

Constructor Summary

Constructors

Constructor and Description
UDFFromUnixTime()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.IntWritable unixtime)
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.IntWritable unixtime, org.apache.hadoop.io.Text format) Convert UnixTime to a string format.
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.LongWritable unixtime) Convert UnixTime to a string format.
org.apache.hadoop.io.Text	evaluate(org.apache.hadoop.io.LongWritable unixtime, org.apache.hadoop.io.Text format) Convert UnixTime to a string format.

Methods inherited from class org.apache.hadoop.hive.ql.exec.UDF

getRequiredFiles, getRequiredJars, getResolver, setResolver

Methods inherited from class java.lang.Object

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

Constructor Detail

UDFFromUnixTime

public UDFFromUnixTime()

Method Detail

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.IntWritable unixtime)

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.LongWritable unixtime,
                                          org.apache.hadoop.io.Text format)

Convert UnixTime to a string format.

Parameters:

unixtime - The number of seconds from 1970-01-01 00:00:00

format - See http://java.sun.com/j2se/1.4.2/docs/api/java/text/SimpleDateFormat .html

Returns:

a String in the format specified.

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.LongWritable unixtime)

Convert UnixTime to a string format.

Parameters:

unixtime - The number of seconds from 1970-01-01 00:00:00

Returns:

a String in default format specified.

evaluate

public org.apache.hadoop.io.Text evaluate(org.apache.hadoop.io.IntWritable unixtime,
                                          org.apache.hadoop.io.Text format)

Convert UnixTime to a string format.

Parameters:

unixtime - The number of seconds from 1970-01-01 00:00:00

format - See http://java.sun.com/j2se/1.4.2/docs/api/java/text/SimpleDateFormat .html

Returns:

a String in the format specified.