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What is GetYear() method?

  • The getYear() method returns the year in the specified date according to local time.
  • Because getYear() does not return full years ("year 2000 problem"), it is no longer used and has been replaced by the getFullYear() method.



 get year in apache pig

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GetYear() function in Apache Pig

  • This function accepts a date-time object as parameter and returns the current year from the given date-time object.


grunt> GetYear(datetime)


  • Ensure that we have a file named wikitechy_date.txt in the HDFS directory /pig_data/ as shown below.
  • This file contains the date-of-birth details of a particular person, it has person id, date and time.


001,1989/09/26 09:00:00
002,1980/06/20 10:22:00
003,1990/12/19 03:11:44

We have loaded this file into Pig with a relation named date_data as given below.

grunt> date_data = LOAD 'hdfs://localhost:9000/pig_data/wikitechy_date.txt' USING PigStorage(',')
   as (id:int,date:chararray);
  • Following is an example of the GetYear() function.
  • It will retrive the current year from the given date-time object.
  • So, First we can generate the date-time objects of all employees using todate() function as given below.
grunt> todate_data = foreach date_data generate ToDate(date,'yyyy/MM/dd HH:mm:ss')
   as (date_time:DateTime );
grunt> Dump todate_data;
  • Now we get the year from the date-of-birth of each employee using the GetYear() function and store it in the relation named getyear_data.
grunt> getyear_data = foreach todate_data generate (date_time), GetYear(date_time);


  • Now verify the contents of the getyear_data relation using Dump operator as given below.
grunt> Dump getyear_data;


The above statement stores the result in the relation named getyear_data.


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