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What is RTRIM()?

  • The function RTRIM() is same as the function TRIM(). It removes the unwanted spaces from the right side of a given string (tailing spaces).


  • The syntax of the RTRIM() function is as follows −
grunt> RTRIM(expression)


  • Assume we have some unwanted spaces before and after the names of the employees in the records of the wikitechy_emp_data relation as shown below.
grunt> Dump wikitechy_emp_data;
(001, Aadav ,32,Tokyo)
(003, Charu ,23, London)
(005, Hansa ,22,Bhuwaneshwar) 
(006, Hena ,21,Chennai)
(007,Robert,24, Bhuwaneshwar)
(009, Leena ,22, Chennai)
(010, Mahi ,22, newyork)
(011, Priya ,23, Tokyo)
(012,Rahul,20, newyork)
  • Using the RTRIM() function, we can remove the heading spaces from the names as shown below
grunt> rtrim_data = FOREACH wikitechy_emp_data GENERATE (id,name), RTRIM(name);
  • The above statement returns the copy of the names by removing the tailing spaces from the names of the employees.
  • The result is stored in the relation named rtrim_data.
  • Verify the result of the relation rtrim_data using the Dump operator as shown below.
grunt> Dump rtrim_data;
((1, Aadav ), Aadav) 
((3, Charu ), Charu) 
((5, Hansa ), Hansa) 
((6, Hena ), Hena) 
((9, Leena ), Leena) 
((10, Mahi ), Mahi) 
((11, Priya ), Priya) 

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