FIELD FUNCTION IN TRANSFORMER STAGE WITH EXAMPLE

FIELD FUNCTION IN TRANSFORMER STAGE WITH EXAMPLE

Some times we get the data as below

Customers
1,tommy,2000
2,sam,2300
3,margaret,2000
4,pinky,1900
5,sheela,2000

Take Job Design as


Seq.File ------- Tx ------ Ds


Read and load the data in Seq.file


Select first line is column name


And in Transformer stage Create three columns to get the data

You can take columns names as c_id,c_name,c_sal with respective data types.


Write the expression in Derivations to the columns as below

Field (dslink3.customers,',',1) for c_id

Field (dslink3.customers,',',2) for c_name

Field (dslink3.customers,',',3) for c_sal



That's it you will get the data in 3 different columns in the output as required.

After compile and Run the Job.