Sum in Pig

This is a simple PigScript i wrote to understand the concepts of pig.
Well here it goes

Today we will see how to do a simple sum operation in Pig.

Consider this as my input data

	1
	2
	3
	4
	1
	1
	1

view raw input hosted with ❤ by GitHub

.

The first example - sum
The second example - group and sum

	-- Plain Sum
	B = group A All;
	C = foreach B generate SUM($1);
	dump C;
	-- Group And Sum
	A = load 'input' as (number:int);
	B = group A by $0;
	C = foreach B generate SUM($1);
	dump C;

view raw Sum hosted with ❤ by GitHub