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Alex Rivera
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A = load 'a.txt' as (id, a1); B = load 'b.txt as (id, b1); C = join A by id, B by id; D = foreach C generate id,a1,b1; dump D; 4th line fails on: Invalid field projection. Projected field [id] does not exist in schema I tried to change to A.id but then the last line fails on: ERROR 0: Scalar has more than one row in the output.
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