CREATE TABLE dest_j2(key INT, value STRING) STORED AS TEXTFILE;

EXPLAIN
FROM src src1 JOIN src src2 ON (src1.key = src2.key) JOIN src src3 ON (src1.key + src2.key = src3.key)
INSERT OVERWRITE TABLE dest_j2 SELECT src1.key, src3.value;

FROM src src1 JOIN src src2 ON (src1.key = src2.key) JOIN src src3 ON (src1.key + src2.key = src3.key)
INSERT OVERWRITE TABLE dest_j2 SELECT src1.key, src3.value;

SELECT dest_j2.* FROM dest_j2;