CREATE TABLE dest1(key INT, value STRING) STORED AS TEXTFILE; ADD FILE ../../data/scripts/input20_script.py; EXPLAIN FROM ( FROM src MAP src.key, src.key USING 'cat' DISTRIBUTE BY key SORT BY key, value ) tmap INSERT OVERWRITE TABLE dest1 REDUCE tmap.key, tmap.value USING 'python input20_script.py' AS (key STRING, value STRING); FROM ( FROM src MAP src.key, src.key USING 'cat' DISTRIBUTE BY key SORT BY key, value ) tmap INSERT OVERWRITE TABLE dest1 REDUCE tmap.key, tmap.value USING 'python input20_script.py' AS (key STRING, value STRING); SELECT * FROM dest1 SORT BY key, value;