set hive.map.aggr=false;
set hive.groupby.skewindata=true;

CREATE TABLE dest1(c1 DOUBLE, c2 DOUBLE, c3 DOUBLE, c4 DOUBLE, c5 DOUBLE, c6 DOUBLE, c7 DOUBLE, c8 DOUBLE, c9 DOUBLE) STORED AS TEXTFILE;

EXPLAIN
FROM src
INSERT OVERWRITE TABLE dest1 SELECT 
  sum(substr(src.value,5)), 
  avg(substr(src.value,5)), 
  avg(DISTINCT substr(src.value,5)), 
  max(substr(src.value,5)),
  min(substr(src.value,5)), 
  std(substr(src.value,5)),
  stddev_samp(substr(src.value,5)),
  variance(substr(src.value,5)),
  var_samp(substr(src.value,5));

FROM src
INSERT OVERWRITE TABLE dest1 SELECT 
  sum(substr(src.value,5)), 
  avg(substr(src.value,5)), 
  avg(DISTINCT substr(src.value,5)), 
  max(substr(src.value,5)), 
  min(substr(src.value,5)), 
  std(substr(src.value,5)),
  stddev_samp(substr(src.value,5)),
  variance(substr(src.value,5)),
  var_samp(substr(src.value,5));

SELECT dest1.* FROM dest1;