union.q | searchcode

/tags/release-0.0.0-rc0/hive/external/ql/src/test/queries/clientpositive/union.q

#
text | 18 lines | 15 code | 3 blank | 0 comment | 0 complexity | fa78e97a655cc6db78cd15c28197126b MD5 | raw file
Possible License(s): Apache-2.0, BSD-3-Clause, JSON, CPL-1.0


-- union case: both subqueries are map jobs on same input, followed by filesink

EXPLAIN
FROM (
  FROM src select src.key, src.value WHERE src.key < 100
  UNION ALL
  FROM src SELECT src.* WHERE src.key > 100
) unioninput
INSERT OVERWRITE DIRECTORY '../build/ql/test/data/warehouse/union.out' SELECT unioninput.*;

FROM (
  FROM src select src.key, src.value WHERE src.key < 100
  UNION ALL
  FROM src SELECT src.* WHERE src.key > 100
) unioninput
INSERT OVERWRITE DIRECTORY '../build/ql/test/data/warehouse/union.out' SELECT unioninput.*;

dfs -cat ../build/ql/test/data/warehouse/union.out/*;