/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 

    

  1. -- union case: both subqueries are map jobs on same input, followed by filesink
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  2. 

  3. EXPLAIN
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  4. FROM (
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  5.   FROM src select src.key, src.value WHERE src.key < 100
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  6.   UNION ALL
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  7.   FROM src SELECT src.* WHERE src.key > 100
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  8. ) unioninput
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  9. INSERT OVERWRITE DIRECTORY '../build/ql/test/data/warehouse/union.out' SELECT unioninput.*;
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  10. 

  11. FROM (
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  12.   FROM src select src.key, src.value WHERE src.key < 100
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  13.   UNION ALL
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  14.   FROM src SELECT src.* WHERE src.key > 100
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  15. ) unioninput
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  16. INSERT OVERWRITE DIRECTORY '../build/ql/test/data/warehouse/union.out' SELECT unioninput.*;
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  17. 

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