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

# · text · 25 lines · 18 code · 7 blank · 0 comment · 0 complexity · 39299c3a0f7041eace1f3f6baf515637 MD5 · raw file 

    

  1. CREATE TABLE T1(key STRING, val STRING) STORED AS TEXTFILE;
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  2. CREATE TABLE T2(key STRING, val STRING) STORED AS TEXTFILE;
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  3. CREATE TABLE T3(key STRING, val STRING) STORED AS TEXTFILE;
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  4. 

  5. LOAD DATA LOCAL INPATH '../data/files/T1.txt' INTO TABLE T1;
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  6. LOAD DATA LOCAL INPATH '../data/files/T2.txt' INTO TABLE T2;
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  7. LOAD DATA LOCAL INPATH '../data/files/T3.txt' INTO TABLE T3;
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  8. 

  9. FROM UNIQUEJOIN PRESERVE T1 a (a.key), PRESERVE T2 b (b.key), PRESERVE T3 c (c.key)
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  10. SELECT a.key, b.key, c.key;
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  11. 

  12. FROM UNIQUEJOIN T1 a (a.key), T2 b (b.key), T3 c (c.key)
    13. 

  13. SELECT a.key, b.key, c.key;
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  14. 

  15. FROM UNIQUEJOIN T1 a (a.key), T2 b (b.key-1), T3 c (c.key)
    16. 

  16. SELECT a.key, b.key, c.key;
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  17. 

  18. FROM UNIQUEJOIN PRESERVE T1 a (a.key, a.val), PRESERVE T2 b (b.key, b.val), PRESERVE T3 c (c.key, c.val)
    19. 

  19. SELECT a.key, a.val, b.key, b.val, c.key, c.val;
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  20. 

  21. FROM UNIQUEJOIN PRESERVE T1 a (a.key), T2 b (b.key), PRESERVE T3 c (c.key)
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  22. SELECT a.key, b.key, c.key;
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  23. 

  24. FROM UNIQUEJOIN PRESERVE T1 a (a.key), T2 b(b.key)
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  25. SELECT a.key, b.key;
    26.