/tags/release-0.0.0-rc0/hive/external/contrib/src/test/queries/clientpositive/udaf_example_max_n.q

# · text · 14 lines · 10 code · 4 blank · 0 comment · 0 complexity · 16cf33d5ee8c1d47553dc0437a026821 MD5 · raw file 

    

  1. add jar ${system:build.dir}/hive-contrib-${system:hive.version}.jar;
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  3. CREATE TEMPORARY FUNCTION example_max_n AS 'org.apache.hadoop.hive.contrib.udaf.example.UDAFExampleMaxN';

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  5. EXPLAIN

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  6. SELECT example_max_n(substr(value,5),10),

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  7.        example_max_n(IF(substr(value,5) > 250, NULL, substr(value,5)),10)

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  8. FROM src;

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    10. 

  10. SELECT example_max_n(substr(value,5),10),

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  11.        example_max_n(IF(substr(value,5) > 250, NULL, substr(value,5)),10)

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  12. FROM src;

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  14. DROP TEMPORARY FUNCTION example_max_n;
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