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From "jiraposter@reviews.apache.org (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-1734) Implement map_keys() and map_values() UDFs
Date Mon, 01 Aug 2011 10:04:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073480#comment-13073480
] 

jiraposter@reviews.apache.org commented on HIVE-1734:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/1082/#review1247
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ql/src/test/results/clientpositive/udf_map_keys.q.out
<https://reviews.apache.org/r/1082/#comment2850>

    Shouldn't the output be ["a", "b", "c"] here?



ql/src/test/results/clientpositive/udf_map_values.q.out
<https://reviews.apache.org/r/1082/#comment2851>

    Shouldn't the output be [1,2,3] instead of [2,1,3]? 


- Amareshwari


On 2011-07-12 00:40:11, Carl Steinbach wrote:
bq.  
bq.  -----------------------------------------------------------
bq.  This is an automatically generated e-mail. To reply, visit:
bq.  https://reviews.apache.org/r/1082/
bq.  -----------------------------------------------------------
bq.  
bq.  (Updated 2011-07-12 00:40:11)
bq.  
bq.  
bq.  Review request for hive.
bq.  
bq.  
bq.  Summary
bq.  -------
bq.  
bq.  This patch adds map_keys(map) and map_values(map) UDFs.
bq.  
bq.  
bq.  This addresses bug HIVE-1734.
bq.      https://issues.apache.org/jira/browse/HIVE-1734
bq.  
bq.  
bq.  Diffs
bq.  -----
bq.  
bq.    ql/src/test/results/clientpositive/udf_map_values.q.out PRE-CREATION 
bq.    ql/src/test/results/clientpositive/udf_map_keys.q.out PRE-CREATION 
bq.    ql/src/test/queries/clientpositive/udf_map_values.q PRE-CREATION 
bq.    ql/src/test/results/clientnegative/udf_map_keys_arg_num.q.out PRE-CREATION 
bq.    ql/src/test/results/clientnegative/udf_map_keys_arg_type.q.out PRE-CREATION 
bq.    ql/src/test/results/clientnegative/udf_map_values_arg_num.q.out PRE-CREATION 
bq.    ql/src/test/results/clientnegative/udf_map_values_arg_type.q.out PRE-CREATION 
bq.    ql/src/test/results/clientpositive/show_functions.q.out d4f6c98 
bq.    ql/src/test/queries/clientnegative/udf_map_values_arg_num.q PRE-CREATION 
bq.    ql/src/test/queries/clientnegative/udf_map_values_arg_type.q PRE-CREATION 
bq.    ql/src/test/queries/clientpositive/udf_map_keys.q PRE-CREATION 
bq.    ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java 16a207e 
bq.    ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFMapKeys.java PRE-CREATION

bq.    ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFMapValues.java PRE-CREATION

bq.    ql/src/test/queries/clientnegative/udf_map_keys_arg_num.q PRE-CREATION 
bq.    ql/src/test/queries/clientnegative/udf_map_keys_arg_type.q PRE-CREATION 
bq.  
bq.  Diff: https://reviews.apache.org/r/1082/diff
bq.  
bq.  
bq.  Testing
bq.  -------
bq.  
bq.  
bq.  Thanks,
bq.  
bq.  Carl
bq.  
bq.



> Implement map_keys() and map_values() UDFs
> ------------------------------------------
>
>                 Key: HIVE-1734
>                 URL: https://issues.apache.org/jira/browse/HIVE-1734
>             Project: Hive
>          Issue Type: New Feature
>          Components: UDF
>    Affects Versions: 0.6.0
>            Reporter: Carl Steinbach
>            Assignee: Carl Steinbach
>         Attachments: HIVE-1734-mapudf.1.patch.txt, MapKeys.java, MapValues.java
>
>
> Implement the following UDFs:
> <array> map_keys(<map>)
> and
> <array> map_values(<map>)
> map_keys() takes a map as input and returns an array consisting of the key values in
the supplied map.
> Similarly, map_values() takes a map as input and returns an array containing the map
value fields.

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