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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1378) Return value for map, array, and struct needs to return a string
Date Wed, 22 Sep 2010 19:11:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913725#action_12913725
] 

HBase Review Board commented on HIVE-1378:
------------------------------------------

Message from: "Ning Zhang" <n.ning.z@gmail.com>

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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/828/#review1296
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trunk/jdbc/src/java/org/apache/hadoop/hive/jdbc/HiveQueryResultSet.java
<http://review.cloudera.org/r/828/#comment4365>

    constructing an ArrayList for every row is very expensive. Do you need a separate copy
every row or can share a "cache" among rows?



trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazy/LazySimpleSerDe.java
<http://review.cloudera.org/r/828/#comment4364>

    Removing this changes the behavior: previously it throws an exception and schema mismatch,
not it tolerate it. It would be good to remain backward compatibility.


- Ning





> Return value for map, array, and struct needs to return a string 
> -----------------------------------------------------------------
>
>                 Key: HIVE-1378
>                 URL: https://issues.apache.org/jira/browse/HIVE-1378
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Drivers
>            Reporter: Jerome Boulon
>            Assignee: Steven Wong
>             Fix For: 0.7.0
>
>         Attachments: HIVE-1378.1.patch, HIVE-1378.2.patch, HIVE-1378.3.patch, HIVE-1378.4.patch,
HIVE-1378.patch
>
>
> In order to be able to select/display any data from JDBC Hive driver, return value for
map, array, and struct needs to return a string

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