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https://issues.apache.org/jira/browse/HIVE-1378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913725#action_12913725
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HBase Review Board commented on HIVE-1378:
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Message from: "Ning Zhang" <[email protected]>
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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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