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Posted to common-dev@hadoop.apache.org by "Zheng Shao (JIRA)" <ji...@apache.org> on 2008/09/19 00:12:44 UTC

[jira] Commented: (HADOOP-4205) [Hive] metastore and ql to use the refactored SerDe library

    [ https://issues.apache.org/jira/browse/HADOOP-4205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12632414#action_12632414 ] 

Zheng Shao commented on HADOOP-4205:
------------------------------------

I was able to remove 15 classes because the functionality is moved to (be shared with) serde and ObjectInspector.

List of files added:
A src/java/org/apache/hadoop/hive/ql/io/HiveKey.java

List of classes removed (15 classes + 2 tests):
D src/test/org/apache/hadoop/hive/ql/exec/TestCompositeHiveObject.java
D src/test/org/apache/hadoop/hive/ql/exec/TestWritables.java
D src/java/org/apache/hadoop/hive/ql/exec/PrimitiveHiveObject.java
D src/java/org/apache/hadoop/hive/ql/exec/NullHiveObject.java
D src/java/org/apache/hadoop/hive/ql/exec/HiveObject.java
D src/java/org/apache/hadoop/hive/ql/exec/TableHiveObject.java
D src/java/org/apache/hadoop/hive/ql/exec/CompositeHiveObject.java
D src/java/org/apache/hadoop/hive/ql/exec/LabeledCompositeHiveObject.java
D src/java/org/apache/hadoop/hive/ql/io/NaiiveJSONSerializer.java
D src/java/org/apache/hadoop/hive/ql/io/WritableComparableHiveObject.java
D src/java/org/apache/hadoop/hive/ql/io/NoTagHiveObjectComparator.java
D src/java/org/apache/hadoop/hive/ql/io/NaiiveSerializer.java
D src/java/org/apache/hadoop/hive/ql/io/NoTagWritableHiveObject.java
D src/java/org/apache/hadoop/hive/ql/io/HiveObjectComparator.java
D src/java/org/apache/hadoop/hive/ql/io/NoTagWritableComparableHiveObject.java
D src/java/org/apache/hadoop/hive/ql/io/HiveObjectSerializer.java
D src/java/org/apache/hadoop/hive/ql/io/WritableHiveObject.java

However the map/reduce boundary part is not optimized.  I will optimize that together with DynamicSerDe.


> [Hive] metastore and ql to use the refactored SerDe library
> -----------------------------------------------------------
>
>                 Key: HADOOP-4205
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4205
>             Project: Hadoop Core
>          Issue Type: Improvement
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>
> Metastore and ql should use the refactored SerDe library.

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