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https://issues.apache.org/jira/browse/HIVE-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13084491#comment-13084491
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Hudson commented on HIVE-2171:
------------------------------
Integrated in Hive-trunk-h0.21 #892 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/892/])
HIVE-2171. Allow custom serdes to set field comments
(Jakob Homan via jvs)
jvs : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1157224
Files :
*
/hive/trunk/metastore/src/java/org/apache/hadoop/hive/metastore/MetaStoreUtils.java
*
/hive/trunk/serde/src/test/org/apache/hadoop/hive/serde2/objectinspector/TestStandardObjectInspectors.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ColumnarStructObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/UnionStructObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazy/objectinspector/LazySimpleStructObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ReflectionStructObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorFactory.java
*
/hive/trunk/serde/src/test/org/apache/hadoop/hive/serde2/TestSerdeWithFieldComments.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/MetadataListStructObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazybinary/objectinspector/LazyBinaryObjectInspectorFactory.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazy/objectinspector/LazyObjectInspectorFactory.java
* /hive/trunk/ivy/libraries.properties
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/lazybinary/objectinspector/LazyBinaryStructObjectInspector.java
* /hive/trunk/serde/ivy.xml
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/StandardStructObjectInspector.java
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/StructField.java
> Allow custom serdes to set field comments
> -----------------------------------------
>
> Key: HIVE-2171
> URL: https://issues.apache.org/jira/browse/HIVE-2171
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Fix For: 0.8.0
>
> Attachments: HIVE-2171-2.patch, HIVE-2171.patch
>
>
> Currently, while serde implementations can set a field's name, they can't set
> its comment. These are set in the metastore utils to {{(from
> deserializer)}}. For those serdes that can provide meaningful comments for a
> field, they should be propagated to the table description. These
> serde-provided comments could be prepended to "(from deserializer)" if others
> feel that's a meaningful distinction. This change involves updating
> {{StructField}} to support a (possibly null) comment field and then
> propagating this change out to the myriad places {{StructField}} is thrown
> around.
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