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https://issues.apache.org/jira/browse/HIVE-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13039900#comment-13039900
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[email protected] commented on HIVE-2171:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/790/
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Review request for hive.
Summary
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HIVE-2171: Allow custom serdes to set field comments
This addresses bug HIVE-2171.
https://issues.apache.org/jira/browse/HIVE-2171
Diffs
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ivy/libraries.properties af856bd
metastore/src/java/org/apache/hadoop/hive/metastore/MetaStoreUtils.java
c1fa4e5
serde/ivy.xml d6c836a
serde/src/java/org/apache/hadoop/hive/serde2/lazy/objectinspector/LazyObjectInspectorFactory.java
4850601
serde/src/java/org/apache/hadoop/hive/serde2/lazy/objectinspector/LazySimpleStructObjectInspector.java
e2fa9db
serde/src/java/org/apache/hadoop/hive/serde2/lazybinary/objectinspector/LazyBinaryObjectInspectorFactory.java
2947e49
serde/src/java/org/apache/hadoop/hive/serde2/lazybinary/objectinspector/LazyBinaryStructObjectInspector.java
3d5408f
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ColumnarStructObjectInspector.java
66f4f8d
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/MetadataListStructObjectInspector.java
bd42a0c
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorFactory.java
90561a1
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ReflectionStructObjectInspector.java
4a934c5
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/StandardStructObjectInspector.java
3b26e45
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/StructField.java
62c3017
serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/UnionStructObjectInspector.java
76ff736
serde/src/test/org/apache/hadoop/hive/serde2/TestSerdeWithFieldComments.java
PRE-CREATION
serde/src/test/org/apache/hadoop/hive/serde2/objectinspector/TestStandardObjectInspectors.java
f139ea5
Diff: https://reviews.apache.org/r/790/diff
Testing
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New unit test and refactor existing unit test.
Thanks,
Jakob
> 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: 0.7.1
>
> Attachments: 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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