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https://issues.apache.org/jira/browse/HIVE-4844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13755294#comment-13755294
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Jason Dere commented on HIVE-4844:
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ashutoshc, like Xuefu, has suggested that this patch be split into different
subtasks where appropriate, to make review/tracking easier. I'll take a look at
what I can do here. At first glance, looks like this can be done as the
following set of changes:
1. getMethodInternal() should prefer evaluate() signatures with more "similar"
arguments
2. Change getCommonClass/implicitConvertible to use PrimitiveCategory rather
than TypeInfo
3. Cast operators need to be set with type-specific data prior to
initialization
4. varchar work (will be done in this Jira)
5. Thrift/JDBC changes for varchar
> Add varchar data type
> ---------------------
>
> Key: HIVE-4844
> URL: https://issues.apache.org/jira/browse/HIVE-4844
> Project: Hive
> Issue Type: New Feature
> Components: Types
> Reporter: Jason Dere
> Assignee: Jason Dere
> Attachments: HIVE-4844.10.patch, HIVE-4844.11.patch,
> HIVE-4844.1.patch.hack, HIVE-4844.2.patch, HIVE-4844.3.patch,
> HIVE-4844.4.patch, HIVE-4844.5.patch, HIVE-4844.6.patch, HIVE-4844.7.patch,
> HIVE-4844.8.patch, HIVE-4844.9.patch, screenshot.png
>
>
> Add new varchar data types which have support for more SQL-compliant
> behavior, such as SQL string comparison semantics, max length, etc.
> Char type will be added as another task.
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