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https://issues.apache.org/jira/browse/HIVE-4844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13767104#comment-13767104
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Xuefu Zhang commented on HIVE-4844:
-----------------------------------
Also in ParseUtils.getCharParams(), checking NumberFormatException and child
count is probably not needed. This attributes to the grammar rule.
{code}
+ | KW_VARCHAR LPAREN length=Number RPAREN -> ^(TOK_VARCHAR $length)
{code}
This is a minor thing that probably makes the code cleaner.
> 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-4844.12.patch, HIVE-4844.13.patch, HIVE-4844.14.patch,
> HIVE-4844.15.patch, HIVE-4844.16.patch, HIVE-4844.17.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, HIVE-4844.D12699.1.patch,
> HIVE-4844.D12891.1.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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