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https://issues.apache.org/jira/browse/HIVE-13556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15464461#comment-15464461
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Pengcheng Xiong commented on HIVE-13556:
----------------------------------------

i just took a look at the patch
{code}
KW_PRECISION: 'PRECISION';
{code}
this introduced a new keyword. And precision is a reserved keyword in SQL2011. 
Thus we should add it to 
{code}
//The following SQL2011 reserved keywords are used as identifiers in many q 
tests, they may be added back due to backward compatibility.
{code}

rather than the patch's current
{code}
sql11ReservedKeywordsUsedAsCastFunctionName
{code}

Could u modify the patch accordingly and run ptest again? Others LGTM.

> Support for double precision data type
> --------------------------------------
>
>                 Key: HIVE-13556
>                 URL: https://issues.apache.org/jira/browse/HIVE-13556
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Types
>            Reporter: Ashutosh Chauhan
>            Assignee: Zoltan Haindrich
>         Attachments: HIVE-13554.1.patch
>
>
> Add support for {{DOUBLE PRECISION}} data type as an alias for {{DOUBLE}} 
> datatype



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