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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2961) Add support for basic type Date in Table API
Date Tue, 03 Nov 2015 14:33:27 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14987359#comment-14987359
] 

ASF GitHub Bot commented on FLINK-2961:
---------------------------------------

GitHub user twalthr opened a pull request:

    https://github.com/apache/flink/pull/1322

    [FLINK-2961] [table] Add support for basic type Date in Table API

    Currently, the basic type Date is not implemented in the Table API. In order to have a
mapping of the most important ANSI SQL types for FLINK-2099. It makes sense to add support
for Date to represent date, time and timestamps of milliseconds precision. This PR implements
FLINK-2961.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/twalthr/flink TableApiDate

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/1322.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1322
    
----
commit 78d74b2fc03344f9f6798895e32f743d47da6c1d
Author: twalthr <twalthr@apache.org>
Date:   2015-11-03T14:18:19Z

    [FLINK-2961] [table] Add support for basic type Date in Table API

----


> Add support for basic type Date in Table API
> --------------------------------------------
>
>                 Key: FLINK-2961
>                 URL: https://issues.apache.org/jira/browse/FLINK-2961
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Minor
>
> Currently, the basic type {{Date}} is not implemented in the Table API. In order to have
a mapping of the most important ANSI SQL types for FLINK-2099. It makes sense to add support
for {{Date}} to represent date, time and timestamps of milliseconds precision.
> Only the types `LONG` and `STRING` can be casted to `DATE` and vice versa. A `LONG` casted
to `DATE` must be a milliseconds timestamp. A `STRING` casted to `DATE` must have the format
"`yyyy-MM-dd HH:mm:ss.SSS`", "`yyyy-MM-dd`", "`HH:mm:ss`", or a milliseconds timestamp. All
timestamps refer to the UTC timezone beginning from January 1, 1970, 00:00:00 in milliseconds.



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