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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/05/11 22:37:04 UTC
[jira] [Commented] (FLINK-6562) Support implicit table references
for nested fields in SQL
[ https://issues.apache.org/jira/browse/FLINK-6562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16007320#comment-16007320 ]
ASF GitHub Bot commented on FLINK-6562:
---------------------------------------
GitHub user haohui opened a pull request:
https://github.com/apache/flink/pull/3879
[FLINK-6562] Support implicit table references for nested fields in SQL.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/haohui/flink FLINK-6562
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3879.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 #3879
----
commit 5ab697d32afa584a8683107006233889275ca73c
Author: Haohui Mai <wh...@apache.org>
Date: 2017-05-11T22:35:39Z
[FLINK-6562] Support implicit table references for nested fields in SQL.
----
> Support implicit table references for nested fields in SQL
> ----------------------------------------------------------
>
> Key: FLINK-6562
> URL: https://issues.apache.org/jira/browse/FLINK-6562
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: Haohui Mai
> Assignee: Haohui Mai
>
> Currently nested fields can only be accessed through fully qualified identifiers. For example, users need to specify the following query for the table {{f}} that has a nested field {{foo.bar}}
> {noformat}
> SELECT f.foo.bar FROM f
> {noformat}
> Other query engines like Hive / Presto supports implicit table references. For example:
> {noformat}
> SELECT foo.bar FROM f
> {noformat}
> This jira proposes to support the latter syntax in the SQL API.
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