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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2016/02/29 16:37:18 UTC

[jira] [Commented] (FLINK-3486) Use Project to rename all record fields would fail following Project.

    [ https://issues.apache.org/jira/browse/FLINK-3486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15172010#comment-15172010 ] 

ASF GitHub Bot commented on FLINK-3486:
---------------------------------------

GitHub user fhueske opened a pull request:

    https://github.com/apache/flink/pull/1738

    [FLINK-3486] [tableAPI] Fix broken renaming of all fields.

    

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

    $ git pull https://github.com/fhueske/flink tableAllRenameFix

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

    https://github.com/apache/flink/pull/1738.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 #1738
    
----
commit de6dd97a79549b3d2d38c294e21c4027788b2f90
Author: Fabian Hueske <fh...@apache.org>
Date:   2016-02-29T15:34:24Z

    [FLINK-3486] [tableAPI] Fix broken renaming of all fields.

----


> Use Project to rename all record fields would fail following Project.
> ---------------------------------------------------------------------
>
>                 Key: FLINK-3486
>                 URL: https://issues.apache.org/jira/browse/FLINK-3486
>             Project: Flink
>          Issue Type: Bug
>          Components: Table API
>            Reporter: Chengxiang Li
>            Assignee: Fabian Hueske
>
> {noformat} val t = CollectionDataSets.get3TupleDataSet(env).toTable
>       .select('_1 as 'a, '_2 as 'b, '_3 as 'c)
>       .select('a, 'b)
> {noformat}
> would throw exception like:
> {noformat}
> java.lang.IllegalArgumentException: field [a] not found; input fields are: [_1, _2, _3]
> 	at org.apache.calcite.tools.RelBuilder.field(RelBuilder.java:290)
> 	at org.apache.calcite.tools.RelBuilder.field(RelBuilder.java:275)
> 	at org.apache.flink.api.table.plan.RexNodeTranslator$.toRexNode(RexNodeTranslator.scala:80)
> 	at org.apache.flink.api.table.Table$$anonfun$5.apply(table.scala:98)
> 	at org.apache.flink.api.table.Table$$anonfun$5.apply(table.scala:98) {noformat}
> new alias names are lost.



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