[jira] [Commented] (ARROW-1710) [Java] Remove non-nullable vectors in new vector class hierarchy

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-1710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16263322#comment-16263322 ] 

ASF GitHub Bot commented on ARROW-1710:
---------------------------------------

icexelloss commented on issue #1341: [WIP] ARROW-1710: [Java] Remove Non-Nullable Vectors
URL: https://github.com/apache/arrow/pull/1341#issuecomment-346469505
 
 
   > I was thinking this is what we were going to do, maybe as a followup though, so +1 for me. One thing I'm not sure of is ullability useful for this vector? For example, Spark StructType doesn't have a nullable param, it's up to the child type definitions. But maybe it's different in the Arrow sense, I'll have to think about that..
   I think in Spark, nullable ability is part of `StructField` not `DataType`, so a nullable struct column in Spark would be:
   ```
   StructField("struct", StructType(Seq(StructField("a", IntergerType) ...)), nullable=true)
   ```
   

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> [Java] Remove non-nullable vectors in new vector class hierarchy 
> -----------------------------------------------------------------
>
>                 Key: ARROW-1710
>                 URL: https://issues.apache.org/jira/browse/ARROW-1710
>             Project: Apache Arrow
>          Issue Type: Sub-task
>          Components: Java - Vectors
>            Reporter: Li Jin
>            Assignee: Bryan Cutler
>              Labels: pull-request-available
>             Fix For: 0.8.0
>
>
> So far the consensus seems to be remove all non-nullable vectors. 



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