[jira] [Comment Edited] (SPARK-12746) ArrayType(_, true) should also accept ArrayType(_, false)

["Earthson Lu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-12746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15091487#comment-15091487 ] 

Earthson Lu edited comment on SPARK-12746 at 1/11/16 6:11 AM:
--------------------------------------------------------------

I could work on this:)

I have some idea:

1. we could implement a more powerful type check api
2. check manually for all the cases

I will choose the latter


was (Author: earthsonlu):
I could work on this:)

I have some idea:

1. we could implement a more powerful type check api
2. check manually for all the case

I will choose the latter

> ArrayType(_, true) should also accept ArrayType(_, false)
> ---------------------------------------------------------
>
>                 Key: SPARK-12746
>                 URL: https://issues.apache.org/jira/browse/SPARK-12746
>             Project: Spark
>          Issue Type: Bug
>          Components: ML, SQL
>    Affects Versions: 1.6.0
>            Reporter: Earthson Lu
>
> I see CountVectorizer has schema check for ArrayType which has ArrayType(StringType, true). 
> ArrayType(String, false) is just a special case of ArrayType(String, false), but it will not pass this type check.



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