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https://issues.apache.org/jira/browse/SPARK-12746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15122871#comment-15122871
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Earthson Lu commented on SPARK-12746:
-------------------------------------
Hi Joseph, what is the status of nullability now?
It seems someone has already add multi DataType check, I've merged upstream to
use their implementation.
I was just wondering you could accept this PR?
> 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, true),
> but it will not pass this type check.
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