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Posted to issues@arrow.apache.org by "Li Jin (JIRA)" <ji...@apache.org> on 2017/09/08 17:18:00 UTC

[jira] [Comment Edited] (ARROW-1497) [Java] JsonFileReader doesn't set value count for some vectors

    [ https://issues.apache.org/jira/browse/ARROW-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158958#comment-16158958 ] 

Li Jin edited comment on ARROW-1497 at 9/8/17 5:17 PM:
-------------------------------------------------------

PR: https://github.com/apache/arrow/pull/1067


was (Author: icexelloss):
https://github.com/apache/arrow/pull/1067

> [Java] JsonFileReader doesn't set value count for some vectors
> --------------------------------------------------------------
>
>                 Key: ARROW-1497
>                 URL: https://issues.apache.org/jira/browse/ARROW-1497
>             Project: Apache Arrow
>          Issue Type: Bug
>            Reporter: Li Jin
>
> Currently, in complex types, JsonFileReader only sets value count for NullableMapType by an instance check, this is error prone and cause issues with reading other complex types:
> https://github.com/apache/arrow/blob/master/java/vector/src/main/java/org/apache/arrow/vector/file/json/JsonFileReader.java#L269
> We should have a better way to do this.



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