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Posted to dev@arrow.apache.org by "Li Jin (JIRA)" <ji...@apache.org> on 2017/09/08 16:15:00 UTC

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

Li Jin created ARROW-1497:
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             Summary: [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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