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https://issues.apache.org/jira/browse/ARROW-6760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16942582#comment-16942582
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Joris Van den Bossche commented on ARROW-6760:
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Indeed, a better error message would be nice. Renamed the issue to reflect
this.
> [C++] JSON: improve error message when column changed type
> ----------------------------------------------------------
>
> Key: ARROW-6760
> URL: https://issues.apache.org/jira/browse/ARROW-6760
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: harikrishnan
> Priority: Major
> Attachments: dummy.jl
>
>
> When a column accidentally changes type in a JSON file (which is not
> supported), it would be nice to get the column name that gives this problem
> in the error message.
> ---
> I am trying to parse a simple json file. While doing so, am getting the error
> {{JSON parse error: A column changed from string to number}}
> {code}
> from pyarrow import json
> r = json.read_json('dummy.jl')
> {code}
>
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