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https://issues.apache.org/jira/browse/ARROW-4176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16735914#comment-16735914
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Wes McKinney commented on ARROW-4176:
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Agreed. If would also be good to have verbose comparison for field or schema
custom metadata
> [C++/Python] Human readable arrow schema comparison
> ---------------------------------------------------
>
> Key: ARROW-4176
> URL: https://issues.apache.org/jira/browse/ARROW-4176
> Project: Apache Arrow
> Issue Type: Improvement
> Reporter: Florian Jetter
> Priority: Minor
>
> When working with arrow schemas it would be helpful to have a human readable
> representation of the diff between two schemas.
> This could be either exposed as a function returning a string/diff object or
> via a function raising an Exception with this information.
> For instance:
> {code}
> schema_diff = get_schema_diff(schema1, schema2)
> expected_diff = """
> - col_changed: int8
> + col_changed: double
> + col_additional: int8
> """
> assert schema_diff == expected_diff
> {code}
>
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