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https://issues.apache.org/jira/browse/ARROW-6370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16917864#comment-16917864
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Sascha Hofmann commented on ARROW-6370:
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Cool thank you! Using latest so v10.16.3
> [JS] Table.from adds 0 on int columns
> -------------------------------------
>
> Key: ARROW-6370
> URL: https://issues.apache.org/jira/browse/ARROW-6370
> Project: Apache Arrow
> Issue Type: Bug
> Components: JavaScript
> Affects Versions: 0.14.1
> Reporter: Sascha Hofmann
> Priority: Major
>
> I am generating an arrow table in pyarrow and send it via gRPC like this:
> {code:java}
> sink = pa.BufferOutputStream()
> writer = pa.RecordBatchStreamWriter(sink, batch.schema)
> writer.write_batch(batch)
> writer.close()
> yield ds.Response(
> status=200,
> loading=False,
> response=[sink.getvalue().to_pybytes()]
> )
> {code}
> On the javascript end, I parse it like that:
> {code:java}
> Table.from(response.getResponseList()[0])
> {code}
> That works but when I look at the actual table, int columns have a 0 for
> every other row. String columns seem to be parsed just fine.
> The Python byte array created from to_pybytes() has the same length as
> received in javascript. I am also able to recreate the original table for the
> byte array in Python.
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