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https://issues.apache.org/jira/browse/ARROW-3329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17067081#comment-17067081
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Wes McKinney commented on ARROW-3329:
-------------------------------------
Thanks. It's our intention that these instructions work consistently if
followed faithfully, so if something doesn't work for you it's important that
we are able to debug it and fix the documentation.
> [Python] Error casting decimal(38, 4) to int64
> ----------------------------------------------
>
> Key: ARROW-3329
> URL: https://issues.apache.org/jira/browse/ARROW-3329
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Environment: Python version : 3.6.5
> Pyarrow version : 0.10.0
> Reporter: Kavita Sheth
> Assignee: Jacek Pliszka
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.17.0
>
> Time Spent: 7h
> Remaining Estimate: 0h
>
> Git issue LInk : https://github.com/apache/arrow/issues/2627
> I want to cast pyarrow table column from decimal(38,4) to int64.
> col.cast(pa.int64())
> Error:
> File "pyarrow/table.pxi", line 443, in pyarrow.lib.Column.cast
> File "pyarrow/error.pxi", line 89, in pyarrow.lib.check_status
> pyarrow.lib.ArrowNotImplementedError: No cast implemented from decimal(38,
> 4) to int64
> Python version : 3.6.5
> Pyarrow version : 0.10.0
> is it not implemented yet or I am not using it correctly? If not implemented
> yet, then any work around to cast columns?
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