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https://issues.apache.org/jira/browse/BEAM-9939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17103033#comment-17103033
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Robert Bradshaw commented on BEAM-9939:
---------------------------------------
The hard-coded tuple type at
https://github.com/apache/beam/blob/release-2.20.0/sdks/python/apache_beam/transforms/combiners.py#L709
could be replaced.
> Make TupleCombineFn play well with NamedTuples
> ----------------------------------------------
>
> Key: BEAM-9939
> URL: https://issues.apache.org/jira/browse/BEAM-9939
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Reporter: Robert Bradshaw
> Priority: Major
>
> Given an input of NamedTuples, it should produce an output of a
> parameterizable type.
> (We could consider supporting data classes as well.)
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