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https://issues.apache.org/jira/browse/BEAM-9477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brian Hulette resolved BEAM-9477.
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Resolution: Fixed
> RowCoder should be hashable and picklable
> -----------------------------------------
>
> Key: BEAM-9477
> URL: https://issues.apache.org/jira/browse/BEAM-9477
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Reporter: Brian Hulette
> Assignee: Brian Hulette
> Priority: Major
> Fix For: 2.21.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> hashable - because it needs to be placed in PipelineContexts' obj_to_id map
> picklable - sometimes coders get pickled (e.g. when the type they encode is
> used in beam.Create)
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