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Posted to commits@beam.apache.org by "Vaclav Plajt (JIRA)" <ji...@apache.org> on 2018/08/06 08:19:00 UTC
[jira] [Assigned] (BEAM-5077) Use type informations about output,
key and values from operators to set coders
[ https://issues.apache.org/jira/browse/BEAM-5077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vaclav Plajt reassigned BEAM-5077:
----------------------------------
Assignee: Vaclav Plajt (was: David Moravek)
> Use type informations about output, key and values from operators to set coders
> -------------------------------------------------------------------------------
>
> Key: BEAM-5077
> URL: https://issues.apache.org/jira/browse/BEAM-5077
> Project: Beam
> Issue Type: Sub-task
> Components: dsl-euphoria
> Reporter: Vaclav Plajt
> Assignee: Vaclav Plajt
> Priority: Major
>
> Operators can (optionally) carry `TypeDescriptor` of its output, key and value types. These can be used to determine right coders for `PCollection`s during translation to Beam API.
> Another enhancements of coders resolution are desired:
> * Allow API user to disable use of `KryoCoder` as fallback coder.
> * Every automatically created `KryoCoder` needs to respects classes registrations provided by user.
> * Automate creation of 'PairCoder' whenever needed.
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