apache / apache/beam

FastPrimitivesCoder should be able to encode types from schema'd PCollections without encoding the schema

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core improvement P3 python
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Description

FastPrimitivesCoder should be able to check if we have a schema registered for a type, and encode/decode instances with the RowCoder for that schema.

Note that FastPrimitivesCoder will currently fail to encode some schema types, fixing BEAM-9574 will address those failures, but will be sub-optimal, since the schema will be encoded with every instance.

Imported from Jira [BEAM-9576](https://issues.apache.org/jira/browse/BEAM-9576). Original Jira may contain additional context.
Reported by: bhulette.

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