boyuanzz commented on a change in pull request #13924:
URL: https://github.com/apache/beam/pull/13924#discussion_r572463514
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File path:
sdks/java/harness/src/main/java/org/apache/beam/fn/harness/data/PCollectionConsumerRegistry.java
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@@ -125,6 +133,7 @@ public PCollectionConsumerRegistry(
pCollectionIdsToConsumers.put(
pCollectionId, ConsumerAndMetadata.forConsumer(consumer, pTransformId,
state));
+ pCollectionIdsToCoders.put(pCollectionId, coder);
Review comment:
How about having `ConsumerAndMetadata ` to include coder information
instead of having a separated mapping?
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