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https://issues.apache.org/jira/browse/BEAM-7336?focusedWorklogId=393227&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-393227
]
ASF GitHub Bot logged work on BEAM-7336:
----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Feb/20 08:05
Start Date: 26/Feb/20 08:05
Worklog Time Spent: 10m
Work Description: iemejia commented on pull request #10966:
[WIP][BEAM-7336] Add schema inferring for KafkaIO when reading Avro values
URL: https://github.com/apache/beam/pull/10966#discussion_r384277134
##########
File path:
sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaIO.java
##########
@@ -845,11 +853,23 @@ public void setValueDeserializer(String
valueDeserializer) {
return toBuilder().setConsumerConfig(config).build();
}
- /** Returns a {@link PTransform} for PCollection of {@link KV}, dropping
Kafka metatdata. */
+ /**
+ * Returns a {@link PTransform} for {@link PCollection} of {@link KV},
dropping Kafka metadata.
+ */
public PTransform<PBegin, PCollection<KV<K, V>>> withoutMetadata() {
return new TypedWithoutMetadata<>(this);
}
+ /**
+ * Returns a {@link PTransform} for {@link PCollection} of {@link
GenericRecord}, dropping Kafka
+ * keys and metadata. It has to be used only with {@link
+ * ConfluentSchemaRegistryDeserializerProvider}. See {@link KafkaIO} for
more information on
+ * usage and configuration of reader.
+ */
+ public PTransform<PBegin, PCollection<GenericRecord>>
withAvroSchemaValues() {
Review comment:
We do not need an special PTransform for this. Notice that both SqlTransform
and most Schema-based PTransforms require `PCollection<T>` but with the
specific condition that this PCollection should be encoded using a
`SchemaCoder`. So we can just use the existing methods that produce
`PCollection<K>` and `PCollection<V>`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 393227)
Time Spent: 1h 10m (was: 1h)
> KafkaIO should support inferring schemas when reading Avro
> ----------------------------------------------------------
>
> Key: BEAM-7336
> URL: https://issues.apache.org/jira/browse/BEAM-7336
> Project: Beam
> Issue Type: Sub-task
> Components: io-java-kafka
> Reporter: Reuven Lax
> Assignee: Alexey Romanenko
> Priority: Major
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> PubSubIO already supports this.
> It would also be nice to be able to look up Avro schemas in the Kafka schema
> registry.
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