[jira] [Commented] (FLINK-9438) Add documentation for (Registry)AvroDeserializationSchema

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-9438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16561730#comment-16561730 ] 

ASF GitHub Bot commented on FLINK-9438:
---------------------------------------

tzulitai commented on a change in pull request #6078: [FLINK-9438] Add documentation for AvroDeserializationSchema
URL: https://github.com/apache/flink/pull/6078#discussion_r206077589
 
 

 ##########
 File path: docs/dev/connectors/kafka.md
 ##########
 @@ -166,6 +166,39 @@ For convenience, Flink provides the following schemas:
     The KeyValue objectNode contains a "key" and "value" field which contain all fields, as well as
     an optional "metadata" field that exposes the offset/partition/topic for this message.
     
+3. `AvroDeserializationSchema` which reads data serialized with Avro format using statically provided schema. It can
+    infer the schema from avro generated classes (`AvroDeserializationSchema.forSpecific(...)`) or it can work with `GenericRecords`
+    with manually provided schema (with `AvroDeserializationSchema.forGeneric(...)`). This deserialization schema expects that
+    the serialized records DO NOT contain embedded schema.
+
+    - There is also version of this schema available that can lookup writers schema (schema which was used to write the record) in
+      [Confluent Schema Registry](https://docs.confluent.io/current/schema-registry/docs/index.html). Using these deserialization schema
+      record will be read with the schema that was retrieved from Schema Registry and transformed to statically provided( either through 
+      `ConfluentRegistryAvroDeserializationSchema.forGeneric(...)` or `ConfluentRegistryAvroDeserializationSchema.forSpecific(...)`).
+
+    <br>To use this deserialization schema one has to add additional dependency:
 
 Review comment:
   ... one has to add the following additional dependencies ...

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> Add documentation for (Registry)AvroDeserializationSchema
> ---------------------------------------------------------
>
>                 Key: FLINK-9438
>                 URL: https://issues.apache.org/jira/browse/FLINK-9438
>             Project: Flink
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 1.6.0
>            Reporter: Dawid Wysakowicz
>            Assignee: Dawid Wysakowicz
>            Priority: Critical
>              Labels: pull-request-available
>




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