Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/5995#discussion_r188348636
--- Diff:
flink-formats/flink-avro/src/main/java/org/apache/flink/formats/avro/AvroDeserializationSchema.java
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@@ -0,0 +1,215 @@
+/*
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That would mean initializing it all lazily, in `getDatumReader()` or in a
`checkAvroInitialized()` method.---
