xbaran commented on a change in pull request #526: HIVE-21218: KafkaSerDe
doesn't support topics created via Confluent
URL: https://github.com/apache/hive/pull/526#discussion_r254985491
##########
File path: kafka-handler/src/java/org/apache/hadoop/hive/kafka/KafkaSerDe.java
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@@ -369,6 +379,20 @@ private SubStructObjectInspector(StructObjectInspector
baseOI, int toIndex) {
}
}
+ static class ConfluentAvroBytesConverter extends AvroBytesConverter {
+ ConfluentAvroBytesConverter(Schema schema) {
+ super(schema);
+ }
+
+ @Override
+ Decoder getDecoder(byte[] value) {
+ /**
+ * Confluent 4 magic bytes that represents Schema ID as Integer. These
bits are added before value bytes.
+ */
+ return DecoderFactory.get().binaryDecoder(value, 5, value.length - 5,
null);
Review comment:
That `value.length - 5` is cuz u provide `start` and `length` not `start`
and `end` offsets.
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