davidov541 commented on a change in pull request #933: HIVE-21218: Adding
support for Confluent Kafka Avro message format
URL: https://github.com/apache/hive/pull/933#discussion_r387866087
##########
File path: kafka-handler/src/java/org/apache/hadoop/hive/kafka/KafkaSerDe.java
##########
@@ -133,12 +134,40 @@
Preconditions.checkArgument(!schemaFromProperty.isEmpty(), "Avro Schema
is empty Can not go further");
Schema schema = AvroSerdeUtils.getSchemaFor(schemaFromProperty);
LOG.debug("Building Avro Reader with schema {}", schemaFromProperty);
- bytesConverter = new AvroBytesConverter(schema);
+ bytesConverter = getByteConverterForAvroDelegate(schema, tbl);
} else {
bytesConverter = new BytesWritableConverter();
}
}
+ enum BytesConverterType {
+ CONFLUENT,
+ SKIP,
+ NONE;
+
+ static BytesConverterType fromString(String value) {
+ try {
+ return BytesConverterType.valueOf(value.trim().toUpperCase());
+ } catch (Exception e){
+ return NONE;
+ }
+ }
+ }
+
+ BytesConverter getByteConverterForAvroDelegate(Schema schema, Properties
tbl) {
+ String avroBytesConverterProperty = tbl.getProperty(AvroSerdeUtils
+
.AvroTableProperties.AVRO_SERDE_TYPE
+ .getPropName(),
BytesConverterType.NONE.toString());
+ BytesConverterType avroByteConverterType =
BytesConverterType.fromString(avroBytesConverterProperty);
+ Integer avroSkipBytes =
Integer.getInteger(tbl.getProperty(AvroSerdeUtils.AvroTableProperties.AVRO_SERDE_SKIP_BYTES
Review comment:
Yeah, we are basically getting the property name for the number of bytes to
read, then getting the string value, then converting that to an integer. I
think it might be easier to read with an intermediate variable. I'll add that.
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