brucearctor commented on code in PR #28865:
URL: https://github.com/apache/beam/pull/28865#discussion_r1349312793
##########
sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaReadSchemaTransformProvider.java:
##########
@@ -112,16 +113,60 @@ protected SchemaTransform
from(KafkaReadSchemaTransformConfiguration configurati
consumerConfigs.put(ConsumerConfig.AUTO_COMMIT_INTERVAL_MS_CONFIG, 100);
consumerConfigs.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG,
autoOffsetReset);
+ String format = configuration.getFormat();
+
+ if (format == null || format.isEmpty()) {
+ format = "raw";
+ }
+
+ if (format.equalsIgnoreCase("raw")) {
+ if (inputSchema != null && !inputSchema.isEmpty()) {
+ throw new IllegalArgumentException(
+ "To read from Kafka in raw format, you can't provide a schema.");
+ }
+ Schema rawSchema = Schema.builder().addField("payload",
Schema.FieldType.BYTES).build();
+ SerializableFunction<byte[], Row> valueMapper =
getRawBytesToRowFunction(rawSchema);
Review Comment:
wanting to wrap my head around why we'd have bytes with row. Row tends to
imply schemas.
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