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https://issues.apache.org/jira/browse/BEAM-11482?focusedWorklogId=526535&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-526535
]
ASF GitHub Bot logged work on BEAM-11482:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 20/Dec/20 14:53
Start Date: 20/Dec/20 14:53
Worklog Time Spent: 10m
Work Description: ccciudatu commented on a change in pull request #13572:
URL: https://github.com/apache/beam/pull/13572#discussion_r546387329
##########
File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/meta/provider/kafka/BeamKafkaThriftTable.java
##########
@@ -74,55 +92,81 @@ private static Schema thriftSchema(
@Override
protected PTransform<PCollection<KV<byte[], byte[]>>, PCollection<Row>>
getPTransformForInput() {
- final @NonNull SchemaProvider schemaProvider = ThriftSchema.provider();
- return new PTransform<PCollection<KV<byte[], byte[]>>, PCollection<Row>>()
{
- @Override
- @SuppressWarnings("nullness")
- public PCollection<Row> expand(PCollection<KV<byte[], byte[]>> input) {
- return input
- .apply(Values.create())
-
.apply(MapElements.into(typeDescriptor).via(BeamKafkaThriftTable.this::decode))
- .setSchema(
- schema,
- typeDescriptor,
- schemaProvider.toRowFunction(typeDescriptor),
- schemaProvider.fromRowFunction(typeDescriptor))
- .apply(Convert.toRows());
- }
- };
+ return new InputTransformer(typeDescriptor, coder, schema);
}
- private T decode(byte[] bytes) {
- try {
- return thriftCoder.decode(new ByteArrayInputStream(bytes));
- } catch (IOException e) {
- throw new IllegalStateException(e);
+ private static class InputTransformer<T extends TBase<?, ?>>
Review comment:
Got it, makes sense. I tried to solve it locally for Kafka, as I think
making this truly reusable/composable requires a larger refactoring that should
follow up. But those functions do seem to rather belong in the `ThriftSchema`
anyway, so I'll fix this.
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Issue Time Tracking
-------------------
Worklog Id: (was: 526535)
Time Spent: 7h (was: 6h 50m)
> Thrift support for KafkaTableProvider
> -------------------------------------
>
> Key: BEAM-11482
> URL: https://issues.apache.org/jira/browse/BEAM-11482
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql, io-java-kafka
> Reporter: Costi Ciudatu
> Assignee: Costi Ciudatu
> Priority: P2
> Time Spent: 7h
> Remaining Estimate: 0h
>
> Kafka table provider can leverage the Thrift coder and schema provider
> defined in the IO package to handle thrift input/output.
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