reuvenlax commented on a change in pull request #14238:
URL: https://github.com/apache/beam/pull/14238#discussion_r603409162
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/WriteTables.java
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@@ -88,8 +98,35 @@
})
class WriteTables<DestinationT>
extends PTransform<
- PCollection<KV<ShardedKey<DestinationT>, List<String>>>,
- PCollection<KV<TableDestination, String>>> {
+ PCollection<KV<ShardedKey<DestinationT>, WritePartition.Result>>,
+ PCollection<KV<TableDestination, WriteTables.Result>>> {
+ @AutoValue
+ abstract static class Result {
+ abstract String getTableName();
+
+ abstract Boolean isFirstPane();
+ }
+
+ static class ResultCoder extends AtomicCoder<WriteTables.Result> {
Review comment:
they are a bit different - the one in WritePartition contains a list of
filenames, while this one contains a singular filename.
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