danielxjd commented on a change in pull request #12223:
URL: https://github.com/apache/beam/pull/12223#discussion_r458293851
##########
File path:
sdks/java/io/parquet/src/main/java/org/apache/beam/sdk/io/parquet/ParquetIO.java
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@@ -235,12 +281,147 @@ public ReadFiles withAvroDataModel(GenericData model) {
return toBuilder().setAvroDataModel(model).build();
}
+ public ReadFiles withSplit() {
+ return toBuilder().setSplit(true).build();
+ }
+
@Override
public PCollection<GenericRecord> expand(PCollection<FileIO.ReadableFile>
input) {
checkNotNull(getSchema(), "Schema can not be null");
- return input
- .apply(ParDo.of(new ReadFn(getAvroDataModel())))
- .setCoder(AvroCoder.of(getSchema()));
+ if (!getSplit()) {
+ return input
+ .apply(ParDo.of(new SplitReadFn(getAvroDataModel())))
+ .setCoder(AvroCoder.of(getSchema()));
+ } else {
+ return input
+ .apply(ParDo.of(new ReadFn(getAvroDataModel())))
+ .setCoder(AvroCoder.of(getSchema()));
+ }
+ }
+
+ @DoFn.BoundedPerElement
+ static class SplitReadFn extends DoFn<FileIO.ReadableFile, GenericRecord> {
Review comment:
Method added.
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