@Override
public void openRowGroup(StreamSources dataStreamSources) throws IOException {
presentStream =
dataStreamSources
.getStreamSource(streamDescriptor, PRESENT, BooleanStream.class)
.openStream();
dataStream =
dataStreamSources.getStreamSource(streamDescriptor, DATA, BooleanStream.class).openStream();
}
@Override
public void startRowGroup(StreamSources dataStreamSources) throws IOException {
presentStreamSource =
dataStreamSources.getStreamSource(streamDescriptor, PRESENT, BooleanStream.class);
readOffset = 0;
nextBatchSize = 0;
presentStream = null;
rowGroupOpen = false;
for (StreamReader structField : structFields) {
structField.startRowGroup(dataStreamSources);
}
}