Block[] next = currentFlushingPartition.next();
sizeDelta += sizeOfRow(next);
for (int i = 0; i < outputChannels.length; i++) {
int channel = outputChannels[i];
Type type = types.get(channel);
type.appendTo(next[channel], 0, pageBuilder.getBlockBuilder(i));
}
BIGINT.writeLong(pageBuilder.getBlockBuilder(outputChannels.length), currentFlushingPartition.getRowNumber());
}
if (!currentFlushingPartition.hasNext()) {