public PartitionedOutputOperator(
OperatorContext operatorContext,
List<Type> sourceTypes,
Function<Page, Page> pagePreprocessor,
PartitionFunction partitionFunction,
List<Integer> partitionChannels,
List<Optional<NullableValue>> partitionConstants,
OptionalInt nullChannel,
OutputBuffer outputBuffer,
DataSize maxMemory) {
this.operatorContext = requireNonNull(operatorContext, "operatorContext is null");
this.pagePreprocessor = requireNonNull(pagePreprocessor, "pagePreprocessor is null");
this.partitionFunction =
new PagePartitioner(
partitionFunction,
partitionChannels,
partitionConstants,
nullChannel,
outputBuffer,
sourceTypes,
maxMemory);
operatorContext.setInfoSupplier(this::getInfo);
// TODO: We should try to make this more accurate
// Recalculating the retained size of all the PageBuilders is somewhat expensive,
// so we only do it once here rather than in addInput(), and assume that the size will be
// constant.
operatorContext
.getSystemMemoryContext()
.newLocalMemoryContext()
.setBytes(this.partitionFunction.getRetainedSizeInBytes());
}
public ExchangeOperator(
OperatorContext operatorContext,
List<Type> types,
PlanNodeId sourceId,
ExchangeClient exchangeClient) {
this.operatorContext = checkNotNull(operatorContext, "operatorContext is null");
this.sourceId = checkNotNull(sourceId, "sourceId is null");
this.exchangeClient = checkNotNull(exchangeClient, "exchangeClient is null");
this.types = checkNotNull(types, "types is null");
operatorContext.setInfoSupplier(exchangeClient::getStatus);
}
