FanOut

PhysicalNode

FlatAsFilter

planner

FlatMap

PhysicalNode

FlatMapFusion

DagOptimizer

FlatMapNode

planner

FlatMappedProducer

summingbird

FlatThenOptionFusion

DagOptimizer

fanOut

DependantGraph ExpressionDag

filter

Producer HMap

filterKeys

KeyedProducer

filterValues

KeyedProducer

find

ExpressionDag

first

ComposedFlatMap ComposedOptionFlat ComposedOptionMap

flatMap

Producer

flatMapKeys

KeyedProducer

flatMapValues

KeyedProducer

flatten

IrreducibleContainer

fn

FlatMappedProducer KeyFlatMappedProducer OptionMappedProducer ValueFlatMappedProducer Binary BinaryLit Unary UnaryLit FlatMap

fuzz

CacheSize