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[FEAT] Decouple pipeline building and running from new executor (#2522)
Co-authored-by: Colin Ho <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,6 @@ | ||
| mod channel; | ||
| mod intermediate_ops; | ||
| mod pipeline; | ||
| mod run; | ||
| mod sinks; | ||
| mod sources; | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| use std::{collections::HashMap, sync::Arc}; | ||
|
|
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| use daft_dsl::Expr; | ||
| use daft_micropartition::MicroPartition; | ||
| use daft_physical_plan::{ | ||
| Concat, Filter, InMemoryScan, Limit, LocalPhysicalPlan, PhysicalScan, Project, | ||
| UnGroupedAggregate, | ||
| }; | ||
| use daft_plan::populate_aggregation_stages; | ||
|
|
||
| use crate::{ | ||
| channel::MultiSender, | ||
| intermediate_ops::{ | ||
| aggregate::AggregateOperator, | ||
| filter::FilterOperator, | ||
| intermediate_op::{run_intermediate_op, IntermediateOperator}, | ||
| project::ProjectOperator, | ||
| }, | ||
| sinks::{ | ||
| aggregate::AggregateSink, | ||
| concat::ConcatSink, | ||
| limit::LimitSink, | ||
| sink::{run_double_input_sink, run_single_input_sink, DoubleInputSink, SingleInputSink}, | ||
| }, | ||
| sources::{ | ||
| in_memory::InMemorySource, | ||
| scan_task::ScanTaskSource, | ||
| source::{run_source, Source}, | ||
| }, | ||
| }; | ||
|
|
||
| pub enum PipelineNode { | ||
| Source { | ||
| source: Arc<dyn Source>, | ||
| }, | ||
| IntermediateOp { | ||
| intermediate_op: Box<dyn IntermediateOperator>, | ||
| child: Box<PipelineNode>, | ||
| }, | ||
| SingleInputSink { | ||
| sink: Box<dyn SingleInputSink>, | ||
| child: Box<PipelineNode>, | ||
| }, | ||
| DoubleInputSink { | ||
| sink: Box<dyn DoubleInputSink>, | ||
| left_child: Box<PipelineNode>, | ||
| right_child: Box<PipelineNode>, | ||
| }, | ||
| } | ||
|
|
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| impl PipelineNode { | ||
| pub fn start(&self, sender: MultiSender) { | ||
| match self { | ||
| PipelineNode::Source { source } => { | ||
| run_source(source.clone(), sender); | ||
| } | ||
| PipelineNode::IntermediateOp { | ||
| intermediate_op, | ||
| child, | ||
| } => { | ||
| let sender = run_intermediate_op(intermediate_op.clone(), sender); | ||
| child.start(sender); | ||
| } | ||
| PipelineNode::SingleInputSink { sink, child } => { | ||
| let sender = run_single_input_sink(sink.clone(), sender); | ||
| child.start(sender); | ||
| } | ||
| PipelineNode::DoubleInputSink { | ||
| sink, | ||
| left_child, | ||
| right_child, | ||
| } => { | ||
| let (left_sender, right_sender) = run_double_input_sink(sink.clone(), sender); | ||
| left_child.start(left_sender); | ||
| right_child.start(right_sender); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn physical_plan_to_pipeline( | ||
| physical_plan: &LocalPhysicalPlan, | ||
| psets: &HashMap<String, Vec<Arc<MicroPartition>>>, | ||
| ) -> PipelineNode { | ||
| match physical_plan { | ||
| LocalPhysicalPlan::PhysicalScan(PhysicalScan { scan_tasks, .. }) => { | ||
| let scan_task_source = ScanTaskSource::new(scan_tasks.clone()); | ||
| PipelineNode::Source { | ||
| source: Arc::new(scan_task_source), | ||
| } | ||
| } | ||
| LocalPhysicalPlan::InMemoryScan(InMemoryScan { info, .. }) => { | ||
| let partitions = psets.get(&info.cache_key).expect("Cache key not found"); | ||
| let in_memory_source = InMemorySource::new(partitions.clone()); | ||
| PipelineNode::Source { | ||
| source: Arc::new(in_memory_source), | ||
| } | ||
| } | ||
| LocalPhysicalPlan::Project(Project { | ||
| input, projection, .. | ||
| }) => { | ||
| let proj_op = ProjectOperator::new(projection.clone()); | ||
| let child_node = physical_plan_to_pipeline(input, psets); | ||
| PipelineNode::IntermediateOp { | ||
| intermediate_op: Box::new(proj_op), | ||
| child: Box::new(child_node), | ||
| } | ||
| } | ||
| LocalPhysicalPlan::Filter(Filter { | ||
| input, predicate, .. | ||
| }) => { | ||
| let filter_op = FilterOperator::new(predicate.clone()); | ||
| let child_node = physical_plan_to_pipeline(input, psets); | ||
| PipelineNode::IntermediateOp { | ||
| intermediate_op: Box::new(filter_op), | ||
| child: Box::new(child_node), | ||
| } | ||
| } | ||
| LocalPhysicalPlan::Limit(Limit { | ||
| input, num_rows, .. | ||
| }) => { | ||
| let sink = LimitSink::new(*num_rows as usize); | ||
| let child_node = physical_plan_to_pipeline(input, psets); | ||
| PipelineNode::SingleInputSink { | ||
| sink: Box::new(sink), | ||
| child: Box::new(child_node), | ||
| } | ||
| } | ||
| LocalPhysicalPlan::Concat(Concat { input, other, .. }) => { | ||
| let sink = ConcatSink::new(); | ||
| let left_child = physical_plan_to_pipeline(input, psets); | ||
| let right_child = physical_plan_to_pipeline(other, psets); | ||
| PipelineNode::DoubleInputSink { | ||
| sink: Box::new(sink), | ||
| left_child: Box::new(left_child), | ||
| right_child: Box::new(right_child), | ||
| } | ||
| } | ||
| LocalPhysicalPlan::UnGroupedAggregate(UnGroupedAggregate { | ||
| input, | ||
| aggregations, | ||
| schema, | ||
| .. | ||
| }) => { | ||
| let (first_stage_aggs, second_stage_aggs, final_exprs) = | ||
| populate_aggregation_stages(aggregations, schema, &[]); | ||
| let first_stage_agg_op = AggregateOperator::new( | ||
| first_stage_aggs | ||
| .values() | ||
| .cloned() | ||
| .map(|e| Arc::new(Expr::Agg(e.clone()))) | ||
| .collect(), | ||
| vec![], | ||
| ); | ||
| let second_stage_agg_sink = AggregateSink::new( | ||
| second_stage_aggs | ||
| .values() | ||
| .cloned() | ||
| .map(|e| Arc::new(Expr::Agg(e.clone()))) | ||
| .collect(), | ||
| vec![], | ||
| ); | ||
| let final_stage_project = ProjectOperator::new(final_exprs); | ||
|
|
||
| let child_node = physical_plan_to_pipeline(input, psets); | ||
| let intermediate_agg_op_node = PipelineNode::IntermediateOp { | ||
| intermediate_op: Box::new(first_stage_agg_op), | ||
| child: Box::new(child_node), | ||
| }; | ||
|
|
||
| let sink_node = PipelineNode::SingleInputSink { | ||
| sink: Box::new(second_stage_agg_sink), | ||
| child: Box::new(intermediate_agg_op_node), | ||
| }; | ||
|
|
||
| PipelineNode::IntermediateOp { | ||
| intermediate_op: Box::new(final_stage_project), | ||
| child: Box::new(sink_node), | ||
| } | ||
| } | ||
| _ => { | ||
| unimplemented!("Physical plan not supported: {}", physical_plan.name()); | ||
| } | ||
| } | ||
| } |
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