Package org.apache.druid.sql.calcite.planner.querygen

Class DruidQueryGenerator

java.lang.Object

org.apache.druid.sql.calcite.planner.querygen.DruidQueryGenerator

public class DruidQueryGenerator
extends Object

Converts a DAG of DruidLogicalNode convention to a native DruidQuery for execution.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DruidQueryGenerator.DruidNodeStack	Tracks the upstream nodes during traversal.
protected static class	DruidQueryGenerator.PDQVertexFactory	PartialDruidQuery based DruidQueryGenerator.Vertex factory.

Constructor Summary

Constructors

Constructor	Description
DruidQueryGenerator(PlannerContext plannerContext, DruidLogicalNode relRoot, org.apache.calcite.rex.RexBuilder rexBuilder)

Method Summary

Modifier and Type	Method	Description
DruidQuery	buildQuery()
static FilteredDataSource	makeFilteredDataSource(SourceDescProducer.SourceDesc sd, DimFilter filter)	This method should not live here.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DruidQueryGenerator

public DruidQueryGenerator(PlannerContext plannerContext,
 DruidLogicalNode relRoot,
 org.apache.calcite.rex.RexBuilder rexBuilder)

Method Details

buildQuery

public DruidQuery buildQuery()

makeFilteredDataSource

public static FilteredDataSource makeFilteredDataSource(SourceDescProducer.SourceDesc sd,
 DimFilter filter)

This method should not live here. The fact that Filtration have to be run on the filter is out-of scope here.