Package org.apache.druid.sql.calcite.rel

Class InputAccessor

java.lang.Object

org.apache.druid.sql.calcite.rel.InputAccessor

public class InputAccessor
extends Object

Enables simpler access to input expressions. In case of aggregates it provides the constants transparently for aggregates.

Method Summary

Modifier and Type	Method	Description
static InputAccessor	buildFor(org.apache.calcite.rel.RelNode relNode, org.apache.calcite.rel.core.Project flattenedProject, RowSignature rowSignature)
org.apache.calcite.rex.RexNode	getField(int argIndex)
List<org.apache.calcite.rex.RexNode>	getFields(List<Integer> argList)
RowSignature	getInputRowSignature()
org.apache.calcite.rel.core.Project	getProject()
org.apache.calcite.rex.RexBuilder	getRexBuilder()

Methods inherited from class java.lang.Object

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

Method Details

buildFor

public static InputAccessor buildFor(org.apache.calcite.rel.RelNode relNode,
 @Nullable
 org.apache.calcite.rel.core.Project flattenedProject,
 RowSignature rowSignature)

getField

public org.apache.calcite.rex.RexNode getField(int argIndex)

getFields

public List<org.apache.calcite.rex.RexNode> getFields(List<Integer> argList)

getProject

@Nullable
public org.apache.calcite.rel.core.Project getProject()

getRexBuilder

public org.apache.calcite.rex.RexBuilder getRexBuilder()

getInputRowSignature

public RowSignature getInputRowSignature()