Package org.apache.calcite.rel.rules

Class CalcRelSplitter.InputToCommonExprConverter

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.rel.rules.CalcRelSplitter.InputToCommonExprConverter

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

CalcRelSplitter

private static class CalcRelSplitter.InputToCommonExprConverter
extends RexShuttle

Shuttle which converts every reference to an input field in an expression to a reference to a common sub-expression.

Field Summary

Fields

Modifier and Type	Field	Description
private RexNode[]	allExprs
private int[]	exprInverseOrdinals
private int[]	exprLevels
private int[]	inputExprOrdinals
private int	level

Constructor Summary

Constructors

Constructor	Description
InputToCommonExprConverter(int[] exprInverseOrdinals, int[] exprLevels, int level, int[] inputExprOrdinals, RexNode[] allExprs)

Method Summary

Modifier and Type	Method	Description
RexNode	visitInputRef(RexInputRef input)
RexNode	visitLocalRef(RexLocalRef local)

Methods inherited from class org.apache.calcite.rex.RexShuttle

apply, apply, apply, mutate, visitArray, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, visitList, visitList, visitLiteral, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef, visitWindow

Methods inherited from class java.lang.Object

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

Field Detail

exprInverseOrdinals

private final int[] exprInverseOrdinals

exprLevels

private final int[] exprLevels

level

private final int level

inputExprOrdinals

private final int[] inputExprOrdinals

allExprs

private final RexNode[] allExprs

Constructor Detail

InputToCommonExprConverter

InputToCommonExprConverter(int[] exprInverseOrdinals,
                           int[] exprLevels,
                           int level,
                           int[] inputExprOrdinals,
                           RexNode[] allExprs)

Method Detail

visitInputRef

public RexNode visitInputRef(RexInputRef input)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle

visitLocalRef

public RexNode visitLocalRef(RexLocalRef local)

Specified by:

visitLocalRef in interface RexVisitor<RexNode>

Overrides:

visitLocalRef in class RexShuttle