org.apache.calcite.sql2rel

Class RelStructuredTypeFlattener.RewriteRexShuttle

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.sql2rel.RelStructuredTypeFlattener.RewriteRexShuttle

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RelStructuredTypeFlattener

private class RelStructuredTypeFlattener.RewriteRexShuttle
extends RexShuttle

Shuttle that rewrites scalar expressions.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	RewriteRexShuttle()

Method Summary

Modifier and Type	Method and Description
private RexNode	flattenComparison(RexBuilder rexBuilder, SqlOperator op, List<RexNode> exprs)
private RelDataType	removeDistinct(RelDataType type)
RexNode	visitCall(RexCall rexCall)
RexNode	visitFieldAccess(RexFieldAccess fieldAccess)
RexNode	visitInputRef(RexInputRef input)
RexNode	visitSubQuery(RexSubQuery subQuery)

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

apply, apply, apply, mutate, visitArray, visitCorrelVariable, visitDynamicParam, visitFieldCollations, visitList, visitList, visitLiteral, visitLocalRef, visitOver, visitPatternFieldRef, visitRangeRef, visitTableInputRef, visitWindow

Methods inherited from class java.lang.Object

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

Constructor Detail

RewriteRexShuttle

private RewriteRexShuttle()

Method Detail

visitInputRef

public RexNode visitInputRef(RexInputRef input)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle

removeDistinct

private RelDataType removeDistinct(RelDataType type)

visitFieldAccess

public RexNode visitFieldAccess(RexFieldAccess fieldAccess)

Specified by:

visitFieldAccess in interface RexVisitor<RexNode>

Overrides:

visitFieldAccess in class RexShuttle

visitCall

public RexNode visitCall(RexCall rexCall)

Specified by:

visitCall in interface RexVisitor<RexNode>

Overrides:

visitCall in class RexShuttle

visitSubQuery

public RexNode visitSubQuery(RexSubQuery subQuery)

Specified by:

visitSubQuery in interface RexVisitor<RexNode>

Overrides:

visitSubQuery in class RexShuttle

flattenComparison

private RexNode flattenComparison(RexBuilder rexBuilder,
                                  SqlOperator op,
                                  List<RexNode> exprs)