org.apache.calcite.rex

Interface RexVisitor<R>

Type Parameters:

R - Return type

All Known Implementing Classes:

ReduceDecimalsRule.DecimalShuttle, RelOptUtil.InputFinder, RelOptUtil.InputReferencedVisitor, RelOptUtil.RexInputConverter, RelOptUtil.VariableUsedVisitor, RexChecker, RexPermutationShuttle, RexPermuteInputsShuttle, RexShuttle, RexUtil.FieldAccessFinder, RexVisitorImpl

public interface RexVisitor<R>

Visitor pattern for traversing a tree of RexNode objects.

See Also:

Glossary.VISITOR_PATTERN, RexShuttle, RexVisitorImpl

Method Summary

Methods

Modifier and Type	Method and Description
R	visitCall(RexCall call)
R	visitCorrelVariable(RexCorrelVariable correlVariable)
R	visitDynamicParam(RexDynamicParam dynamicParam)
R	visitFieldAccess(RexFieldAccess fieldAccess)
R	visitInputRef(RexInputRef inputRef)
R	visitLiteral(RexLiteral literal)
R	visitLocalRef(RexLocalRef localRef)
R	visitOver(RexOver over)
R	visitRangeRef(RexRangeRef rangeRef)

Method Detail

visitInputRef

R visitInputRef(RexInputRef inputRef)

visitLocalRef

R visitLocalRef(RexLocalRef localRef)

visitLiteral

R visitLiteral(RexLiteral literal)

visitCall

R visitCall(RexCall call)

visitOver

R visitOver(RexOver over)

visitCorrelVariable

R visitCorrelVariable(RexCorrelVariable correlVariable)

visitDynamicParam

R visitDynamicParam(RexDynamicParam dynamicParam)

visitRangeRef

R visitRangeRef(RexRangeRef rangeRef)

visitFieldAccess

R visitFieldAccess(RexFieldAccess fieldAccess)