org.eigenbase.rel.rules
Class ReduceDecimalsRule.CastArgAsReturnExpander

java.lang.Object
  org.eigenbase.rel.rules.ReduceDecimalsRule.RexExpander
      org.eigenbase.rel.rules.ReduceDecimalsRule.CastArgAsTypeExpander
          org.eigenbase.rel.rules.ReduceDecimalsRule.CastArgAsReturnExpander

Enclosing class:

ReduceDecimalsRule

private class ReduceDecimalsRule.CastArgAsReturnExpander
extends ReduceDecimalsRule.CastArgAsTypeExpander

An expander which casts decimal arguments as call return type

Field Summary

Fields inherited from class org.eigenbase.rel.rules.ReduceDecimalsRule.RexExpander

builder, int8, real8

Constructor Summary

private

ReduceDecimalsRule.CastArgAsReturnExpander(RexBuilder builder)

Method Summary

RelDataType

getArgType(RexCall call, int ordinal)

Methods inherited from class org.eigenbase.rel.rules.ReduceDecimalsRule.CastArgAsTypeExpander

expand

Methods inherited from class org.eigenbase.rel.rules.ReduceDecimalsRule.RexExpander

accessValue, canExpand, decodeValue, encodeValue, encodeValue, ensureScale, ensureType, ensureType, makeApproxLiteral, makeApproxScaleFactor, makeCase, makeCase, makeDivide, makeExactLiteral, makeIsNegative, makeIsPositive, makeMinus, makeMultiply, makePlus, makeRoundFactor, makeScaleFactor, matchNullability, powerOfTen, scaleDown, scaleDownDouble, scaleUp

Methods inherited from class java.lang.Object

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

Constructor Detail

ReduceDecimalsRule.CastArgAsReturnExpander

private ReduceDecimalsRule.CastArgAsReturnExpander(RexBuilder builder)

Method Detail

getArgType

public RelDataType getArgType(RexCall call,
                              int ordinal)

Specified by:

getArgType in class ReduceDecimalsRule.CastArgAsTypeExpander