Package org.apache.calcite.rel.rules
Class CalcRelSplitter.HighestUsageFinder
- java.lang.Object
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- org.apache.calcite.rex.RexVisitorImpl<java.lang.Void>
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- org.apache.calcite.rel.rules.CalcRelSplitter.HighestUsageFinder
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- All Implemented Interfaces:
RexVisitor<java.lang.Void>
- Enclosing class:
- CalcRelSplitter
private static class CalcRelSplitter.HighestUsageFinder extends RexVisitorImpl<java.lang.Void>
Builds an array of the highest level which contains an expression which uses each expression as an input.
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Field Summary
Fields Modifier and Type Field Description private int
currentLevel
private int[]
maxUsingLevelOrdinals
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Fields inherited from class org.apache.calcite.rex.RexVisitorImpl
deep
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Constructor Summary
Constructors Constructor Description HighestUsageFinder(RexNode[] exprs, int[] exprLevels)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int[]
getMaxUsingLevelOrdinals()
java.lang.Void
visitLocalRef(RexLocalRef ref)
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Methods inherited from class org.apache.calcite.rex.RexVisitorImpl
visitArrayAnd, visitArrayOr, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitInputRef, visitLiteral, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef
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Constructor Detail
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HighestUsageFinder
HighestUsageFinder(RexNode[] exprs, int[] exprLevels)
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Method Detail
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getMaxUsingLevelOrdinals
public int[] getMaxUsingLevelOrdinals()
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visitLocalRef
public java.lang.Void visitLocalRef(RexLocalRef ref)
- Specified by:
visitLocalRef
in interfaceRexVisitor<java.lang.Void>
- Overrides:
visitLocalRef
in classRexVisitorImpl<java.lang.Void>
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