Package org.apache.calcite.sql2rel
Class RelStructuredTypeFlattener.RewriteRexShuttle
- java.lang.Object
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- org.apache.calcite.rex.RexShuttle
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- org.apache.calcite.sql2rel.RelStructuredTypeFlattener.RewriteRexShuttle
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- All Implemented Interfaces:
RexVisitor<RexNode>
- Enclosing class:
- RelStructuredTypeFlattener
private class RelStructuredTypeFlattener.RewriteRexShuttle extends RexShuttle
Shuttle that rewrites scalar expressions.
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Constructor Summary
Constructors Modifier Constructor Description private
RewriteRexShuttle()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description private RexNode
flattenComparison(RexBuilder rexBuilder, SqlOperator op, java.util.List<RexNode> exprs)
private RelDataType
removeDistinct(RelDataType type)
RexNode
visitCall(RexCall rexCall)
RexNode
visitFieldAccess(RexFieldAccess fieldAccess)
RexNode
visitInputRef(RexInputRef input)
RexNode
visitSubQuery(RexSubQuery subQuery)
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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
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Method Detail
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visitInputRef
public RexNode visitInputRef(RexInputRef input)
- Specified by:
visitInputRef
in interfaceRexVisitor<RexNode>
- Overrides:
visitInputRef
in classRexShuttle
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removeDistinct
private RelDataType removeDistinct(RelDataType type)
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visitFieldAccess
public RexNode visitFieldAccess(RexFieldAccess fieldAccess)
- Specified by:
visitFieldAccess
in interfaceRexVisitor<RexNode>
- Overrides:
visitFieldAccess
in classRexShuttle
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visitCall
public RexNode visitCall(RexCall rexCall)
- Specified by:
visitCall
in interfaceRexVisitor<RexNode>
- Overrides:
visitCall
in classRexShuttle
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visitSubQuery
public RexNode visitSubQuery(RexSubQuery subQuery)
- Specified by:
visitSubQuery
in interfaceRexVisitor<RexNode>
- Overrides:
visitSubQuery
in classRexShuttle
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flattenComparison
private RexNode flattenComparison(RexBuilder rexBuilder, SqlOperator op, java.util.List<RexNode> exprs)
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