SubConditionRemover Class Reference

Inheritance diagram for SubConditionRemover:

Collaboration diagram for SubConditionRemover:

Public Member Functions
	SubConditionRemover (const std::vector< const RexScalar * > sub_conds)
RetType	visitOperator (const RexOperator *rex_operator) const override
Public Member Functions inherited from RexVisitorBase< std::unique_ptr< const RexScalar > >
virtual std::unique_ptr< const RexScalar >	visit (const RexScalar *rex_scalar) const

Private Attributes
std::unordered_set< const RexScalar * >	sub_conditions_

Additional Inherited Members
Public Types inherited from RexDeepCopyVisitor
using	RowValues = std::vector< std::unique_ptr< const RexScalar >>
Static Public Member Functions inherited from RexDeepCopyVisitor
static std::vector< RowValues >	copy (std::vector< RowValues > const &rhs)
Protected Types inherited from RexDeepCopyVisitor
using	RetType = std::unique_ptr< const RexScalar >
Protected Member Functions inherited from RexDeepCopyVisitor
RetType	visitInput (const RexInput *input) const override
RetType	visitLiteral (const RexLiteral *literal) const override
RetType	visitSubQuery (const RexSubQuery *subquery) const override
RetType	visitRef (const RexRef *ref) const override
RetType	visitOperator (const RexOperator *rex_operator) const override
RetType	visitWindowFunctionOperator (const RexWindowFunctionOperator *rex_window_function_operator) const
RetType	visitCase (const RexCase *rex_case) const override

Detailed Description

Definition at line 1618 of file RelAlgOptimizer.cpp.

Constructor & Destructor Documentation

SubConditionRemover::SubConditionRemover ( const std::vector< const RexScalar * >  sub_conds )

inline

Definition at line 1620 of file RelAlgOptimizer.cpp.

      : sub_conditions_(sub_conds.begin(), sub_conds.end()) {}

Member Function Documentation

RetType SubConditionRemover::visitOperator ( const RexOperator *  rex_operator ) const

inlineoverridevirtual

Implements RexVisitorBase< std::unique_ptr< const RexScalar > >.

Definition at line 1622 of file RelAlgOptimizer.cpp.

References kBOOLEAN, sub_conditions_, and RexDeepCopyVisitor::visitOperator().

                                                                        {
    if (sub_conditions_.count(rex_operator)) {
      return boost::make_unique<RexLiteral>(
          true, kBOOLEAN, kBOOLEAN, unsigned(-2147483648), 1, unsigned(-2147483648), 1);
    }
    return RexDeepCopyVisitor::visitOperator(rex_operator);
  }

Here is the call graph for this function:

Member Data Documentation

std::unordered_set<const RexScalar*> SubConditionRemover::sub_conditions_

private

Definition at line 1631 of file RelAlgOptimizer.cpp.

Referenced by visitOperator().

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The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/RelAlgOptimizer.cpp