RelJoin Class Reference

#include <RelAlgDagBuilder.h>

Inheritance diagram for RelJoin:

Collaboration diagram for RelJoin:

Public Member Functions
	RelJoin (std::shared_ptr< const RelAlgNode > lhs, std::shared_ptr< const RelAlgNode > rhs, std::unique_ptr< const RexScalar > &condition, const JoinType join_type)
JoinType	getJoinType () const
const RexScalar *	getCondition () const
const RexScalar *	getAndReleaseCondition () const
void	setCondition (std::unique_ptr< const RexScalar > &condition)
void	replaceInput (std::shared_ptr< const RelAlgNode > old_input, std::shared_ptr< const RelAlgNode > input) override
std::string	toString () const override
size_t	size () const override
std::shared_ptr< RelAlgNode >	deepCopy () const override
Public Member Functions inherited from RelAlgNode
	RelAlgNode ()
virtual	~RelAlgNode ()
void	resetQueryExecutionState ()
void	setContextData (const void *context_data) const
void	setOutputMetainfo (const std::vector< TargetMetaInfo > &targets_metainfo) const
const std::vector< TargetMetaInfo > &	getOutputMetainfo () const
unsigned	getId () const
bool	hasContextData () const
const void *	getContextData () const
const size_t	inputCount () const
const RelAlgNode *	getInput (const size_t idx) const
std::shared_ptr< const RelAlgNode >	getAndOwnInput (const size_t idx) const
void	addManagedInput (std::shared_ptr< const RelAlgNode > input)
bool	hasInput (const RelAlgNode *needle) const
bool	isNop () const
void	markAsNop ()

Private Attributes
std::unique_ptr< const RexScalar >	condition_
const JoinType	join_type_

Additional Inherited Members
Static Public Member Functions inherited from RelAlgNode
static void	resetRelAlgFirstId () noexcept
Protected Attributes inherited from RelAlgNode
std::vector< std::shared_ptr< const RelAlgNode > >	inputs_
const unsigned	id_

Detailed Description

Definition at line 934 of file RelAlgDagBuilder.h.

Constructor & Destructor Documentation

RelJoin()

RelJoin::RelJoin ( std::shared_ptr< const RelAlgNode >  lhs, std::shared_ptr< const RelAlgNode >  rhs, std::unique_ptr< const RexScalar > &  condition, const JoinType  join_type  )

inline

Definition at line 936 of file RelAlgDagBuilder.h.

      : condition_(std::move(condition)), join_type_(join_type) {
    inputs_.push_back(lhs);
    inputs_.push_back(rhs);
  }

Member Function Documentation

deepCopy()

std::shared_ptr< RelAlgNode > RelJoin::deepCopy ( ) const

overridevirtual

Implements RelAlgNode.

Definition at line 318 of file RelAlgDagBuilder.cpp.

References RelAlgNode::inputs_, and RexVisitorBase< T >::visit().

                                                  {
  RexDeepCopyVisitor copier;
  auto condition_copy = copier.visit(condition_.get());
  return std::make_shared<RelJoin>(inputs_[0], inputs_[1], condition_copy, join_type_);
}

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getAndReleaseCondition()

const RexScalar* RelJoin::getAndReleaseCondition ( ) const

inline

Definition at line 949 of file RelAlgDagBuilder.h.

{ return condition_.release(); }

getCondition()

const RexScalar* RelJoin::getCondition ( ) const

inline

Definition at line 947 of file RelAlgDagBuilder.h.

Referenced by anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor::visitJoin().

{ return condition_.get(); }

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getJoinType()

JoinType RelJoin::getJoinType ( ) const

inline

Definition at line 945 of file RelAlgDagBuilder.h.

{ return join_type_; }

replaceInput()

void RelJoin::replaceInput ( std::shared_ptr< const RelAlgNode >  old_input, std::shared_ptr< const RelAlgNode >  input  )

overridevirtual

Reimplemented from RelAlgNode.

Definition at line 266 of file RelAlgDagBuilder.cpp.

References RelAlgNode::replaceInput().

Referenced by create_left_deep_join().

                                                                  {
  RelAlgNode::replaceInput(old_input, input);
  RexRebindInputsVisitor rebind_inputs(old_input.get(), input.get());
  if (condition_) {
    rebind_inputs.visit(condition_.get());
  }
}

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setCondition()

void RelJoin::setCondition ( std::unique_ptr< const RexScalar > &  condition )

inline

Definition at line 951 of file RelAlgDagBuilder.h.

References CHECK.

                                                               {
    CHECK(condition);
    condition_ = std::move(condition);
  }

size()

size_t RelJoin::size ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 967 of file RelAlgDagBuilder.h.

{ return inputs_[0]->size() + inputs_[1]->size(); }

toString()

std::string RelJoin::toString ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 959 of file RelAlgDagBuilder.h.

References run_benchmark_import::result, and to_string().

                                      {
    std::string result =
        "(RelJoin<" + std::to_string(reinterpret_cast<uint64_t>(this)) + ">(";
    result += condition_ ? condition_->toString() : "null";
    result += " " + std::to_string(static_cast<int>(join_type_));
    return result + ")";
  }

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Member Data Documentation

condition_

std::unique_ptr<const RexScalar> RelJoin::condition_

mutableprivate

Definition at line 972 of file RelAlgDagBuilder.h.

join_type_

const JoinType RelJoin::join_type_

private

Definition at line 973 of file RelAlgDagBuilder.h.

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

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