#include <RelAlgDag.h>

Inheritance diagram for RelJoin:

Collaboration diagram for RelJoin:

Public Member Functions
	RelJoin ()

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

	RelJoin (RelJoin const &)

virtual void	acceptChildren (Visitor &v) const override

virtual void	accept (Visitor &v, std::string name) const override

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 (RelRexToStringConfig config=RelRexToStringConfig::defaults()) const override

size_t	size () const override

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

void	addHint (const ExplainedQueryHint &hint_explained)

const bool	hasHintEnabled (QueryHint candidate_hint) const

const ExplainedQueryHint &	getHintInfo (QueryHint hint) const

bool	hasDeliveredHint ()

Hints *	getDeliveredHints ()

virtual size_t	toHash () const override

Public Member Functions inherited from RelAlgNode
	RelAlgNode (RelAlgInputs inputs={})

virtual	~RelAlgNode ()

void	resetQueryExecutionState ()

void	setContextData (const RaExecutionDesc *context_data) const

void	setOutputMetainfo (std::vector< TargetMetaInfo > targets_metainfo) const

void	setQueryPlanDag (const std::string &extracted_query_plan_dag) const

std::string	getQueryPlanDag () const

size_t	getQueryPlanDagHash () const

const std::vector < TargetMetaInfo > &	getOutputMetainfo () const

unsigned	getId () const

bool	hasContextData () const

const RaExecutionDesc *	getContextData () const

const size_t	inputCount () const

const RelAlgNode *	getInput (const size_t idx) const

const std::vector< RelAlgNode const * >	getInputs () 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

void	setRelNodeDagId (const size_t id) const

size_t	getRelNodeDagId () const

bool	isNop () const

void	markAsNop ()

void	clearContextData () const

Public Member Functions inherited from RelAlgDagNode
	RelAlgDagNode ()

virtual size_t	getStepNumber () const

virtual void	setStepNumber (size_t step) const

std::optional< size_t >	getIdInPlanTree () const

void	setIdInPlanTree (size_t id) const

Private Attributes
std::unique_ptr< const RexScalar >	condition_

JoinType	join_type_

bool	hint_applied_

std::unique_ptr< Hints >	hints_

Friends
struct	RelAlgDagSerializer

std::size_t	hash_value (RelJoin const &)

Additional Inherited Members
Static Public Member Functions inherited from RelAlgNode
static void	resetRelAlgFirstId () noexcept

Protected Attributes inherited from RelAlgNode
RelAlgInputs	inputs_

unsigned	id_

std::optional< size_t >	hash_

Protected Attributes inherited from RelAlgDagNode
size_t	step_ {0}

std::optional< size_t >	id_in_plan_tree_

Detailed Description

Definition at line 1615 of file RelAlgDag.h.

Constructor & Destructor Documentation

RelJoin::RelJoin ( )

inline

Definition at line 1618 of file RelAlgDag.h.

1618 : join_type_(JoinType::INVALID), hint_applied_(false) {}

RelJoin::hint_applied_

bool hint_applied_

Definition: RelAlgDag.h:1733

RelJoin::join_type_

JoinType join_type_

Definition: RelAlgDag.h:1732

JoinType::INVALID

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 1620 of file RelAlgDag.h.

References RelAlgNode::inputs_.

       : condition_(std::move(condition))
       , join_type_(join_type)
       , hint_applied_(false)
       , hints_(std::make_unique<Hints>()) {
     inputs_.push_back(lhs);
     inputs_.push_back(rhs);
   }

RelJoin::RelJoin ( RelJoin const & rhs )

Definition at line 601 of file RelAlgDag.cpp.

References addHint(), condition_, hint_applied_, hints_, and RexVisitorBase< T >::visit().

     : RelAlgNode(rhs)
     , join_type_(rhs.join_type_)
     , hint_applied_(false)
     , hints_(std::make_unique<Hints>()) {
   RexDeepCopyVisitor copier;
   condition_ = copier.visit(rhs.condition_.get());
   if (rhs.hint_applied_) {
     for (auto const& kv : *rhs.hints_) {
       addHint(kv.second);
     }
   }
 }

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Member Function Documentation

virtual void RelJoin::accept	(	Visitor &	v,
		std::string	name
	)		const

inlineoverridevirtual

Implements RelAlgDagNode.

Definition at line 1644 of file RelAlgDag.h.

References acceptChildren(), and RelAlgDagNode::Visitor::visit().

Referenced by TableFunctionsFactory_node.PrintNode::__str__().

                                                                  {
     if (v.visit(this, std::move(name))) {
       acceptChildren(v);
     }
   }

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virtual void RelJoin::acceptChildren ( Visitor & v ) const

inlineoverridevirtual

Implements RelAlgDagNode.

Definition at line 1634 of file RelAlgDag.h.

References RelAlgDagNode::accept(), getCondition(), RelAlgNode::getInputs(), and anonymous_namespace{Utm.h}::n.

Referenced by accept().

                                                          {
     if (getCondition()) {
       getCondition()->accept(v, "condition");
     }
     for (auto& n : getInputs()) {
       if (n) {
         n->accept(v, "input");
       }
     }
   }

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void RelJoin::addHint ( const ExplainedQueryHint & hint_explained )

inline

Definition at line 1701 of file RelAlgDag.h.

References ExplainedQueryHint::getHint(), hint_applied_, and hints_.

Referenced by RelJoin().

                                                          {
     if (!hint_applied_) {
       hint_applied_ = true;
     }
     hints_->emplace(hint_explained.getHint(), hint_explained);
   }

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

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 1697 of file RelAlgDag.h.

                                                       {
     return std::make_shared<RelJoin>(*this);
   }

const RexScalar* RelJoin::getAndReleaseCondition ( ) const

inline

Definition at line 1654 of file RelAlgDag.h.

References condition_.

1654 { return condition_.release(); }

RelJoin::condition_

std::unique_ptr< const RexScalar > condition_

Definition: RelAlgDag.h:1731

const RexScalar* RelJoin::getCondition ( ) const

inline

Definition at line 1652 of file RelAlgDag.h.

References condition_.

Referenced by acceptChildren(), RelRexDagVisitor::visit(), and anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor::visitJoin().

1652 { return condition_.get(); }

RelJoin::condition_

std::unique_ptr< const RexScalar > condition_

Definition: RelAlgDag.h:1731

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Hints* RelJoin::getDeliveredHints ( )

inline

Definition at line 1724 of file RelAlgDag.h.

References hints_.

1724 { return hints_.get(); }

RelJoin::hints_

std::unique_ptr< Hints > hints_

Definition: RelAlgDag.h:1734

const ExplainedQueryHint& RelJoin::getHintInfo ( QueryHint hint ) const

inline

Definition at line 1715 of file RelAlgDag.h.

References CHECK, hasHintEnabled(), hint_applied_, and hints_.

                                                               {
     CHECK(hint_applied_);
     CHECK(!hints_->empty());
     CHECK(hasHintEnabled(hint));
     return hints_->at(hint);
   }

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JoinType RelJoin::getJoinType ( ) const

inline

Definition at line 1650 of file RelAlgDag.h.

References join_type_.

Referenced by hash_value().

1650 { return join_type_; }

RelJoin::join_type_

JoinType join_type_

Definition: RelAlgDag.h:1732

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bool RelJoin::hasDeliveredHint ( )

inline

Definition at line 1722 of file RelAlgDag.h.

References hints_.

1722 { return !hints_->empty(); }

RelJoin::hints_

std::unique_ptr< Hints > hints_

Definition: RelAlgDag.h:1734

const bool RelJoin::hasHintEnabled ( QueryHint candidate_hint ) const

inline

Definition at line 1708 of file RelAlgDag.h.

References hint_applied_, and hints_.

Referenced by getHintInfo().

                                                             {
     if (hint_applied_ && !hints_->empty()) {
       return hints_->find(candidate_hint) != hints_->end();
     }
     return false;
   }

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

overridevirtual

Reimplemented from RelAlgNode.

Definition at line 528 of file RelAlgDag.cpp.

References condition_, and 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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void RelJoin::setCondition ( std::unique_ptr< const RexScalar > & condition )

inline

Definition at line 1656 of file RelAlgDag.h.

References CHECK, and condition_.

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

size_t RelJoin::size ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 1695 of file RelAlgDag.h.

References RelAlgNode::inputs_.

1695 { return inputs_[0]->size() + inputs_[1]->size(); }

RelAlgNode::inputs_

RelAlgInputs inputs_

Definition: RelAlgDag.h:945

virtual size_t RelJoin::toHash ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 1726 of file RelAlgDag.h.

References hash_value.

1726 { return hash_value(*this); }

RelJoin::hash_value

friend std::size_t hash_value(RelJoin const &)

Definition: RelAlgDag.cpp:3725

std::string RelJoin::toString ( RelRexToStringConfig config = RelRexToStringConfig::defaults() ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 1664 of file RelAlgDag.h.

References cat(), condition_, RelAlgNode::inputs_, join_type_, to_string(), and typeName().

                                                                                    {
     if (!config.attributes_only) {
       auto ret = cat(::typeName(this), "(");
       if (!config.skip_input_nodes) {
         ret += ::toString(inputs_);
       } else {
         ret += ", input node id={";
         for (auto& input : inputs_) {
           auto node_id_in_plan = input->getIdInPlanTree();
           auto node_id_str = node_id_in_plan ? std::to_string(*node_id_in_plan)
                                              : std::to_string(input->getId());
           ret += node_id_str + " ";
         }
         ret += "}";
       }
       return cat(ret,
                  ", condition=",
                  (condition_ ? condition_->toString(config) : "null"),
                  ", join_type=",
                  ::toString(join_type_));
     } else {
       return cat(::typeName(this),
                  "(condition=",
                  (condition_ ? condition_->toString(config) : "null"),
                  ", join_type=",
                  ::toString(join_type_),
                  ")");
     }
   }

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Friends And Related Function Documentation

std::size_t hash_value ( RelJoin const & rel_join )

friend

Definition at line 3725 of file RelAlgDag.cpp.

Referenced by toHash().

                                               {
   if (rel_join.hash_) {
     return *rel_join.hash_;
   }
   rel_join.hash_ = typeid(RelJoin).hash_code();
   boost::hash_combine(*rel_join.hash_, rel_join.condition_);
   boost::hash_combine(*rel_join.hash_, rel_join.inputs_);
   boost::hash_combine(*rel_join.hash_, ::toString(rel_join.getJoinType()));
   return *rel_join.hash_;
 }