#include <RelAlgDag.h>

Inheritance diagram for RelTableFunction:

Collaboration diagram for RelTableFunction:

Public Member Functions
	RelTableFunction ()=default

	RelTableFunction (const std::string &function_name, RelAlgInputs inputs, std::vector< std::string > &fields, std::vector< const Rex * > col_inputs, std::vector< std::unique_ptr< const RexScalar >> &table_func_inputs, std::vector< std::unique_ptr< const RexScalar >> &target_exprs)

	RelTableFunction (RelTableFunction const &)

virtual void	acceptChildren (Visitor &v) const override

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

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

std::string	getFunctionName () const

size_t	size () const override

const RexScalar *	getTargetExpr (size_t idx) const

size_t	getTableFuncInputsSize () const

size_t	getColInputsSize () const

int32_t	countRexLiteralArgs () const

const RexScalar *	getTableFuncInputAt (const size_t idx) const

const RexScalar *	getTableFuncInputAtAndRelease (const size_t idx)

void	setTableFuncInputs (std::vector< std::unique_ptr< const RexScalar >> &&exprs)

std::string	getFieldName (const size_t idx) const

const std::vector< std::string > &	getFields () const

void	setFields (std::vector< std::string > &&fields)

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

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

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::string	function_name_

std::vector< std::string >	fields_

std::vector< const Rex * >	col_inputs_

std::vector< std::unique_ptr < const RexScalar > >	table_func_inputs_

std::vector< std::unique_ptr < const RexScalar > >	target_exprs_

Friends
struct	RelAlgDagSerializer

std::size_t	hash_value (RelTableFunction 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 2502 of file RelAlgDag.h.

Constructor & Destructor Documentation

RelTableFunction::RelTableFunction ( )

default

RelTableFunction::RelTableFunction	(	const std::string &	function_name,
		RelAlgInputs	inputs,
		std::vector< std::string > &	fields,
		std::vector< const Rex * >	col_inputs,
		std::vector< std::unique_ptr< const RexScalar >> &	table_func_inputs,
		std::vector< std::unique_ptr< const RexScalar >> &	target_exprs
	)

inline

Definition at line 2507 of file RelAlgDag.h.

References RelAlgNode::inputs_.

       : function_name_(function_name)
       , fields_(fields)
       , col_inputs_(col_inputs)
       , table_func_inputs_(std::move(table_func_inputs))
       , target_exprs_(std::move(target_exprs)) {
     for (const auto& input : inputs) {
       inputs_.emplace_back(input);
     }
   }

RelTableFunction::RelTableFunction ( RelTableFunction const & rhs )

Definition at line 740 of file RelAlgDag.cpp.

References col_inputs_, anonymous_namespace{RelAlgDag.cpp}::reset_table_function_inputs(), and table_func_inputs_.

     : RelAlgNode(rhs)
     , function_name_(rhs.function_name_)
     , fields_(rhs.fields_)
     , col_inputs_(rhs.col_inputs_)
     , table_func_inputs_(copyRexScalars(rhs.table_func_inputs_))
     , target_exprs_(copyRexScalars(rhs.target_exprs_)) {
   reset_table_function_inputs(col_inputs_, rhs.table_func_inputs_, table_func_inputs_);
 }

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Member Function Documentation

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

inlineoverridevirtual

Implements RelAlgDagNode.

Definition at line 2542 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 RelTableFunction::acceptChildren ( Visitor & v ) const

inlineoverridevirtual

Implements RelAlgDagNode.

Definition at line 2525 of file RelAlgDag.h.

References RelAlgDagNode::accept(), RelAlgNode::getInputs(), getTableFuncInputAt(), getTableFuncInputsSize(), getTargetExpr(), anonymous_namespace{Utm.h}::n, and size().

Referenced by accept().

                                                          {
     for (size_t i = 0; i < getTableFuncInputsSize(); ++i) {
       if (getTableFuncInputAt(i)) {
         getTableFuncInputAt(i)->accept(v, "argument");
       }
     }
     for (size_t i = 0; i < size(); ++i) {
       if (getTargetExpr(i)) {
         getTargetExpr(i)->accept(v, "target");
       }
     }
     for (auto& n : getInputs()) {
       if (n) {
         n->accept(v, "input");
       }
     }
   }

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int32_t RelTableFunction::countRexLiteralArgs ( ) const

Definition at line 698 of file RelAlgDag.cpp.

References table_func_inputs_.

Referenced by RelAlgExecutor::createTableFunctionWorkUnit().

                                                     {
   int32_t literal_args = 0;
   for (const auto& arg : table_func_inputs_) {
     const auto rex_literal = dynamic_cast<const RexLiteral*>(arg.get());
     if (rex_literal) {
       literal_args += 1;
     }
   }
   return literal_args;
 }

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

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2594 of file RelAlgDag.h.

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

size_t RelTableFunction::getColInputsSize ( ) const

inline

Definition at line 2562 of file RelAlgDag.h.

References col_inputs_.

Referenced by RelAlgExecutor::createTableFunctionWorkUnit().

2562 { return col_inputs_.size(); }

RelTableFunction::col_inputs_

std::vector< const Rex * > col_inputs_

Definition: RelAlgDag.h:2642

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std::string RelTableFunction::getFieldName ( const size_t idx ) const

inline

Definition at line 2586 of file RelAlgDag.h.

References CHECK_LT, and fields_.

                                                  {
     CHECK_LT(idx, fields_.size());
     return fields_[idx];
   }

const std::vector<std::string>& RelTableFunction::getFields ( ) const

inline

Definition at line 2591 of file RelAlgDag.h.

References fields_.

2591 { return fields_; }

RelTableFunction::fields_

std::vector< std::string > fields_

Definition: RelAlgDag.h:2640

std::string RelTableFunction::getFunctionName ( ) const

inline

Definition at line 2551 of file RelAlgDag.h.

References function_name_.

Referenced by RelAlgExecutor::createTableFunctionWorkUnit().

2551 { return function_name_; }

RelTableFunction::function_name_

std::string function_name_

Definition: RelAlgDag.h:2639

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const RexScalar* RelTableFunction::getTableFuncInputAt ( const size_t idx ) const

inline

Definition at line 2566 of file RelAlgDag.h.

References CHECK_LT, and table_func_inputs_.

Referenced by acceptChildren(), RelAlgExecutor::createTableFunctionWorkUnit(), anonymous_namespace{RelAlgExecutor.cpp}::get_used_inputs(), anonymous_namespace{RelAlgExecutor.cpp}::scalar_at(), and RelRexDagVisitor::visit().

                                                                {
     CHECK_LT(idx, table_func_inputs_.size());
     return table_func_inputs_[idx].get();
   }

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const RexScalar* RelTableFunction::getTableFuncInputAtAndRelease ( const size_t idx )

inline

Definition at line 2571 of file RelAlgDag.h.

References CHECK_LT, and table_func_inputs_.

                                                                    {
     // NOTE: as of 08/06/22, this appears to only be called by the bind_inputs free
     // function in RelAlgDag.cpp to disambituate inputs. If you follow the bind_inputs
     // path, it eventually could call this method in a bind_table_func_to_input lambda
     // According to that lambda, the released pointer released here is be immediately be
     // placed in a new vector of RexScalar unique_ptrs which is then ultimatey used as an
     // argument for the setTableFuncInputs method below. As such, if a table_func_input_
     // is released here that is being pointed to by one of the col_inputs_, then we can
     // keep that col_inputs_ pointer as that table_func_input_ should be returned back.
     CHECK_LT(idx, table_func_inputs_.size());
     return table_func_inputs_[idx].release();
   }

size_t RelTableFunction::getTableFuncInputsSize ( ) const

inline

Definition at line 2560 of file RelAlgDag.h.

References table_func_inputs_.

Referenced by acceptChildren(), anonymous_namespace{RelAlgExecutor.cpp}::get_scalar_sources_size(), anonymous_namespace{RelAlgExecutor.cpp}::get_used_inputs(), and RelRexDagVisitor::visit().

2560 { return table_func_inputs_.size(); }

RelTableFunction::table_func_inputs_

std::vector< std::unique_ptr< const RexScalar > > table_func_inputs_

Definition: RelAlgDag.h:2645

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const RexScalar* RelTableFunction::getTargetExpr ( size_t idx ) const

inline

Definition at line 2555 of file RelAlgDag.h.

References CHECK_LT, and target_exprs_.

Referenced by acceptChildren().

                                                    {
     CHECK_LT(idx, target_exprs_.size());
     return target_exprs_[idx].get();
   }

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

overridevirtual

Reimplemented from RelAlgNode.

Definition at line 686 of file RelAlgDag.cpp.

References RelAlgNode::replaceInput(), table_func_inputs_, and target_exprs_.

                                                                            {
   RelAlgNode::replaceInput(old_input, input);
   RexRebindInputsVisitor rebind_inputs(old_input.get(), input.get());
   for (const auto& target_expr : target_exprs_) {
     rebind_inputs.visit(target_expr.get());
   }
   for (const auto& func_input : table_func_inputs_) {
     rebind_inputs.visit(func_input.get());
   }
 }

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void RelTableFunction::setFields ( std::vector< std::string > && fields )

inline

Definition at line 2592 of file RelAlgDag.h.

References fields_.

2592 { fields_ = std::move(fields); }

RelTableFunction::fields_

std::vector< std::string > fields_

Definition: RelAlgDag.h:2640

void RelTableFunction::setTableFuncInputs ( std::vector< std::unique_ptr< const RexScalar >> && exprs )

Definition at line 730 of file RelAlgDag.cpp.

References col_inputs_, anonymous_namespace{RelAlgDag.cpp}::reset_table_function_inputs(), and table_func_inputs_.

                                                        {
   // this should only be called in the event of disambiguating inputs, which means the
   // RexScalar types in the exprs argument should be the exact same as those previously.
   // So we can then assume all col_inputs_ would be in the same place. So just re-adjust
   // the pointers.
   reset_table_function_inputs(col_inputs_, table_func_inputs_, exprs);
   table_func_inputs_ = std::move(exprs);
 }

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size_t RelTableFunction::size ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2553 of file RelAlgDag.h.

References target_exprs_.

Referenced by acceptChildren().

2553 { return target_exprs_.size(); }

RelTableFunction::target_exprs_

std::vector< std::unique_ptr< const RexScalar > > target_exprs_

Definition: RelAlgDag.h:2648

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virtual size_t RelTableFunction::toHash ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2634 of file RelAlgDag.h.

References hash_value.

2634 { return hash_value(*this); }

RelTableFunction::hash_value

friend std::size_t hash_value(RelTableFunction const &)

Definition: RelAlgDag.cpp:3819

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

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2598 of file RelAlgDag.h.

References cat(), fields_, function_name_, RelAlgNode::inputs_, table_func_inputs_, target_exprs_, to_string(), and typeName().

                                                                                    {
     if (!config.attributes_only) {
       auto ret = cat(::typeName(this), "(", function_name_);
       if (!config.skip_input_nodes) {
         ret += ", inputs=", ::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 += "}";
       }
       ret += cat(
           ", fields=", ::toString(fields_), ", col_inputs=...", ", table_func_inputs=");
       if (!config.skip_input_nodes) {
         ret += ::toString(table_func_inputs_);
       } else {
         for (auto& expr : table_func_inputs_) {
           ret += expr->toString(config) + " ";
         }
       }
       ret += ", target_exprs=";
       for (auto& expr : target_exprs_) {
         ret += expr->toString(config) + " ";
       }
       return cat(ret, ")");
     } else {
       return cat(
           ::typeName(this), "(", function_name_, ", fields=", ::toString(fields_), ")");
     }
   }

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Friends And Related Function Documentation

std::size_t hash_value ( RelTableFunction const & rel_tf )

friend

Definition at line 3819 of file RelAlgDag.cpp.

Referenced by toHash().

                                                      {
   if (rel_tf.hash_) {
     return *rel_tf.hash_;
   }
   rel_tf.hash_ = typeid(RelTableFunction).hash_code();
   boost::hash_combine(*rel_tf.hash_, rel_tf.function_name_);
   boost::hash_combine(*rel_tf.hash_, rel_tf.table_func_inputs_);
   boost::hash_combine(*rel_tf.hash_, rel_tf.target_exprs_);
   boost::hash_combine(*rel_tf.hash_, rel_tf.fields_);
   boost::hash_combine(*rel_tf.hash_, rel_tf.inputs_);
   return *rel_tf.hash_;
 }