#include <RelAlgDag.h>

Inheritance diagram for RelLogicalUnion:

Collaboration diagram for RelLogicalUnion:

Public Member Functions
	RelLogicalUnion ()

	RelLogicalUnion (RelAlgInputs, bool is_all)

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

size_t	size () const override

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

size_t	toHash () const override

std::string	getFieldName (const size_t i) const

bool	isAll () const

std::vector< TargetMetaInfo >	getCompatibleMetainfoTypes () const

RexScalar const *	copyAndRedirectSource (RexScalar const *, size_t input_idx) const

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

void	setIdInPlanTree (size_t id) const

std::optional< size_t >	getIdInPlanTree () const

bool	hasContextData () const

const RaExecutionDesc *	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

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

void	setRelNodeDagId (const size_t id) const

size_t	getRelNodeDagId () const

bool	isNop () const

void	markAsNop ()

void	clearContextData () const

Public Attributes
std::vector< std::shared_ptr < const RexScalar > >	scalar_exprs_

Private Attributes
bool	is_all_

Friends
struct	RelAlgDagSerializer

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 >	id_in_plan_tree_

std::optional< size_t >	hash_

Detailed Description

Definition at line 2461 of file RelAlgDag.h.

Constructor & Destructor Documentation

RelLogicalUnion::RelLogicalUnion ( )

inline

Definition at line 2464 of file RelAlgDag.h.

Referenced by toHash().

2464 : is_all_{false} {}

RelLogicalUnion::is_all_

bool is_all_

Definition: RelAlgDag.h:2486

Here is the caller graph for this function:

RelLogicalUnion::RelLogicalUnion	(	RelAlgInputs	inputs,
		bool	is_all
	)

Definition at line 833 of file RelAlgDag.cpp.

References CHECK_LE, g_enable_union, RelAlgNode::inputs_, and is_all_.

     : RelAlgNode(std::move(inputs)), is_all_(is_all) {
   if (!g_enable_union) {
     throw QueryNotSupported(
         "The DEPRECATED enable-union option is set to off. Please remove this option as "
         "it may be disabled in the future.");
   }
   CHECK_LE(2u, inputs_.size());
   if (!is_all_) {
     throw QueryNotSupported("UNION without ALL is not supported yet.");
   }
 }

Member Function Documentation

RexScalar const * RelLogicalUnion::copyAndRedirectSource	(	RexScalar const *	rex_scalar,
		size_t	input_idx
	)		const

Definition at line 944 of file RelAlgDag.cpp.

References RelAlgNode::getInput(), scalar_exprs_, and RexInput::setSourceNode().

                                                                                 {
   if (auto const* rex_input_ptr = dynamic_cast<RexInput const*>(rex_scalar)) {
     RexInput rex_input(*rex_input_ptr);
     rex_input.setSourceNode(getInput(input_idx));
     scalar_exprs_.emplace_back(std::make_shared<RexInput const>(std::move(rex_input)));
     return scalar_exprs_.back().get();
   }
   return rex_scalar;
 }

Here is the call graph for this function:

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

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2467 of file RelAlgDag.h.

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

std::vector< TargetMetaInfo > RelLogicalUnion::getCompatibleMetainfoTypes ( ) const

Definition at line 911 of file RelAlgDag.cpp.

References SQLTypeInfo::get_notnull(), anonymous_namespace{RelAlgDag.cpp}::get_notnulls(), logger::INFO, RelAlgNode::inputs_, SQLTypeInfo::is_dict_encoded_string(), LOG, anonymous_namespace{RelAlgDag.cpp}::same_ignoring_notnull(), anonymous_namespace{RelAlgDag.cpp}::set_notnulls(), and SQLTypeInfo::to_string().

Referenced by RelAlgExecutor::executeUnion().

                                                                             {
   std::vector<TargetMetaInfo> tmis0 = inputs_[0]->getOutputMetainfo();
   std::vector<bool> notnulls = get_notnulls(tmis0);
   for (size_t i = 1; i < inputs_.size(); ++i) {
     std::vector<TargetMetaInfo> const& tmisi = inputs_[i]->getOutputMetainfo();
     if (tmis0.size() != tmisi.size()) {
       LOG(INFO) << "tmis0.size()=" << tmis0.size() << " != " << tmisi.size()
                 << "=tmisi.size() for i=" << i;
       throw std::runtime_error("Subqueries of a UNION must have matching data types.");
     }
     for (size_t j = 0; j < tmis0.size(); ++j) {
       SQLTypeInfo const& ti0 = tmis0[j].get_type_info();
       SQLTypeInfo const& ti1 = tmisi[j].get_type_info();
       // Allow types of different nullability to be UNIONed.
       if (!same_ignoring_notnull(ti0, ti1)) {
         LOG(INFO) << "Types do not match for UNION:\n  tmis0[" << j
                   << "].get_type_info().to_string() = " << ti0.to_string() << "\n  tmis"
                   << i << '[' << j
                   << "].get_type_info().to_string() = " << ti1.to_string();
         // The only permitted difference is when both columns are dictionary-encoded.
         if (!(ti0.is_dict_encoded_string() && ti1.is_dict_encoded_string())) {
           throw std::runtime_error(
               "Subqueries of a UNION must have the exact same data types.");
         }
       }
       notnulls[j] = notnulls[j] && ti1.get_notnull();
     }
   }
   set_notnulls(&tmis0, notnulls);  // Set each SQLTypeInfo::notnull to compatible values.
   return tmis0;
 }

Here is the call graph for this function:

Here is the caller graph for this function:

std::string RelLogicalUnion::getFieldName ( const size_t i ) const

Definition at line 862 of file RelAlgDag.cpp.

References RelAlgNode::inputs_, toString(), and UNREACHABLE.

                                                             {
   if (auto const* input = dynamic_cast<RelCompound const*>(inputs_[0].get())) {
     return input->getFieldName(i);
   } else if (auto const* input = dynamic_cast<RelProject const*>(inputs_[0].get())) {
     return input->getFieldName(i);
   } else if (auto const* input = dynamic_cast<RelLogicalUnion const*>(inputs_[0].get())) {
     return input->getFieldName(i);
   } else if (auto const* input = dynamic_cast<RelAggregate const*>(inputs_[0].get())) {
     return input->getFieldName(i);
   } else if (auto const* input = dynamic_cast<RelScan const*>(inputs_[0].get())) {
     return input->getFieldName(i);
   } else if (auto const* input =
                  dynamic_cast<RelTableFunction const*>(inputs_[0].get())) {
     return input->getFieldName(i);
   }
   UNREACHABLE() << "Unhandled input type: " << ::toString(inputs_.front());
   return {};
 }

Here is the call graph for this function:

bool RelLogicalUnion::isAll ( ) const

inline

Definition at line 2477 of file RelAlgDag.h.

References is_all_.

Referenced by RelAlgExecutor::createUnionWorkUnit(), and RelAlgExecutor::executeUnion().

2477 { return is_all_; }

RelLogicalUnion::is_all_

bool is_all_

Definition: RelAlgDag.h:2486

Here is the caller graph for this function:

size_t RelLogicalUnion::size ( ) const

overridevirtual

Implements RelAlgNode.

Definition at line 846 of file RelAlgDag.cpp.

References RelAlgNode::inputs_.

                                    {
   return inputs_.front()->size();
 }

size_t RelLogicalUnion::toHash ( ) const

overridevirtual

Implements RelAlgNode.

Definition at line 854 of file RelAlgDag.cpp.

References RelAlgNode::hash_, is_all_, and RelLogicalUnion().

                                      {
   if (!hash_) {
     hash_ = typeid(RelLogicalUnion).hash_code();
     boost::hash_combine(*hash_, is_all_);
   }
   return *hash_;
 }

Here is the call graph for this function:

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

overridevirtual

Implements RelAlgNode.

Definition at line 850 of file RelAlgDag.cpp.

References cat(), is_all_, and typeName().

Referenced by getFieldName().

                                                                      {
   return cat(::typeName(this), "(is_all(", is_all_, "))");
 }

Here is the call graph for this function:

Here is the caller graph for this function:

Friends And Related Function Documentation

friend struct RelAlgDagSerializer

friend

Definition at line 2488 of file RelAlgDag.h.

Member Data Documentation

bool RelLogicalUnion::is_all_

private

Definition at line 2486 of file RelAlgDag.h.

Referenced by isAll(), RelLogicalUnion(), toHash(), and toString().

std::vector<std::shared_ptr<const RexScalar> > RelLogicalUnion::scalar_exprs_

mutable

Definition at line 2483 of file RelAlgDag.h.

Referenced by copyAndRedirectSource().

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

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

Public Member Functions

Public Attributes

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation