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RelCompound Class Reference

#include <RelAlgDagBuilder.h>

+ Inheritance diagram for RelCompound:
+ Collaboration diagram for RelCompound:

Public Member Functions

 RelCompound (std::unique_ptr< const RexScalar > &filter_expr, const std::vector< const Rex * > &target_exprs, const size_t groupby_count, const std::vector< const RexAgg * > &agg_exprs, const std::vector< std::string > &fields, std::vector< std::unique_ptr< const RexScalar >> &scalar_sources, const bool is_agg, bool update_disguised_as_select=false, bool delete_disguised_as_select=false, bool varlen_update_required=false, TableDescriptor const *manipulation_target_table=nullptr, ColumnNameList target_columns=ColumnNameList())
 
 RelCompound (RelCompound const &)
 
void replaceInput (std::shared_ptr< const RelAlgNode > old_input, std::shared_ptr< const RelAlgNode > input) override
 
size_t size () const override
 
const RexScalargetFilterExpr () const
 
void setFilterExpr (std::unique_ptr< const RexScalar > &new_expr)
 
const RexgetTargetExpr (const size_t i) const
 
const std::vector< std::string > & getFields () const
 
const std::string getFieldName (const size_t i) const
 
void setFields (std::vector< std::string > &&fields)
 
const size_t getScalarSourcesSize () const
 
const RexScalargetScalarSource (const size_t i) const
 
void setScalarSources (std::vector< std::unique_ptr< const RexScalar >> &new_sources)
 
const size_t getGroupByCount () const
 
bool isAggregate () const
 
size_t getAggExprSize () const
 
const RexAgggetAggExpr (size_t i) const
 
std::string toString (RelRexToStringConfig config=RelRexToStringConfig::defaults()) const override
 
size_t toHash () const override
 
std::shared_ptr< RelAlgNodedeepCopy () const override
 
void addHint (const ExplainedQueryHint &hint_explained)
 
const bool hasHintEnabled (QueryHint candidate_hint) const
 
const ExplainedQueryHintgetHintInfo (QueryHint hint) const
 
bool hasDeliveredHint ()
 
HintsgetDeliveredHints ()
 
- Public Member Functions inherited from RelAlgNode
 RelAlgNode (RelAlgInputs inputs={})
 
virtual ~RelAlgNode ()
 
void resetQueryExecutionState ()
 
void setContextData (const RaExecutionDesc *context_data) const
 
void setOutputMetainfo (const 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 RaExecutionDescgetContextData () const
 
const size_t inputCount () const
 
const RelAlgNodegetInput (const size_t idx) const
 
std::shared_ptr< const RelAlgNodegetAndOwnInput (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 ModifyManipulationTarget
 ModifyManipulationTarget (bool const update_via_select=false, bool const delete_via_select=false, bool const varlen_update_required=false, TableDescriptor const *table_descriptor=nullptr, ColumnNameList target_columns=ColumnNameList())
 
void setUpdateViaSelectFlag () const
 
void setDeleteViaSelectFlag () const
 
void setVarlenUpdateRequired (bool required) const
 
void forceRowwiseOutput () const
 
TableDescriptor const * getModifiedTableDescriptor () const
 
void setModifiedTableDescriptor (TableDescriptor const *td) const
 
auto const isUpdateViaSelect () const
 
auto const isDeleteViaSelect () const
 
auto const isVarlenUpdateRequired () const
 
auto const isRowwiseOutputForced () const
 
void setTargetColumns (ColumnNameList const &target_columns) const
 
ColumnNameList const & getTargetColumns () const
 
template<typename VALIDATION_FUNCTOR >
bool validateTargetColumns (VALIDATION_FUNCTOR validator) const
 

Private Attributes

std::unique_ptr< const RexScalarfilter_expr_
 
const size_t groupby_count_
 
std::vector< std::unique_ptr
< const RexAgg > > 
agg_exprs_
 
std::vector< std::string > fields_
 
const bool is_agg_
 
std::vector< std::unique_ptr
< const RexScalar > > 
scalar_sources_
 
const std::vector< const Rex * > target_exprs_
 
bool hint_applied_
 
std::unique_ptr< Hintshints_
 

Additional Inherited Members

- Static Public Member Functions inherited from RelAlgNode
static void resetRelAlgFirstId () noexcept
 
- Protected Attributes inherited from RelAlgNode
RelAlgInputs inputs_
 
const unsigned id_
 
std::optional< size_t > id_in_plan_tree_
 
std::optional< size_t > hash_
 

Detailed Description

Definition at line 1616 of file RelAlgDagBuilder.h.

Constructor & Destructor Documentation

RelCompound::RelCompound ( std::unique_ptr< const RexScalar > &  filter_expr,
const std::vector< const Rex * > &  target_exprs,
const size_t  groupby_count,
const std::vector< const RexAgg * > &  agg_exprs,
const std::vector< std::string > &  fields,
std::vector< std::unique_ptr< const RexScalar >> &  scalar_sources,
const bool  is_agg,
bool  update_disguised_as_select = false,
bool  delete_disguised_as_select = false,
bool  varlen_update_required = false,
TableDescriptor const *  manipulation_target_table = nullptr,
ColumnNameList  target_columns = ColumnNameList() 
)
inline

Definition at line 1621 of file RelAlgDagBuilder.h.

References agg_exprs_, and CHECK_EQ.

Referenced by toHash().

1633  : ModifyManipulationTarget(update_disguised_as_select,
1634  delete_disguised_as_select,
1635  varlen_update_required,
1636  manipulation_target_table,
1637  target_columns)
1638  , filter_expr_(std::move(filter_expr))
1639  , groupby_count_(groupby_count)
1640  , fields_(fields)
1641  , is_agg_(is_agg)
1642  , scalar_sources_(std::move(scalar_sources))
1643  , target_exprs_(target_exprs)
1644  , hint_applied_(false)
1645  , hints_(std::make_unique<Hints>()) {
1646  CHECK_EQ(fields.size(), target_exprs.size());
1647  for (auto agg_expr : agg_exprs) {
1648  agg_exprs_.emplace_back(agg_expr);
1649  }
1650  }
bool is_agg(const Analyzer::Expr *expr)
#define CHECK_EQ(x, y)
Definition: Logger.h:231
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_
std::vector< std::string > fields_
const size_t groupby_count_
std::unique_ptr< Hints > hints_
const std::vector< const Rex * > target_exprs_
std::vector< std::unique_ptr< const RexAgg > > agg_exprs_
std::unique_ptr< const RexScalar > filter_expr_
ModifyManipulationTarget(bool const update_via_select=false, bool const delete_via_select=false, bool const varlen_update_required=false, TableDescriptor const *table_descriptor=nullptr, ColumnNameList target_columns=ColumnNameList())
const bool is_agg_

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RelCompound::RelCompound ( RelCompound const &  rhs)

Definition at line 661 of file RelAlgDagBuilder.cpp.

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

662  : RelAlgNode(rhs)
664  , groupby_count_(rhs.groupby_count_)
665  , agg_exprs_(copyAggExprs(rhs.agg_exprs_))
666  , fields_(rhs.fields_)
667  , is_agg_(rhs.is_agg_)
668  , scalar_sources_(copyRexScalars(rhs.scalar_sources_))
671  rhs.agg_exprs_,
672  rhs.scalar_sources_,
673  rhs.target_exprs_))
674  , hint_applied_(false)
675  , hints_(std::make_unique<Hints>()) {
676  RexDeepCopyVisitor copier;
677  filter_expr_ = rhs.filter_expr_ ? copier.visit(rhs.filter_expr_.get()) : nullptr;
678  if (rhs.hint_applied_) {
679  for (auto const& kv : *rhs.hints_) {
680  addHint(kv.second);
681  }
682  }
683 }
std::vector< const Rex * > remapTargetPointers(std::vector< std::unique_ptr< const RexAgg >> const &agg_exprs_new, std::vector< std::unique_ptr< const RexScalar >> const &scalar_sources_new, std::vector< std::unique_ptr< const RexAgg >> const &agg_exprs_old, std::vector< std::unique_ptr< const RexScalar >> const &scalar_sources_old, std::vector< const Rex * > const &target_exprs_old)
RelAlgNode(RelAlgInputs inputs={})
void addHint(const ExplainedQueryHint &hint_explained)
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_
virtual T visit(const RexScalar *rex_scalar) const
Definition: RexVisitor.h:27
std::vector< std::string > fields_
const size_t groupby_count_
std::vector< std::unique_ptr< const RexAgg > > copyAggExprs(std::vector< std::unique_ptr< const RexAgg >> const &agg_exprs)
std::unique_ptr< Hints > hints_
const std::vector< const Rex * > target_exprs_
std::vector< std::unique_ptr< const RexAgg > > agg_exprs_
std::unique_ptr< const RexScalar > filter_expr_
ModifyManipulationTarget(bool const update_via_select=false, bool const delete_via_select=false, bool const varlen_update_required=false, TableDescriptor const *table_descriptor=nullptr, ColumnNameList target_columns=ColumnNameList())
std::vector< std::unique_ptr< const RexScalar > > copyRexScalars(std::vector< std::unique_ptr< const RexScalar >> const &scalar_sources)
const bool is_agg_

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Member Function Documentation

void RelCompound::addHint ( const ExplainedQueryHint hint_explained)
inline

Definition at line 1701 of file RelAlgDagBuilder.h.

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

Referenced by RelCompound().

1701  {
1702  if (!hint_applied_) {
1703  hint_applied_ = true;
1704  }
1705  hints_->emplace(hint_explained.getHint(), hint_explained);
1706  }
std::unique_ptr< Hints > hints_
const QueryHint getHint() const
Definition: QueryHint.h:121

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std::shared_ptr<RelAlgNode> RelCompound::deepCopy ( ) const
inlineoverridevirtual

Implements RelAlgNode.

Definition at line 1697 of file RelAlgDagBuilder.h.

1697  {
1698  return std::make_shared<RelCompound>(*this);
1699  }
const RexAgg* RelCompound::getAggExpr ( size_t  i) const
inline

Definition at line 1690 of file RelAlgDagBuilder.h.

References agg_exprs_.

1690 { return agg_exprs_[i].get(); }
std::vector< std::unique_ptr< const RexAgg > > agg_exprs_
size_t RelCompound::getAggExprSize ( ) const
inline

Definition at line 1688 of file RelAlgDagBuilder.h.

References agg_exprs_.

1688 { return agg_exprs_.size(); }
std::vector< std::unique_ptr< const RexAgg > > agg_exprs_
Hints* RelCompound::getDeliveredHints ( )
inline

Definition at line 1724 of file RelAlgDagBuilder.h.

References hints_.

Referenced by anonymous_namespace{RelAlgDagBuilder.cpp}::handle_query_hint().

1724 { return hints_.get(); }
std::unique_ptr< Hints > hints_

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const std::string RelCompound::getFieldName ( const size_t  i) const
inline

Definition at line 1669 of file RelAlgDagBuilder.h.

References fields_.

1669 { return fields_[i]; }
std::vector< std::string > fields_
const std::vector<std::string>& RelCompound::getFields ( ) const
inline

Definition at line 1667 of file RelAlgDagBuilder.h.

References fields_.

1667 { return fields_; }
std::vector< std::string > fields_
const RexScalar* RelCompound::getFilterExpr ( ) const
inline

Definition at line 1659 of file RelAlgDagBuilder.h.

References filter_expr_.

Referenced by anonymous_namespace{RelAlgExecutor.cpp}::get_used_inputs(), anonymous_namespace{RelAlgExecutor.cpp}::translate_quals(), RelRexDagVisitor::visit(), and anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor::visitCompound().

1659 { return filter_expr_.get(); }
std::unique_ptr< const RexScalar > filter_expr_

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const size_t RelCompound::getGroupByCount ( ) const
inline

Definition at line 1684 of file RelAlgDagBuilder.h.

References groupby_count_.

Referenced by anonymous_namespace{RelAlgExecutor.cpp}::translate_groupby_exprs().

1684 { return groupby_count_; }
const size_t groupby_count_

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const ExplainedQueryHint& RelCompound::getHintInfo ( QueryHint  hint) const
inline

Definition at line 1715 of file RelAlgDagBuilder.h.

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

1715  {
1717  CHECK(!hints_->empty());
1718  CHECK(hasHintEnabled(hint));
1719  return hints_->at(hint);
1720  }
std::unique_ptr< Hints > hints_
#define CHECK(condition)
Definition: Logger.h:223
const bool hasHintEnabled(QueryHint candidate_hint) const

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const RexScalar* RelCompound::getScalarSource ( const size_t  i) const
inline

Definition at line 1675 of file RelAlgDagBuilder.h.

References scalar_sources_.

Referenced by anonymous_namespace{RelAlgExecutor.cpp}::get_used_inputs(), anonymous_namespace{RelAlgExecutor.cpp}::scalar_at(), RelRexDagVisitor::visit(), and anonymous_namespace{QueryPhysicalInputsCollector.cpp}::RelAlgPhysicalInputsVisitor::visitCompound().

1675  {
1676  return scalar_sources_[i].get();
1677  }
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_

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const size_t RelCompound::getScalarSourcesSize ( ) const
inline

Definition at line 1673 of file RelAlgDagBuilder.h.

References scalar_sources_.

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

1673 { return scalar_sources_.size(); }
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_

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const Rex* RelCompound::getTargetExpr ( const size_t  i) const
inline

Definition at line 1665 of file RelAlgDagBuilder.h.

References target_exprs_.

Referenced by anonymous_namespace{RelAlgExecutor.cpp}::translate_targets(), and QueryPlanDagChecker::visit().

1665 { return target_exprs_[i]; }
const std::vector< const Rex * > target_exprs_

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bool RelCompound::hasDeliveredHint ( )
inline

Definition at line 1722 of file RelAlgDagBuilder.h.

References hints_.

1722 { return !hints_->empty(); }
std::unique_ptr< Hints > hints_
const bool RelCompound::hasHintEnabled ( QueryHint  candidate_hint) const
inline

Definition at line 1708 of file RelAlgDagBuilder.h.

References hint_applied_, and hints_.

Referenced by getHintInfo().

1708  {
1709  if (hint_applied_ && !hints_->empty()) {
1710  return hints_->find(candidate_hint) != hints_->end();
1711  }
1712  return false;
1713  }
std::unique_ptr< Hints > hints_

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bool RelCompound::isAggregate ( ) const
inline

Definition at line 1686 of file RelAlgDagBuilder.h.

References is_agg_.

Referenced by RelAlgExecutor::executeCompound(), anonymous_namespace{RelAlgExecutor.cpp}::translate_groupby_exprs(), and QueryPlanDagChecker::visit().

1686 { return is_agg_; }
const bool is_agg_

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void RelCompound::replaceInput ( std::shared_ptr< const RelAlgNode old_input,
std::shared_ptr< const RelAlgNode input 
)
overridevirtual

Reimplemented from RelAlgNode.

Definition at line 544 of file RelAlgDagBuilder.cpp.

References filter_expr_, RelAlgNode::replaceInput(), and scalar_sources_.

545  {
546  RelAlgNode::replaceInput(old_input, input);
547  RexRebindInputsVisitor rebind_inputs(old_input.get(), input.get());
548  for (const auto& scalar_source : scalar_sources_) {
549  rebind_inputs.visit(scalar_source.get());
550  }
551  if (filter_expr_) {
552  rebind_inputs.visit(filter_expr_.get());
553  }
554 }
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_
virtual void replaceInput(std::shared_ptr< const RelAlgNode > old_input, std::shared_ptr< const RelAlgNode > input)
std::unique_ptr< const RexScalar > filter_expr_

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

Definition at line 1671 of file RelAlgDagBuilder.h.

References fields_.

1671 { fields_ = std::move(fields); }
std::vector< std::string > fields_
void RelCompound::setFilterExpr ( std::unique_ptr< const RexScalar > &  new_expr)
inline

Definition at line 1661 of file RelAlgDagBuilder.h.

References filter_expr_.

1661  {
1662  filter_expr_ = std::move(new_expr);
1663  }
std::unique_ptr< const RexScalar > filter_expr_
void RelCompound::setScalarSources ( std::vector< std::unique_ptr< const RexScalar >> &  new_sources)
inline

Definition at line 1679 of file RelAlgDagBuilder.h.

References CHECK_EQ, and scalar_sources_.

1679  {
1680  CHECK_EQ(new_sources.size(), scalar_sources_.size());
1681  scalar_sources_ = std::move(new_sources);
1682  }
#define CHECK_EQ(x, y)
Definition: Logger.h:231
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_
size_t RelCompound::size ( ) const
inlineoverridevirtual

Implements RelAlgNode.

Definition at line 1657 of file RelAlgDagBuilder.h.

References target_exprs_.

Referenced by RelAlgExecutor::createCompoundWorkUnit(), anonymous_namespace{RelAlgExecutor.cpp}::translate_targets(), and QueryPlanDagChecker::visit().

1657 { return target_exprs_.size(); }
const std::vector< const Rex * > target_exprs_

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size_t RelCompound::toHash ( ) const
overridevirtual

Implements RelAlgNode.

Definition at line 3264 of file RelAlgDagBuilder.cpp.

References agg_exprs_, fields_, filter_expr_, groupby_count_, RelAlgNode::hash_, HASH_N, is_agg_, RelCompound(), scalar_sources_, target_exprs_, and toString().

3264  {
3265  if (!hash_) {
3266  hash_ = typeid(RelCompound).hash_code();
3267  boost::hash_combine(*hash_, filter_expr_ ? filter_expr_->toHash() : HASH_N);
3268  boost::hash_combine(*hash_, is_agg_);
3269  for (auto& target_expr : target_exprs_) {
3270  if (auto rex_scalar = dynamic_cast<const RexScalar*>(target_expr)) {
3271  boost::hash_combine(*hash_, rex_scalar->toHash());
3272  }
3273  }
3274  for (auto& agg_expr : agg_exprs_) {
3275  boost::hash_combine(*hash_, agg_expr->toHash());
3276  }
3277  for (auto& scalar_source : scalar_sources_) {
3278  boost::hash_combine(*hash_, scalar_source->toHash());
3279  }
3280  boost::hash_combine(*hash_, groupby_count_);
3281  boost::hash_combine(*hash_, ::toString(fields_));
3282  }
3283  return *hash_;
3284 }
std::string toString(RelRexToStringConfig config=RelRexToStringConfig::defaults()) const override
RelCompound(std::unique_ptr< const RexScalar > &filter_expr, const std::vector< const Rex * > &target_exprs, const size_t groupby_count, const std::vector< const RexAgg * > &agg_exprs, const std::vector< std::string > &fields, std::vector< std::unique_ptr< const RexScalar >> &scalar_sources, const bool is_agg, bool update_disguised_as_select=false, bool delete_disguised_as_select=false, bool varlen_update_required=false, TableDescriptor const *manipulation_target_table=nullptr, ColumnNameList target_columns=ColumnNameList())
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_
std::vector< std::string > fields_
const size_t groupby_count_
std::optional< size_t > hash_
const std::vector< const Rex * > target_exprs_
std::vector< std::unique_ptr< const RexAgg > > agg_exprs_
std::unique_ptr< const RexScalar > filter_expr_
static auto const HASH_N
const bool is_agg_

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std::string RelCompound::toString ( RelRexToStringConfig  config = RelRexToStringConfig::defaults()) const
overridevirtual

Implements RelAlgNode.

Definition at line 3238 of file RelAlgDagBuilder.cpp.

References agg_exprs_, cat(), fields_, filter_expr_, groupby_count_, is_agg_, scalar_sources_, target_exprs_, to_string(), and typeName().

Referenced by toHash().

3238  {
3239  auto ret = cat(::typeName(this),
3240  ", filter_expr=",
3241  (filter_expr_ ? filter_expr_->toString(config) : "null"),
3242  ", target_exprs=");
3243  for (auto& expr : target_exprs_) {
3244  ret += expr->toString(config) + " ";
3245  }
3246  ret += ", agg_exps=";
3247  for (auto& expr : agg_exprs_) {
3248  ret += expr->toString(config) + " ";
3249  }
3250  ret += ", scalar_sources=";
3251  for (auto& expr : scalar_sources_) {
3252  ret += expr->toString(config) + " ";
3253  }
3254  return cat(ret,
3255  ", ",
3257  ", ",
3258  ", fields=",
3259  ::toString(fields_),
3260  ", is_agg=",
3262 }
std::string cat(Ts &&...args)
std::string toString(RelRexToStringConfig config=RelRexToStringConfig::defaults()) const override
std::vector< std::unique_ptr< const RexScalar > > scalar_sources_
std::string to_string(char const *&&v)
std::vector< std::string > fields_
const size_t groupby_count_
const std::vector< const Rex * > target_exprs_
std::vector< std::unique_ptr< const RexAgg > > agg_exprs_
std::unique_ptr< const RexScalar > filter_expr_
std::string typeName(const T *v)
Definition: toString.h:102
const bool is_agg_

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Member Data Documentation

std::vector<std::unique_ptr<const RexAgg> > RelCompound::agg_exprs_
private

Definition at line 1729 of file RelAlgDagBuilder.h.

Referenced by getAggExpr(), getAggExprSize(), RelCompound(), toHash(), and toString().

std::vector<std::string> RelCompound::fields_
private

Definition at line 1730 of file RelAlgDagBuilder.h.

Referenced by getFieldName(), getFields(), setFields(), toHash(), and toString().

std::unique_ptr<const RexScalar> RelCompound::filter_expr_
private
const size_t RelCompound::groupby_count_
private

Definition at line 1728 of file RelAlgDagBuilder.h.

Referenced by getGroupByCount(), toHash(), and toString().

bool RelCompound::hint_applied_
private

Definition at line 1736 of file RelAlgDagBuilder.h.

Referenced by addHint(), getHintInfo(), hasHintEnabled(), and RelCompound().

std::unique_ptr<Hints> RelCompound::hints_
private
const bool RelCompound::is_agg_
private

Definition at line 1731 of file RelAlgDagBuilder.h.

Referenced by isAggregate(), toHash(), and toString().

std::vector<std::unique_ptr<const RexScalar> > RelCompound::scalar_sources_
private
const std::vector<const Rex*> RelCompound::target_exprs_
private

Definition at line 1735 of file RelAlgDagBuilder.h.

Referenced by getTargetExpr(), size(), toHash(), and toString().


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