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Analyzer::Estimator Class Referenceabstract

#include <CardinalityEstimator.h>

+ Inheritance diagram for Analyzer::Estimator:
+ Collaboration diagram for Analyzer::Estimator:

Public Member Functions

 Estimator ()
 
virtual const std::list
< std::shared_ptr
< Analyzer::Expr > > & 
getArgument () const =0
 
virtual size_t getBufferSize () const =0
 
virtual std::string getRuntimeFunctionName () const =0
 
std::shared_ptr< Analyzer::Exprdeep_copy () const override
 
bool operator== (const Expr &rhs) const override
 
std::string toString () const override
 
- Public Member Functions inherited from Analyzer::Expr
 Expr (SQLTypes t, bool notnull)
 
 Expr (SQLTypes t, int d, bool notnull)
 
 Expr (SQLTypes t, int d, int s, bool notnull)
 
 Expr (const SQLTypeInfo &ti, bool has_agg=false)
 
virtual ~Expr ()
 
std::shared_ptr< Analyzer::Exprget_shared_ptr ()
 
const SQLTypeInfoget_type_info () const
 
void set_type_info (const SQLTypeInfo &ti)
 
bool get_contains_agg () const
 
void set_contains_agg (bool a)
 
virtual std::shared_ptr
< Analyzer::Expr
add_cast (const SQLTypeInfo &new_type_info)
 
virtual void check_group_by (const std::list< std::shared_ptr< Analyzer::Expr >> &groupby) const
 
virtual std::shared_ptr
< Analyzer::Expr
normalize_simple_predicate (int &rte_idx) const
 
virtual void group_predicates (std::list< const Expr * > &scan_predicates, std::list< const Expr * > &join_predicates, std::list< const Expr * > &const_predicates) const
 
virtual void collect_rte_idx (std::set< int > &rte_idx_set) const
 
virtual void collect_column_var (std::set< const ColumnVar *, bool(*)(const ColumnVar *, const ColumnVar *)> &colvar_set, bool include_agg) const
 
virtual size_t get_num_column_vars (const bool include_agg) const
 
virtual std::shared_ptr
< Analyzer::Expr
rewrite_with_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const
 
virtual std::shared_ptr
< Analyzer::Expr
rewrite_with_child_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const
 
virtual std::shared_ptr
< Analyzer::Expr
rewrite_agg_to_var (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const
 
virtual void print () const
 
virtual void add_unique (std::list< const Expr * > &expr_list) const
 
virtual void find_expr (bool(*f)(const Expr *), std::list< const Expr * > &expr_list) const
 
std::shared_ptr< Analyzer::Exprdecompress ()
 
virtual void get_domain (DomainSet &domain_set) const
 

Additional Inherited Members

- Protected Attributes inherited from Analyzer::Expr
SQLTypeInfo type_info
 
bool contains_agg
 

Detailed Description

Definition at line 49 of file CardinalityEstimator.h.

Constructor & Destructor Documentation

Analyzer::Estimator::Estimator ( )
inline

Definition at line 51 of file CardinalityEstimator.h.

51 : Expr(SQLTypeInfo(kINT, true)){};
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:73
Definition: sqltypes.h:60

Member Function Documentation

std::shared_ptr<Analyzer::Expr> Analyzer::Estimator::deep_copy ( ) const
inlineoverridevirtual

Implements Analyzer::Expr.

Definition at line 67 of file CardinalityEstimator.h.

References CHECK.

67  {
68  CHECK(false);
69  return nullptr;
70  }
#define CHECK(condition)
Definition: Logger.h:222
virtual const std::list<std::shared_ptr<Analyzer::Expr> >& Analyzer::Estimator::getArgument ( ) const
pure virtual

Implemented in Analyzer::NDVEstimator.

virtual size_t Analyzer::Estimator::getBufferSize ( ) const
pure virtual
virtual std::string Analyzer::Estimator::getRuntimeFunctionName ( ) const
pure virtual

Implemented in Analyzer::NDVEstimator.

bool Analyzer::Estimator::operator== ( const Expr rhs) const
inlineoverridevirtual

Implements Analyzer::Expr.

Definition at line 72 of file CardinalityEstimator.h.

References CHECK.

72  {
73  CHECK(false);
74  return false;
75  }
#define CHECK(condition)
Definition: Logger.h:222
std::string Analyzer::Estimator::toString ( ) const
inlineoverridevirtual

Implements Analyzer::Expr.

Definition at line 77 of file CardinalityEstimator.h.

References CHECK.

77  {
78  CHECK(false);
79  return "";
80  }
#define CHECK(condition)
Definition: Logger.h:222

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