OmniSciDB  b24e664e58
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
Analyzer::ExtractExpr Class Reference

#include <Analyzer.h>

+ Inheritance diagram for Analyzer::ExtractExpr:
+ Collaboration diagram for Analyzer::ExtractExpr:

Public Member Functions

 ExtractExpr (const SQLTypeInfo &ti, bool has_agg, ExtractField f, std::shared_ptr< Analyzer::Expr > e)
 
ExtractField get_field () const
 
const Exprget_from_expr () const
 
const std::shared_ptr
< Analyzer::Expr
get_own_from_expr () const
 
std::shared_ptr< Analyzer::Exprdeep_copy () const override
 
void check_group_by (const std::list< std::shared_ptr< Analyzer::Expr >> &groupby) const override
 
void group_predicates (std::list< const Expr * > &scan_predicates, std::list< const Expr * > &join_predicates, std::list< const Expr * > &const_predicates) const override
 
void collect_rte_idx (std::set< int > &rte_idx_set) const override
 
void collect_column_var (std::set< const ColumnVar *, bool(*)(const ColumnVar *, const ColumnVar *)> &colvar_set, bool include_agg) const override
 
std::shared_ptr< Analyzer::Exprrewrite_with_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
 
std::shared_ptr< Analyzer::Exprrewrite_with_child_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
 
std::shared_ptr< Analyzer::Exprrewrite_agg_to_var (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
 
bool operator== (const Expr &rhs) const override
 
std::string toString () const override
 
void find_expr (bool(*f)(const Expr *), std::list< const Expr * > &expr_list) 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 std::shared_ptr
< Analyzer::Expr
normalize_simple_predicate (int &rte_idx) const
 
virtual void print () const
 
virtual void add_unique (std::list< const Expr * > &expr_list) const
 
std::shared_ptr< Analyzer::Exprdecompress ()
 
virtual void get_domain (DomainSet &domain_set) const
 

Private Attributes

ExtractField field_
 
std::shared_ptr< Analyzer::Exprfrom_expr_
 

Additional Inherited Members

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

Detailed Description

Definition at line 1138 of file Analyzer.h.

Constructor & Destructor Documentation

Analyzer::ExtractExpr::ExtractExpr ( const SQLTypeInfo ti,
bool  has_agg,
ExtractField  f,
std::shared_ptr< Analyzer::Expr e 
)
inline

Definition at line 1140 of file Analyzer.h.

1144  : Expr(ti, has_agg), field_(f), from_expr_(e) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:69
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
ExtractField field_
Definition: Analyzer.h:1171

Member Function Documentation

void ExtractExpr::check_group_by ( const std::list< std::shared_ptr< Analyzer::Expr >> &  groupby) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2889 of file Analyzer.cpp.

References from_expr_.

2890  {
2891  from_expr_->check_group_by(groupby);
2892 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
void ExtractExpr::collect_column_var ( std::set< const ColumnVar *, bool(*)(const ColumnVar *, const ColumnVar *)> &  colvar_set,
bool  include_agg 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2852 of file Analyzer.cpp.

References from_expr_.

2854  {
2855  from_expr_->collect_column_var(colvar_set, include_agg);
2856 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
void ExtractExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2822 of file Analyzer.cpp.

References from_expr_.

2822  {
2823  from_expr_->collect_rte_idx(rte_idx_set);
2824 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
std::shared_ptr< Analyzer::Expr > ExtractExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 175 of file Analyzer.cpp.

References Analyzer::Expr::contains_agg, field_, from_expr_, and Analyzer::Expr::type_info.

175  {
176  return makeExpr<ExtractExpr>(type_info, contains_agg, field_, from_expr_->deep_copy());
177 }
SQLTypeInfo type_info
Definition: Analyzer.h:176
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
ExtractField field_
Definition: Analyzer.h:1171
bool contains_agg
Definition: Analyzer.h:177
void ExtractExpr::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2774 of file Analyzer.cpp.

References Analyzer::Expr::add_unique(), and from_expr_.

2775  {
2776  if (f(this)) {
2777  add_unique(expr_list);
2778  return;
2779  }
2780  from_expr_->find_expr(f, expr_list);
2781 }
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:2639
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172

+ Here is the call graph for this function:

ExtractField Analyzer::ExtractExpr::get_field ( ) const
inline

Definition at line 1145 of file Analyzer.h.

References field_.

Referenced by CodeGenerator::codegen(), getExpressionRange(), operator==(), and DeepCopyVisitor::visitExtractExpr().

1145 { return field_; }
ExtractField field_
Definition: Analyzer.h:1171

+ Here is the caller graph for this function:

const Expr* Analyzer::ExtractExpr::get_from_expr ( ) const
inline

Definition at line 1146 of file Analyzer.h.

References from_expr_.

Referenced by CodeGenerator::codegen(), getExpressionRange(), operator==(), DeepCopyVisitor::visitExtractExpr(), and ScalarExprVisitor< std::unordered_set< InputColDescriptor > >::visitExtractExpr().

1146 { return from_expr_.get(); }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172

+ Here is the caller graph for this function:

const std::shared_ptr<Analyzer::Expr> Analyzer::ExtractExpr::get_own_from_expr ( ) const
inline

Definition at line 1147 of file Analyzer.h.

References from_expr_.

1147 { return from_expr_; }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
void ExtractExpr::group_predicates ( std::list< const Expr * > &  scan_predicates,
std::list< const Expr * > &  join_predicates,
std::list< const Expr * > &  const_predicates 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1611 of file Analyzer.cpp.

References from_expr_.

1613  {
1614  std::set<int> rte_idx_set;
1615  from_expr_->collect_rte_idx(rte_idx_set);
1616  if (rte_idx_set.size() > 1) {
1617  join_predicates.push_back(this);
1618  } else if (rte_idx_set.size() == 1) {
1619  scan_predicates.push_back(this);
1620  } else {
1621  const_predicates.push_back(this);
1622  }
1623 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
bool ExtractExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2202 of file Analyzer.cpp.

References field_, from_expr_, get_field(), and get_from_expr().

2202  {
2203  if (typeid(rhs) != typeid(ExtractExpr)) {
2204  return false;
2205  }
2206  const ExtractExpr& rhs_ee = dynamic_cast<const ExtractExpr&>(rhs);
2207  return field_ == rhs_ee.get_field() && *from_expr_ == *rhs_ee.get_from_expr();
2208 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
ExtractField field_
Definition: Analyzer.h:1171

+ Here is the call graph for this function:

std::shared_ptr< Analyzer::Expr > ExtractExpr::rewrite_agg_to_var ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1915 of file Analyzer.cpp.

References Analyzer::Expr::contains_agg, field_, from_expr_, and Analyzer::Expr::type_info.

1916  {
1917  return makeExpr<ExtractExpr>(
1918  type_info, contains_agg, field_, from_expr_->rewrite_agg_to_var(tlist));
1919 }
SQLTypeInfo type_info
Definition: Analyzer.h:176
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
ExtractField field_
Definition: Analyzer.h:1171
bool contains_agg
Definition: Analyzer.h:177
std::shared_ptr< Analyzer::Expr > ExtractExpr::rewrite_with_child_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1873 of file Analyzer.cpp.

References Analyzer::Expr::contains_agg, field_, from_expr_, and Analyzer::Expr::type_info.

1874  {
1875  return makeExpr<ExtractExpr>(
1876  type_info, contains_agg, field_, from_expr_->rewrite_with_child_targetlist(tlist));
1877 }
SQLTypeInfo type_info
Definition: Analyzer.h:176
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
ExtractField field_
Definition: Analyzer.h:1171
bool contains_agg
Definition: Analyzer.h:177
std::shared_ptr< Analyzer::Expr > ExtractExpr::rewrite_with_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1830 of file Analyzer.cpp.

References Analyzer::Expr::contains_agg, field_, from_expr_, and Analyzer::Expr::type_info.

1831  {
1832  return makeExpr<ExtractExpr>(
1833  type_info, contains_agg, field_, from_expr_->rewrite_with_targetlist(tlist));
1834 }
SQLTypeInfo type_info
Definition: Analyzer.h:176
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
ExtractField field_
Definition: Analyzer.h:1171
bool contains_agg
Definition: Analyzer.h:177
std::string ExtractExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2563 of file Analyzer.cpp.

References field_, from_expr_, and to_string().

2563  {
2564  return "EXTRACT(" + std::to_string(field_) + " FROM " + from_expr_->toString() + ") ";
2565 }
std::string to_string(char const *&&v)
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1172
ExtractField field_
Definition: Analyzer.h:1171

+ Here is the call graph for this function:

Member Data Documentation

ExtractField Analyzer::ExtractExpr::field_
private

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