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Analyzer::ExtractExpr Class Reference

#include <Analyzer.h>

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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 size_t get_num_column_vars (const bool include_agg) 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 1297 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 1299 of file Analyzer.h.

1303  : Expr(ti, has_agg), field_(f), from_expr_(e) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:73
constexpr double f
Definition: Utm.h:31
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
ExtractField field_
Definition: Analyzer.h:1330

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 3392 of file Analyzer.cpp.

References from_expr_.

3393  {
3394  from_expr_->check_group_by(groupby);
3395 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
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 3329 of file Analyzer.cpp.

References from_expr_.

3331  {
3332  from_expr_->collect_column_var(colvar_set, include_agg);
3333 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
void ExtractExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 3279 of file Analyzer.cpp.

References from_expr_.

3279  {
3280  from_expr_->collect_rte_idx(rte_idx_set);
3281 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
std::shared_ptr< Analyzer::Expr > ExtractExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 194 of file Analyzer.cpp.

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

194  {
195  return makeExpr<ExtractExpr>(type_info, contains_agg, field_, from_expr_->deep_copy());
196 }
SQLTypeInfo type_info
Definition: Analyzer.h:183
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
ExtractField field_
Definition: Analyzer.h:1330
bool contains_agg
Definition: Analyzer.h:184
void ExtractExpr::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 3231 of file Analyzer.cpp.

References Analyzer::Expr::add_unique(), anonymous_namespace{Utm.h}::f, and from_expr_.

3232  {
3233  if (f(this)) {
3234  add_unique(expr_list);
3235  return;
3236  }
3237  from_expr_->find_expr(f, expr_list);
3238 }
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:3073
constexpr double f
Definition: Utm.h:31
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331

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

Definition at line 1304 of file Analyzer.h.

References field_.

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

1304 { return field_; }
ExtractField field_
Definition: Analyzer.h:1330

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

Definition at line 1305 of file Analyzer.h.

References from_expr_.

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

1305 { return from_expr_.get(); }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331

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

Definition at line 1306 of file Analyzer.h.

References from_expr_.

1306 { return from_expr_; }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
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 1814 of file Analyzer.cpp.

References from_expr_.

1816  {
1817  std::set<int> rte_idx_set;
1818  from_expr_->collect_rte_idx(rte_idx_set);
1819  if (rte_idx_set.size() > 1) {
1820  join_predicates.push_back(this);
1821  } else if (rte_idx_set.size() == 1) {
1822  scan_predicates.push_back(this);
1823  } else {
1824  const_predicates.push_back(this);
1825  }
1826 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
bool ExtractExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2468 of file Analyzer.cpp.

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

2468  {
2469  if (typeid(rhs) != typeid(ExtractExpr)) {
2470  return false;
2471  }
2472  const ExtractExpr& rhs_ee = dynamic_cast<const ExtractExpr&>(rhs);
2473  return field_ == rhs_ee.get_field() && *from_expr_ == *rhs_ee.get_from_expr();
2474 }
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
ExtractField field_
Definition: Analyzer.h:1330

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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 2145 of file Analyzer.cpp.

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

2146  {
2147  return makeExpr<ExtractExpr>(
2148  type_info, contains_agg, field_, from_expr_->rewrite_agg_to_var(tlist));
2149 }
SQLTypeInfo type_info
Definition: Analyzer.h:183
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
ExtractField field_
Definition: Analyzer.h:1330
bool contains_agg
Definition: Analyzer.h:184
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 2103 of file Analyzer.cpp.

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

2104  {
2105  return makeExpr<ExtractExpr>(
2106  type_info, contains_agg, field_, from_expr_->rewrite_with_child_targetlist(tlist));
2107 }
SQLTypeInfo type_info
Definition: Analyzer.h:183
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
ExtractField field_
Definition: Analyzer.h:1330
bool contains_agg
Definition: Analyzer.h:184
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 2060 of file Analyzer.cpp.

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

2061  {
2062  return makeExpr<ExtractExpr>(
2063  type_info, contains_agg, field_, from_expr_->rewrite_with_targetlist(tlist));
2064 }
SQLTypeInfo type_info
Definition: Analyzer.h:183
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
ExtractField field_
Definition: Analyzer.h:1330
bool contains_agg
Definition: Analyzer.h:184
std::string ExtractExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2915 of file Analyzer.cpp.

References field_, from_expr_, and to_string().

2915  {
2916  return "EXTRACT(" + std::to_string(field_) + " FROM " + from_expr_->toString() + ") ";
2917 }
std::string to_string(char const *&&v)
std::shared_ptr< Analyzer::Expr > from_expr_
Definition: Analyzer.h:1331
ExtractField field_
Definition: Analyzer.h:1330

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Member Data Documentation

ExtractField Analyzer::ExtractExpr::field_
private

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