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Analyzer::CharLengthExpr Class Reference

#include <Analyzer.h>

+ Inheritance diagram for Analyzer::CharLengthExpr:
+ Collaboration diagram for Analyzer::CharLengthExpr:

Public Member Functions

 CharLengthExpr (std::shared_ptr< Analyzer::Expr > a, bool e)
 
const Exprget_arg () const
 
const std::shared_ptr
< Analyzer::Expr
get_own_arg () const
 
bool get_calc_encoded_length () const
 
std::shared_ptr< Analyzer::Exprdeep_copy () 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 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 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

std::shared_ptr< Analyzer::Exprarg
 
bool calc_encoded_length
 

Additional Inherited Members

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

Detailed Description

Definition at line 646 of file Analyzer.h.

Constructor & Destructor Documentation

Analyzer::CharLengthExpr::CharLengthExpr ( std::shared_ptr< Analyzer::Expr a,
bool  e 
)
inline

Definition at line 648 of file Analyzer.h.

649  : Expr(kINT, a->get_type_info().get_notnull()), arg(a), calc_encoded_length(e) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:69
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
Definition: sqltypes.h:48

Member Function Documentation

void Analyzer::CharLengthExpr::collect_column_var ( std::set< const ColumnVar *, bool(*)(const ColumnVar *, const ColumnVar *)> &  colvar_set,
bool  include_agg 
) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 660 of file Analyzer.h.

References arg.

663  {
664  arg->collect_column_var(colvar_set, include_agg);
665  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
void Analyzer::CharLengthExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 657 of file Analyzer.h.

References arg.

657  {
658  arg->collect_rte_idx(rte_idx_set);
659  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
std::shared_ptr< Analyzer::Expr > Analyzer::CharLengthExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 122 of file Analyzer.cpp.

References arg, and calc_encoded_length.

122  {
123  return makeExpr<CharLengthExpr>(arg->deep_copy(), calc_encoded_length);
124 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
void Analyzer::CharLengthExpr::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2678 of file Analyzer.cpp.

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

2679  {
2680  if (f(this)) {
2681  add_unique(expr_list);
2682  return;
2683  }
2684  arg->find_expr(f, expr_list);
2685 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:2639

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const Expr* Analyzer::CharLengthExpr::get_arg ( ) const
inline

Definition at line 650 of file Analyzer.h.

References arg.

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

650 { return arg.get(); }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686

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bool Analyzer::CharLengthExpr::get_calc_encoded_length ( ) const
inline

Definition at line 652 of file Analyzer.h.

References calc_encoded_length.

Referenced by operator==(), and DeepCopyVisitor::visitCharLength().

652 { return calc_encoded_length; }

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const std::shared_ptr<Analyzer::Expr> Analyzer::CharLengthExpr::get_own_arg ( ) const
inline

Definition at line 651 of file Analyzer.h.

References arg.

651 { return arg; }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
void Analyzer::CharLengthExpr::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 1479 of file Analyzer.cpp.

References arg.

1481  {
1482  std::set<int> rte_idx_set;
1483  arg->collect_rte_idx(rte_idx_set);
1484  if (rte_idx_set.size() > 1) {
1485  join_predicates.push_back(this);
1486  } else if (rte_idx_set.size() == 1) {
1487  scan_predicates.push_back(this);
1488  } else {
1489  const_predicates.push_back(this);
1490  }
1491 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
bool Analyzer::CharLengthExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2048 of file Analyzer.cpp.

References arg, calc_encoded_length, get_arg(), and get_calc_encoded_length().

2048  {
2049  if (typeid(rhs) != typeid(CharLengthExpr)) {
2050  return false;
2051  }
2052  const CharLengthExpr& rhs_cl = dynamic_cast<const CharLengthExpr&>(rhs);
2053  if (!(*arg == *rhs_cl.get_arg()) ||
2054  calc_encoded_length != rhs_cl.get_calc_encoded_length()) {
2055  return false;
2056  }
2057  return true;
2058 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
CharLengthExpr(std::shared_ptr< Analyzer::Expr > a, bool e)
Definition: Analyzer.h:648

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std::shared_ptr<Analyzer::Expr> Analyzer::CharLengthExpr::rewrite_agg_to_var ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 676 of file Analyzer.h.

References arg, and calc_encoded_length.

677  {
678  return makeExpr<CharLengthExpr>(arg->rewrite_agg_to_var(tlist), calc_encoded_length);
679  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
std::shared_ptr<Analyzer::Expr> Analyzer::CharLengthExpr::rewrite_with_child_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 671 of file Analyzer.h.

References arg, and calc_encoded_length.

672  {
673  return makeExpr<CharLengthExpr>(arg->rewrite_with_child_targetlist(tlist),
675  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
std::shared_ptr<Analyzer::Expr> Analyzer::CharLengthExpr::rewrite_with_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 666 of file Analyzer.h.

References arg, and calc_encoded_length.

667  {
668  return makeExpr<CharLengthExpr>(arg->rewrite_with_targetlist(tlist),
670  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686
std::string Analyzer::CharLengthExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2451 of file Analyzer.cpp.

References arg, and calc_encoded_length.

2451  {
2452  std::string str;
2453  if (calc_encoded_length) {
2454  str += "CHAR_LENGTH(";
2455  } else {
2456  str += "LENGTH(";
2457  }
2458  str += arg->toString();
2459  str += ") ";
2460  return str;
2461 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:686

Member Data Documentation

bool Analyzer::CharLengthExpr::calc_encoded_length
private

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