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Analyzer::LikeExpr Class Reference

#include <Analyzer.h>

+ Inheritance diagram for Analyzer::LikeExpr:
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Public Member Functions

 LikeExpr (std::shared_ptr< Analyzer::Expr > a, std::shared_ptr< Analyzer::Expr > l, std::shared_ptr< Analyzer::Expr > e, bool i, bool s)
 
const Exprget_arg () const
 
const std::shared_ptr
< Analyzer::Expr
get_own_arg () const
 
const Exprget_like_expr () const
 
const Exprget_escape_expr () const
 
bool get_is_ilike () const
 
bool get_is_simple () 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
 
std::shared_ptr< Analyzer::Exprlike_expr
 
std::shared_ptr< Analyzer::Exprescape_expr
 
bool is_ilike
 
bool is_simple
 

Additional Inherited Members

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

Detailed Description

Definition at line 892 of file Analyzer.h.

Constructor & Destructor Documentation

Analyzer::LikeExpr::LikeExpr ( std::shared_ptr< Analyzer::Expr a,
std::shared_ptr< Analyzer::Expr l,
std::shared_ptr< Analyzer::Expr e,
bool  i,
bool  s 
)
inline

Definition at line 894 of file Analyzer.h.

899  : Expr(kBOOLEAN, a->get_type_info().get_notnull())
900  , arg(a)
901  , like_expr(l)
902  , escape_expr(e)
903  , is_ilike(i)
904  , is_simple(s) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:69
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957

Member Function Documentation

void Analyzer::LikeExpr::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 918 of file Analyzer.h.

References arg.

921  {
922  arg->collect_column_var(colvar_set, include_agg);
923  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
void Analyzer::LikeExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 915 of file Analyzer.h.

References arg.

915  {
916  arg->collect_rte_idx(rte_idx_set);
917  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
std::shared_ptr< Analyzer::Expr > Analyzer::LikeExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 141 of file Analyzer.cpp.

References arg, escape_expr, is_ilike, is_simple, and like_expr.

141  {
142  return makeExpr<LikeExpr>(arg->deep_copy(),
143  like_expr->deep_copy(),
144  escape_expr ? escape_expr->deep_copy() : nullptr,
145  is_ilike,
146  is_simple);
147 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957
void Analyzer::LikeExpr::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2952 of file Analyzer.cpp.

References Analyzer::Expr::add_unique(), arg, escape_expr, f, and like_expr.

2953  {
2954  if (f(this)) {
2955  add_unique(expr_list);
2956  return;
2957  }
2958  arg->find_expr(f, expr_list);
2959  like_expr->find_expr(f, expr_list);
2960  if (escape_expr != nullptr) {
2961  escape_expr->find_expr(f, expr_list);
2962  }
2963 }
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:2868
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
char * f
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957

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

Definition at line 905 of file Analyzer.h.

References arg.

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

905 { return arg.get(); }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954

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const Expr* Analyzer::LikeExpr::get_escape_expr ( ) const
inline

Definition at line 908 of file Analyzer.h.

References escape_expr.

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

908 { return escape_expr.get(); }
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957

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bool Analyzer::LikeExpr::get_is_ilike ( ) const
inline

Definition at line 909 of file Analyzer.h.

References is_ilike.

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

909 { return is_ilike; }

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bool Analyzer::LikeExpr::get_is_simple ( ) const
inline

Definition at line 910 of file Analyzer.h.

References is_simple.

Referenced by CodeGenerator::codegen(), and DeepCopyVisitor::visitLikeExpr().

910 { return is_simple; }

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const Expr* Analyzer::LikeExpr::get_like_expr ( ) const
inline

Definition at line 907 of file Analyzer.h.

References like_expr.

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

907 { return like_expr.get(); }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955

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

Definition at line 906 of file Analyzer.h.

References arg.

Referenced by CodeGenerator::codegen().

906 { return arg; }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954

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void Analyzer::LikeExpr::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 1675 of file Analyzer.cpp.

References arg.

1677  {
1678  std::set<int> rte_idx_set;
1679  arg->collect_rte_idx(rte_idx_set);
1680  if (rte_idx_set.size() > 1) {
1681  join_predicates.push_back(this);
1682  } else if (rte_idx_set.size() == 1) {
1683  scan_predicates.push_back(this);
1684  } else {
1685  const_predicates.push_back(this);
1686  }
1687 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
bool Analyzer::LikeExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2241 of file Analyzer.cpp.

References arg, escape_expr, get_arg(), get_escape_expr(), get_is_ilike(), get_like_expr(), is_ilike, and like_expr.

2241  {
2242  if (typeid(rhs) != typeid(LikeExpr)) {
2243  return false;
2244  }
2245  const LikeExpr& rhs_lk = dynamic_cast<const LikeExpr&>(rhs);
2246  if (!(*arg == *rhs_lk.get_arg()) || !(*like_expr == *rhs_lk.get_like_expr()) ||
2247  is_ilike != rhs_lk.get_is_ilike()) {
2248  return false;
2249  }
2250  if (escape_expr.get() == rhs_lk.get_escape_expr()) {
2251  return true;
2252  }
2253  if (escape_expr != nullptr && rhs_lk.get_escape_expr() != nullptr &&
2254  *escape_expr == *rhs_lk.get_escape_expr()) {
2255  return true;
2256  }
2257  return false;
2258 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
LikeExpr(std::shared_ptr< Analyzer::Expr > a, std::shared_ptr< Analyzer::Expr > l, std::shared_ptr< Analyzer::Expr > e, bool i, bool s)
Definition: Analyzer.h:894
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957

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

Reimplemented from Analyzer::Expr.

Definition at line 940 of file Analyzer.h.

References arg, escape_expr, is_ilike, is_simple, and like_expr.

941  {
942  return makeExpr<LikeExpr>(arg->rewrite_agg_to_var(tlist),
943  like_expr->deep_copy(),
944  escape_expr ? escape_expr->deep_copy() : nullptr,
945  is_ilike,
946  is_simple);
947  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957
std::shared_ptr<Analyzer::Expr> Analyzer::LikeExpr::rewrite_with_child_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 932 of file Analyzer.h.

References arg, escape_expr, is_ilike, is_simple, and like_expr.

933  {
934  return makeExpr<LikeExpr>(arg->rewrite_with_child_targetlist(tlist),
935  like_expr->deep_copy(),
936  escape_expr ? escape_expr->deep_copy() : nullptr,
937  is_ilike,
938  is_simple);
939  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957
std::shared_ptr<Analyzer::Expr> Analyzer::LikeExpr::rewrite_with_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 924 of file Analyzer.h.

References arg, escape_expr, is_ilike, is_simple, and like_expr.

925  {
926  return makeExpr<LikeExpr>(arg->rewrite_with_targetlist(tlist),
927  like_expr->deep_copy(),
928  escape_expr ? escape_expr->deep_copy() : nullptr,
929  is_ilike,
930  is_simple);
931  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957
std::string Analyzer::LikeExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2660 of file Analyzer.cpp.

References arg, escape_expr, and like_expr.

2660  {
2661  std::string str{"(LIKE "};
2662  str += arg->toString();
2663  str += like_expr->toString();
2664  if (escape_expr) {
2665  str += escape_expr->toString();
2666  }
2667  str += ") ";
2668  return str;
2669 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:955
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:954
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:957

Member Data Documentation

std::shared_ptr<Analyzer::Expr> Analyzer::LikeExpr::escape_expr
private
bool Analyzer::LikeExpr::is_ilike
private
bool Analyzer::LikeExpr::is_simple
private
std::shared_ptr<Analyzer::Expr> Analyzer::LikeExpr::like_expr
private

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