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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 938 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 940 of file Analyzer.h.

945  : Expr(kBOOLEAN, a->get_type_info().get_notnull())
946  , arg(a)
947  , like_expr(l)
948  , escape_expr(e)
949  , is_ilike(i)
950  , is_simple(s) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:68
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
constexpr double a
Definition: Utm.h:38
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003

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 964 of file Analyzer.h.

References arg.

967  {
968  arg->collect_column_var(colvar_set, include_agg);
969  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
void Analyzer::LikeExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 961 of file Analyzer.h.

References arg.

961  {
962  arg->collect_rte_idx(rte_idx_set);
963  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
std::shared_ptr< Analyzer::Expr > Analyzer::LikeExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 150 of file Analyzer.cpp.

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

150  {
151  return makeExpr<LikeExpr>(arg->deep_copy(),
152  like_expr->deep_copy(),
153  escape_expr ? escape_expr->deep_copy() : nullptr,
154  is_ilike,
155  is_simple);
156 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003
void Analyzer::LikeExpr::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 3049 of file Analyzer.cpp.

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

3050  {
3051  if (f(this)) {
3052  add_unique(expr_list);
3053  return;
3054  }
3055  arg->find_expr(f, expr_list);
3056  like_expr->find_expr(f, expr_list);
3057  if (escape_expr != nullptr) {
3058  escape_expr->find_expr(f, expr_list);
3059  }
3060 }
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:2965
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
char * f
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003

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

Definition at line 951 of file Analyzer.h.

References arg.

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

951 { return arg.get(); }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000

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

Definition at line 954 of file Analyzer.h.

References escape_expr.

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

954 { return escape_expr.get(); }
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003

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

Definition at line 955 of file Analyzer.h.

References is_ilike.

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

955 { return is_ilike; }

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

Definition at line 956 of file Analyzer.h.

References is_simple.

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

956 { return is_simple; }

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

Definition at line 953 of file Analyzer.h.

References like_expr.

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

953 { return like_expr.get(); }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001

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

Definition at line 952 of file Analyzer.h.

References arg.

Referenced by CodeGenerator::codegen().

952 { return arg; }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000

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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 1687 of file Analyzer.cpp.

References arg.

1689  {
1690  std::set<int> rte_idx_set;
1691  arg->collect_rte_idx(rte_idx_set);
1692  if (rte_idx_set.size() > 1) {
1693  join_predicates.push_back(this);
1694  } else if (rte_idx_set.size() == 1) {
1695  scan_predicates.push_back(this);
1696  } else {
1697  const_predicates.push_back(this);
1698  }
1699 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
bool Analyzer::LikeExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2278 of file Analyzer.cpp.

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

2278  {
2279  if (typeid(rhs) != typeid(LikeExpr)) {
2280  return false;
2281  }
2282  const LikeExpr& rhs_lk = dynamic_cast<const LikeExpr&>(rhs);
2283  if (!(*arg == *rhs_lk.get_arg()) || !(*like_expr == *rhs_lk.get_like_expr()) ||
2284  is_ilike != rhs_lk.get_is_ilike()) {
2285  return false;
2286  }
2287  if (escape_expr.get() == rhs_lk.get_escape_expr()) {
2288  return true;
2289  }
2290  if (escape_expr != nullptr && rhs_lk.get_escape_expr() != nullptr &&
2291  *escape_expr == *rhs_lk.get_escape_expr()) {
2292  return true;
2293  }
2294  return false;
2295 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
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:940
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003

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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 986 of file Analyzer.h.

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

987  {
988  return makeExpr<LikeExpr>(arg->rewrite_agg_to_var(tlist),
989  like_expr->deep_copy(),
990  escape_expr ? escape_expr->deep_copy() : nullptr,
991  is_ilike,
992  is_simple);
993  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003
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 978 of file Analyzer.h.

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

979  {
980  return makeExpr<LikeExpr>(arg->rewrite_with_child_targetlist(tlist),
981  like_expr->deep_copy(),
982  escape_expr ? escape_expr->deep_copy() : nullptr,
983  is_ilike,
984  is_simple);
985  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003
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 970 of file Analyzer.h.

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

971  {
972  return makeExpr<LikeExpr>(arg->rewrite_with_targetlist(tlist),
973  like_expr->deep_copy(),
974  escape_expr ? escape_expr->deep_copy() : nullptr,
975  is_ilike,
976  is_simple);
977  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003
std::string Analyzer::LikeExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2748 of file Analyzer.cpp.

References arg, escape_expr, and like_expr.

2748  {
2749  std::string str{"(LIKE "};
2750  str += arg->toString();
2751  str += like_expr->toString();
2752  if (escape_expr) {
2753  str += escape_expr->toString();
2754  }
2755  str += ") ";
2756  return str;
2757 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:1001
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:1000
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:1003

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: