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Analyzer::LikeExpr Class Reference

#include <Analyzer.h>

+ Inheritance diagram for Analyzer::LikeExpr:
+ Collaboration diagram for Analyzer::LikeExpr:

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 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

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 890 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 892 of file Analyzer.h.

897  : Expr(kBOOLEAN, a->get_type_info().get_notnull())
898  , arg(a)
899  , like_expr(l)
900  , escape_expr(e)
901  , is_ilike(i)
902  , is_simple(s) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:72
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
constexpr double a
Definition: Utm.h:32
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955

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 916 of file Analyzer.h.

References arg.

919  {
920  arg->collect_column_var(colvar_set, include_agg);
921  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
void Analyzer::LikeExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 913 of file Analyzer.h.

References arg.

913  {
914  arg->collect_rte_idx(rte_idx_set);
915  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > Analyzer::LikeExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 154 of file Analyzer.cpp.

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

154  {
155  return makeExpr<LikeExpr>(arg->deep_copy(),
156  like_expr->deep_copy(),
157  escape_expr ? escape_expr->deep_copy() : nullptr,
158  is_ilike,
159  is_simple);
160 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955
void Analyzer::LikeExpr::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 3074 of file Analyzer.cpp.

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

3075  {
3076  if (f(this)) {
3077  add_unique(expr_list);
3078  return;
3079  }
3080  arg->find_expr(f, expr_list);
3081  like_expr->find_expr(f, expr_list);
3082  if (escape_expr != nullptr) {
3083  escape_expr->find_expr(f, expr_list);
3084  }
3085 }
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:2988
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
constexpr double f
Definition: Utm.h:31
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955

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

Definition at line 903 of file Analyzer.h.

References arg.

Referenced by CodeGenerator::codegen(), getExpressionRange(), operator==(), ScalarExprToSql::visitLikeExpr(), DeepCopyVisitor::visitLikeExpr(), ScalarExprVisitor< std::unordered_set< InputColDescriptor > >::visitLikeExpr(), and anonymous_namespace{RelAlgExecutor.cpp}::TextEncodingCastCountVisitor::visitLikeExpr().

903 { return arg.get(); }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952

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

Definition at line 906 of file Analyzer.h.

References escape_expr.

Referenced by CodeGenerator::codegen(), operator==(), ScalarExprToSql::visitLikeExpr(), DeepCopyVisitor::visitLikeExpr(), ScalarExprVisitor< std::unordered_set< InputColDescriptor > >::visitLikeExpr(), and anonymous_namespace{RelAlgExecutor.cpp}::TextEncodingCastCountVisitor::visitLikeExpr().

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

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

Definition at line 907 of file Analyzer.h.

References is_ilike.

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

907 { return is_ilike; }

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

Definition at line 908 of file Analyzer.h.

References is_simple.

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

908 { return is_simple; }

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

Definition at line 905 of file Analyzer.h.

References like_expr.

Referenced by CodeGenerator::codegen(), operator==(), ScalarExprToSql::visitLikeExpr(), DeepCopyVisitor::visitLikeExpr(), ScalarExprVisitor< std::unordered_set< InputColDescriptor > >::visitLikeExpr(), and anonymous_namespace{RelAlgExecutor.cpp}::TextEncodingCastCountVisitor::visitLikeExpr().

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

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

Definition at line 904 of file Analyzer.h.

References arg.

Referenced by CodeGenerator::codegen().

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

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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 1695 of file Analyzer.cpp.

References arg.

1697  {
1698  std::set<int> rte_idx_set;
1699  arg->collect_rte_idx(rte_idx_set);
1700  if (rte_idx_set.size() > 1) {
1701  join_predicates.push_back(this);
1702  } else if (rte_idx_set.size() == 1) {
1703  scan_predicates.push_back(this);
1704  } else {
1705  const_predicates.push_back(this);
1706  }
1707 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
bool Analyzer::LikeExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2305 of file Analyzer.cpp.

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

2305  {
2306  if (typeid(rhs) != typeid(LikeExpr)) {
2307  return false;
2308  }
2309  const LikeExpr& rhs_lk = dynamic_cast<const LikeExpr&>(rhs);
2310  if (!(*arg == *rhs_lk.get_arg()) || !(*like_expr == *rhs_lk.get_like_expr()) ||
2311  is_ilike != rhs_lk.get_is_ilike()) {
2312  return false;
2313  }
2314  if (escape_expr.get() == rhs_lk.get_escape_expr()) {
2315  return true;
2316  }
2317  if (escape_expr != nullptr && rhs_lk.get_escape_expr() != nullptr &&
2318  *escape_expr == *rhs_lk.get_escape_expr()) {
2319  return true;
2320  }
2321  return false;
2322 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
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:892
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955

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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 938 of file Analyzer.h.

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

939  {
940  return makeExpr<LikeExpr>(arg->rewrite_agg_to_var(tlist),
941  like_expr->deep_copy(),
942  escape_expr ? escape_expr->deep_copy() : nullptr,
943  is_ilike,
944  is_simple);
945  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955
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 930 of file Analyzer.h.

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

931  {
932  return makeExpr<LikeExpr>(arg->rewrite_with_child_targetlist(tlist),
933  like_expr->deep_copy(),
934  escape_expr ? escape_expr->deep_copy() : nullptr,
935  is_ilike,
936  is_simple);
937  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955
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 922 of file Analyzer.h.

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

923  {
924  return makeExpr<LikeExpr>(arg->rewrite_with_targetlist(tlist),
925  like_expr->deep_copy(),
926  escape_expr ? escape_expr->deep_copy() : nullptr,
927  is_ilike,
928  is_simple);
929  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955
std::string Analyzer::LikeExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2771 of file Analyzer.cpp.

References arg, escape_expr, and like_expr.

2771  {
2772  std::string str{"(LIKE "};
2773  str += arg->toString();
2774  str += like_expr->toString();
2775  if (escape_expr) {
2776  str += escape_expr->toString();
2777  }
2778  str += ") ";
2779  return str;
2780 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:953
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:952
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:955

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: