OmniSciDB  c1a53651b2
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
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 (std::function< bool(const Expr *)> f, 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 896 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 898 of file Analyzer.h.

903  : Expr(kBOOLEAN, a->get_type_info().get_notnull())
904  , arg(a)
905  , like_expr(l)
906  , escape_expr(e)
907  , is_ilike(i)
908  , is_simple(s) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:70
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
constexpr double a
Definition: Utm.h:32
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961

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 922 of file Analyzer.h.

References arg.

925  {
926  arg->collect_column_var(colvar_set, include_agg);
927  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
void Analyzer::LikeExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 919 of file Analyzer.h.

References arg.

919  {
920  arg->collect_rte_idx(rte_idx_set);
921  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > Analyzer::LikeExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 152 of file Analyzer.cpp.

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

152  {
153  return makeExpr<LikeExpr>(arg->deep_copy(),
154  like_expr->deep_copy(),
155  escape_expr ? escape_expr->deep_copy() : nullptr,
156  is_ilike,
157  is_simple);
158 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961
void Analyzer::LikeExpr::find_expr ( std::function< bool(const Expr *)>  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 3204 of file Analyzer.cpp.

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

3205  {
3206  if (f(this)) {
3207  add_unique(expr_list);
3208  return;
3209  }
3210  arg->find_expr(f, expr_list);
3211  like_expr->find_expr(f, expr_list);
3212  if (escape_expr != nullptr) {
3213  escape_expr->find_expr(f, expr_list);
3214  }
3215 }
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:3116
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
constexpr double f
Definition: Utm.h:31
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961

+ Here is the call graph for this function:

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

Definition at line 909 of file Analyzer.h.

References arg.

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

909 { return arg.get(); }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958

+ Here is the caller graph for this function:

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

Definition at line 912 of file Analyzer.h.

References escape_expr.

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

912 { return escape_expr.get(); }
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961

+ Here is the caller graph for this function:

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

Definition at line 913 of file Analyzer.h.

References is_ilike.

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

913 { return is_ilike; }

+ Here is the caller graph for this function:

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

Definition at line 914 of file Analyzer.h.

References is_simple.

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

914 { return is_simple; }

+ Here is the caller graph for this function:

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

Definition at line 911 of file Analyzer.h.

References like_expr.

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

911 { return like_expr.get(); }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959

+ Here is the caller graph for this function:

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

Definition at line 910 of file Analyzer.h.

References arg.

Referenced by CodeGenerator::codegen().

910 { return arg; }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958

+ Here is the caller graph for this function:

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 1756 of file Analyzer.cpp.

References arg.

1758  {
1759  std::set<int> rte_idx_set;
1760  arg->collect_rte_idx(rte_idx_set);
1761  if (rte_idx_set.size() > 1) {
1762  join_predicates.push_back(this);
1763  } else if (rte_idx_set.size() == 1) {
1764  scan_predicates.push_back(this);
1765  } else {
1766  const_predicates.push_back(this);
1767  }
1768 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
bool Analyzer::LikeExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2365 of file Analyzer.cpp.

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

2365  {
2366  if (typeid(rhs) != typeid(LikeExpr)) {
2367  return false;
2368  }
2369  const LikeExpr& rhs_lk = dynamic_cast<const LikeExpr&>(rhs);
2370  if (!(*arg == *rhs_lk.get_arg()) || !(*like_expr == *rhs_lk.get_like_expr()) ||
2371  is_ilike != rhs_lk.get_is_ilike()) {
2372  return false;
2373  }
2374  if (escape_expr.get() == rhs_lk.get_escape_expr()) {
2375  return true;
2376  }
2377  if (escape_expr != nullptr && rhs_lk.get_escape_expr() != nullptr &&
2378  *escape_expr == *rhs_lk.get_escape_expr()) {
2379  return true;
2380  }
2381  return false;
2382 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
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:898
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961

+ Here is the call graph for this function:

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 944 of file Analyzer.h.

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

945  {
946  return makeExpr<LikeExpr>(arg->rewrite_agg_to_var(tlist),
947  like_expr->deep_copy(),
948  escape_expr ? escape_expr->deep_copy() : nullptr,
949  is_ilike,
950  is_simple);
951  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961
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 936 of file Analyzer.h.

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

937  {
938  return makeExpr<LikeExpr>(arg->rewrite_with_child_targetlist(tlist),
939  like_expr->deep_copy(),
940  escape_expr ? escape_expr->deep_copy() : nullptr,
941  is_ilike,
942  is_simple);
943  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961
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 928 of file Analyzer.h.

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

929  {
930  return makeExpr<LikeExpr>(arg->rewrite_with_targetlist(tlist),
931  like_expr->deep_copy(),
932  escape_expr ? escape_expr->deep_copy() : nullptr,
933  is_ilike,
934  is_simple);
935  }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961
std::string Analyzer::LikeExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2849 of file Analyzer.cpp.

References arg, escape_expr, and like_expr.

2849  {
2850  std::string str{"(LIKE "};
2851  str += arg->toString();
2852  str += like_expr->toString();
2853  if (escape_expr) {
2854  str += escape_expr->toString();
2855  }
2856  str += ") ";
2857  return str;
2858 }
std::shared_ptr< Analyzer::Expr > like_expr
Definition: Analyzer.h:959
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:958
std::shared_ptr< Analyzer::Expr > escape_expr
Definition: Analyzer.h:961

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: