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 Expr *	get_arg () const
const std::shared_ptr < Analyzer::Expr >	get_own_arg () const
const Expr *	get_like_expr () const
const Expr *	get_escape_expr () const
bool	get_is_ilike () const
bool	get_is_simple () const
std::shared_ptr< Analyzer::Expr >	deep_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::Expr >	rewrite_with_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
std::shared_ptr< Analyzer::Expr >	rewrite_with_child_targetlist (const std::vector< std::shared_ptr< TargetEntry >> &tlist) const override
std::shared_ptr< Analyzer::Expr >	rewrite_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::Expr >	get_shared_ptr ()
const SQLTypeInfo &	get_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::Expr >	decompress ()
virtual void	get_domain (DomainSet &domain_set) const

Private Attributes
std::shared_ptr< Analyzer::Expr >	arg
std::shared_ptr< Analyzer::Expr >	like_expr
std::shared_ptr< Analyzer::Expr >	escape_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 1048 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 1050 of file Analyzer.h.

      : Expr(kBOOLEAN, a->get_type_info().get_notnull())
      , arg(a)
      , like_expr(l)
      , escape_expr(e)
      , is_ilike(i)
      , is_simple(s) {}

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 1074 of file Analyzer.h.

References arg.

                                       {
    arg->collect_column_var(colvar_set, include_agg);
  }

void Analyzer::LikeExpr::collect_rte_idx ( std::set< int > &  rte_idx_set ) const

inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 1071 of file Analyzer.h.

References arg.

                                                                {
    arg->collect_rte_idx(rte_idx_set);
  }

std::shared_ptr< Analyzer::Expr > Analyzer::LikeExpr::deep_copy ( ) const

overridevirtual

Implements Analyzer::Expr.

Definition at line 169 of file Analyzer.cpp.

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

                                                      {
  return makeExpr<LikeExpr>(arg->deep_copy(),
                            like_expr->deep_copy(),
                            escape_expr ? escape_expr->deep_copy() : nullptr,
                            is_ilike,
                            is_simple);
}

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 3358 of file Analyzer.cpp.

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

                                                                {
  if (f(this)) {
    add_unique(expr_list);
    return;
  }
  arg->find_expr(f, expr_list);
  like_expr->find_expr(f, expr_list);
  if (escape_expr != nullptr) {
    escape_expr->find_expr(f, expr_list);
  }
}

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

inline

Definition at line 1061 of file Analyzer.h.

References arg.

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

{ return arg.get(); }

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

inline

Definition at line 1064 of file Analyzer.h.

References escape_expr.

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

{ return escape_expr.get(); }

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bool Analyzer::LikeExpr::get_is_ilike ( ) const

inline

Definition at line 1065 of file Analyzer.h.

References is_ilike.

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

{ return is_ilike; }

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bool Analyzer::LikeExpr::get_is_simple ( ) const

inline

Definition at line 1066 of file Analyzer.h.

References is_simple.

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

{ return is_simple; }

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

inline

Definition at line 1063 of file Analyzer.h.

References like_expr.

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

{ return like_expr.get(); }

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

inline

Definition at line 1062 of file Analyzer.h.

References arg.

Referenced by CodeGenerator::codegen().

{ return arg; }

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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 1815 of file Analyzer.cpp.

References arg.

                                                                              {
  std::set<int> rte_idx_set;
  arg->collect_rte_idx(rte_idx_set);
  if (rte_idx_set.size() > 1) {
    join_predicates.push_back(this);
  } else if (rte_idx_set.size() == 1) {
    scan_predicates.push_back(this);
  } else {
    const_predicates.push_back(this);
  }
}

bool Analyzer::LikeExpr::operator== ( const Expr &  rhs ) const

overridevirtual

Implements Analyzer::Expr.

Definition at line 2468 of file Analyzer.cpp.

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

                                               {
  if (typeid(rhs) != typeid(LikeExpr)) {
    return false;
  }
  const LikeExpr& rhs_lk = dynamic_cast<const LikeExpr&>(rhs);
  if (!(*arg == *rhs_lk.get_arg()) || !(*like_expr == *rhs_lk.get_like_expr()) ||
      is_ilike != rhs_lk.get_is_ilike()) {
    return false;
  }
  if (escape_expr.get() == rhs_lk.get_escape_expr()) {
    return true;
  }
  if (escape_expr != nullptr && rhs_lk.get_escape_expr() != nullptr &&
      *escape_expr == *rhs_lk.get_escape_expr()) {
    return true;
  }
  return false;
}

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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 1096 of file Analyzer.h.

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

                                                                         {
    return makeExpr<LikeExpr>(arg->rewrite_agg_to_var(tlist),
                              like_expr->deep_copy(),
                              escape_expr ? escape_expr->deep_copy() : nullptr,
                              is_ilike,
                              is_simple);
  }

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 1088 of file Analyzer.h.

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

                                                                         {
    return makeExpr<LikeExpr>(arg->rewrite_with_child_targetlist(tlist),
                              like_expr->deep_copy(),
                              escape_expr ? escape_expr->deep_copy() : nullptr,
                              is_ilike,
                              is_simple);
  }

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 1080 of file Analyzer.h.

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

                                                                         {
    return makeExpr<LikeExpr>(arg->rewrite_with_targetlist(tlist),
                              like_expr->deep_copy(),
                              escape_expr ? escape_expr->deep_copy() : nullptr,
                              is_ilike,
                              is_simple);
  }

std::string Analyzer::LikeExpr::toString ( ) const

overridevirtual

Implements Analyzer::Expr.

Definition at line 2978 of file Analyzer.cpp.

References arg, escape_expr, and like_expr.

                                   {
  std::string str{"(LIKE "};
  str += arg->toString();
  str += like_expr->toString();
  if (escape_expr) {
    str += escape_expr->toString();
  }
  str += ") ";
  return str;
}

Member Data Documentation

std::shared_ptr<Analyzer::Expr> Analyzer::LikeExpr::arg

private

Definition at line 1110 of file Analyzer.h.

Referenced by collect_column_var(), collect_rte_idx(), deep_copy(), find_expr(), get_arg(), get_own_arg(), group_predicates(), operator==(), rewrite_agg_to_var(), rewrite_with_child_targetlist(), rewrite_with_targetlist(), and toString().

std::shared_ptr<Analyzer::Expr> Analyzer::LikeExpr::escape_expr

private

Definition at line 1113 of file Analyzer.h.

Referenced by deep_copy(), find_expr(), get_escape_expr(), operator==(), rewrite_agg_to_var(), rewrite_with_child_targetlist(), rewrite_with_targetlist(), and toString().

bool Analyzer::LikeExpr::is_ilike

private

Definition at line 1114 of file Analyzer.h.

Referenced by deep_copy(), get_is_ilike(), operator==(), rewrite_agg_to_var(), rewrite_with_child_targetlist(), and rewrite_with_targetlist().

bool Analyzer::LikeExpr::is_simple

private

Definition at line 1115 of file Analyzer.h.

Referenced by deep_copy(), get_is_simple(), rewrite_agg_to_var(), rewrite_with_child_targetlist(), and rewrite_with_targetlist().

std::shared_ptr<Analyzer::Expr> Analyzer::LikeExpr::like_expr

private

Definition at line 1111 of file Analyzer.h.

Referenced by deep_copy(), find_expr(), get_like_expr(), operator==(), rewrite_agg_to_var(), rewrite_with_child_targetlist(), rewrite_with_targetlist(), and toString().

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

• /home/jenkins-slave/workspace/core-os-doxygen/Analyzer/Analyzer.h
• /home/jenkins-slave/workspace/core-os-doxygen/Analyzer/Analyzer.cpp