OmniSciDB  8fa3bf436f
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
Analyzer::LowerExpr Class Reference

Expression class for the LOWER (lowercase) string function. The "arg" constructor parameter must be an expression that resolves to a string datatype (e.g. TEXT). More...

#include <Analyzer.h>

+ Inheritance diagram for Analyzer::LowerExpr:
+ Collaboration diagram for Analyzer::LowerExpr:

Public Member Functions

 LowerExpr (std::shared_ptr< Analyzer::Expr > arg)
 
const Exprget_arg () const
 
const std::shared_ptr
< Analyzer::Expr
get_own_arg () const
 
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
 
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
 
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
 

Additional Inherited Members

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

Detailed Description

Expression class for the LOWER (lowercase) string function. The "arg" constructor parameter must be an expression that resolves to a string datatype (e.g. TEXT).

Definition at line 791 of file Analyzer.h.

Constructor & Destructor Documentation

Analyzer::LowerExpr::LowerExpr ( std::shared_ptr< Analyzer::Expr arg)
inline

Definition at line 793 of file Analyzer.h.

793 : Expr(arg->get_type_info()), arg(arg) {}
Expr(SQLTypes t, bool notnull)
Definition: Analyzer.h:69
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839

Member Function Documentation

void Analyzer::LowerExpr::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 803 of file Analyzer.h.

References arg.

806  {
807  arg->collect_column_var(colvar_set, include_agg);
808  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
void Analyzer::LowerExpr::collect_rte_idx ( std::set< int > &  rte_idx_set) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 799 of file Analyzer.h.

References arg.

799  {
800  arg->collect_rte_idx(rte_idx_set);
801  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
std::shared_ptr< Analyzer::Expr > Analyzer::LowerExpr::deep_copy ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 133 of file Analyzer.cpp.

References arg.

133  {
134  return makeExpr<LowerExpr>(arg->deep_copy());
135 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
void Analyzer::LowerExpr::find_expr ( bool(*)(const Expr *)  f,
std::list< const Expr * > &  expr_list 
) const
overridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 2934 of file Analyzer.cpp.

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

2935  {
2936  if (f(this)) {
2937  add_unique(expr_list);
2938  } else {
2939  arg->find_expr(f, expr_list);
2940  }
2941 }
virtual void add_unique(std::list< const Expr * > &expr_list) const
Definition: Analyzer.cpp:2868
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
char * f

+ Here is the call graph for this function:

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

Definition at line 795 of file Analyzer.h.

References arg.

Referenced by CodeGenerator::codegen(), operator==(), DeepCopyVisitor::visitLower(), ScalarExprVisitor< std::unordered_set< InputColDescriptor > >::visitLower(), and anonymous_namespace{ExpressionRewrite.cpp}::ConstantFoldingVisitor::visitLower().

795 { return arg.get(); }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839

+ Here is the caller graph for this function:

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

Definition at line 797 of file Analyzer.h.

References arg.

Referenced by anonymous_namespace{ExpressionRewrite.cpp}::ConstantFoldingVisitor::visitLower().

797 { return arg; }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839

+ Here is the caller graph for this function:

void Analyzer::LowerExpr::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 1647 of file Analyzer.cpp.

References arg.

1649  {
1650  std::set<int> rte_idx_set;
1651  arg->collect_rte_idx(rte_idx_set);
1652  if (rte_idx_set.size() > 1) {
1653  join_predicates.push_back(this);
1654  } else if (rte_idx_set.size() == 1) {
1655  scan_predicates.push_back(this);
1656  } else {
1657  const_predicates.push_back(this);
1658  }
1659 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
bool Analyzer::LowerExpr::operator== ( const Expr rhs) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2222 of file Analyzer.cpp.

References arg, and get_arg().

2222  {
2223  if (typeid(rhs) != typeid(LowerExpr)) {
2224  return false;
2225  }
2226 
2227  return *arg == *dynamic_cast<const LowerExpr&>(rhs).get_arg();
2228 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
const Expr * get_arg() const
Definition: Analyzer.h:795
LowerExpr(std::shared_ptr< Analyzer::Expr > arg)
Definition: Analyzer.h:793

+ Here is the call graph for this function:

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

Reimplemented from Analyzer::Expr.

Definition at line 820 of file Analyzer.h.

References arg.

821  {
822  return makeExpr<LowerExpr>(arg->rewrite_agg_to_var(tlist));
823  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
std::shared_ptr<Analyzer::Expr> Analyzer::LowerExpr::rewrite_with_child_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 815 of file Analyzer.h.

References arg.

816  {
817  return makeExpr<LowerExpr>(arg->rewrite_with_child_targetlist(tlist));
818  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
std::shared_ptr<Analyzer::Expr> Analyzer::LowerExpr::rewrite_with_targetlist ( const std::vector< std::shared_ptr< TargetEntry >> &  tlist) const
inlineoverridevirtual

Reimplemented from Analyzer::Expr.

Definition at line 810 of file Analyzer.h.

References arg.

811  {
812  return makeExpr<LowerExpr>(arg->rewrite_with_targetlist(tlist));
813  }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839
std::string Analyzer::LowerExpr::toString ( ) const
overridevirtual

Implements Analyzer::Expr.

Definition at line 2649 of file Analyzer.cpp.

References arg.

2649  {
2650  return "LOWER(" + arg->toString() + ") ";
2651 }
std::shared_ptr< Analyzer::Expr > arg
Definition: Analyzer.h:839

Member Data Documentation


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