Parser::IsNullExpr Class Reference

#include <ParserNode.h>

Inheritance diagram for Parser::IsNullExpr:

Collaboration diagram for Parser::IsNullExpr:

Public Member Functions
	IsNullExpr (bool n, Expr *a)
bool	get_is_not () const
std::shared_ptr< Analyzer::Expr >	analyze (const Catalog_Namespace::Catalog &catalog, Analyzer::Query &query, TlistRefType allow_tlist_ref=TLIST_NONE) const override
std::string	to_string () const override
Public Member Functions inherited from Parser::Node
virtual	~Node ()

Private Attributes
bool	is_not_
std::unique_ptr< Expr >	arg_

Additional Inherited Members
Public Types inherited from Parser::Expr
enum	TlistRefType { TLIST_NONE, TLIST_REF, TLIST_COPY }

Detailed Description

Definition at line 345 of file ParserNode.h.

Constructor & Destructor Documentation

Parser::IsNullExpr::IsNullExpr ( bool  n, Expr *  a  )

inline

Definition at line 347 of file ParserNode.h.

: is_not_(n), arg_(a) {}

Member Function Documentation

std::shared_ptr< Analyzer::Expr > Parser::IsNullExpr::analyze ( const Catalog_Namespace::Catalog &  catalog, Analyzer::Query &  query, TlistRefType  allow_tlist_ref = TLIST_NONE  ) const

overridevirtual

Implements Parser::Expr.

Definition at line 508 of file ParserNode.cpp.

References kBOOLEAN, kISNULL, kNOT, and run_benchmark_import::result.

                                        {
  auto arg_expr = arg_->analyze(catalog, query, allow_tlist_ref);
  auto result = makeExpr<Analyzer::UOper>(kBOOLEAN, kISNULL, arg_expr);
  if (is_not_) {
    result = makeExpr<Analyzer::UOper>(kBOOLEAN, kNOT, result);
  }
  return result;
}

bool Parser::IsNullExpr::get_is_not ( ) const

inline

Definition at line 348 of file ParserNode.h.

References is_not_.

{ return is_not_; }

std::string Parser::IsNullExpr::to_string ( ) const

overridevirtual

Implements Parser::Expr.

Definition at line 2165 of file ParserNode.cpp.

                                      {
  std::string str = arg_->to_string();
  if (is_not_) {
    str += " IS NOT NULL";
  } else {
    str += " IS NULL";
  }
  return str;
}

Member Data Documentation

std::unique_ptr<Expr> Parser::IsNullExpr::arg_

private

Definition at line 357 of file ParserNode.h.

bool Parser::IsNullExpr::is_not_

private

Definition at line 356 of file ParserNode.h.

Referenced by get_is_not().

---

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

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