Parser::CharLengthExpr Class Reference

#include <ParserNode.h>

Inheritance diagram for Parser::CharLengthExpr:

Collaboration diagram for Parser::CharLengthExpr:

Public Member Functions
	CharLengthExpr (Expr *a, bool e)
const Expr *	get_arg () const
bool	get_calc_encoded_length () 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
std::unique_ptr< Expr >	arg_
bool	calc_encoded_length_

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

Detailed Description

Definition at line 453 of file ParserNode.h.

Constructor & Destructor Documentation

Parser::CharLengthExpr::CharLengthExpr ( Expr *  a, bool  e  )

inline

Definition at line 455 of file ParserNode.h.

: arg_(a), calc_encoded_length_(e) {}

Member Function Documentation

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

overridevirtual

Implements Parser::Expr.

Definition at line 615 of file ParserNode.cpp.

References run_benchmark_import::result.

                                        {
  auto arg_expr = arg_->analyze(catalog, query, allow_tlist_ref);
  if (!arg_expr->get_type_info().is_string()) {
    throw std::runtime_error(
        "expression in char_length clause must be of a string type.");
  }
  std::shared_ptr<Analyzer::Expr> result =
      makeExpr<Analyzer::CharLengthExpr>(arg_expr->decompress(), calc_encoded_length_);
  return result;
}

const Expr* Parser::CharLengthExpr::get_arg ( ) const

inline

Definition at line 456 of file ParserNode.h.

References arg_.

{ return arg_.get(); }

bool Parser::CharLengthExpr::get_calc_encoded_length ( ) const

inline

Definition at line 457 of file ParserNode.h.

References calc_encoded_length_.

{ return calc_encoded_length_; }

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

overridevirtual

Implements Parser::Expr.

Definition at line 2239 of file ParserNode.cpp.

                                          {
  std::string str;
  if (calc_encoded_length_) {
    str = "CHAR_LENGTH (" + arg_->to_string() + ")";
  } else {
    str = "LENGTH (" + arg_->to_string() + ")";
  }
  return str;
}

Member Data Documentation

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

private

Definition at line 465 of file ParserNode.h.

Referenced by get_arg().

bool Parser::CharLengthExpr::calc_encoded_length_

private

Definition at line 466 of file ParserNode.h.

Referenced by get_calc_encoded_length().

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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