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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 Exprget_arg () const
 
bool get_calc_encoded_length () const
 
std::shared_ptr< Analyzer::Expranalyze (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< Exprarg_
 
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 451 of file ParserNode.h.

Constructor & Destructor Documentation

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

Definition at line 453 of file ParserNode.h.

453 : arg_(a), calc_encoded_length_(e) {}
constexpr double a
Definition: Utm.h:33
std::unique_ptr< Expr > arg_
Definition: ParserNode.h:463

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 480 of file ParserNode.cpp.

References run_benchmark_import::result.

483  {
484  auto arg_expr = arg_->analyze(catalog, query, allow_tlist_ref);
485  if (!arg_expr->get_type_info().is_string()) {
486  throw std::runtime_error(
487  "expression in char_length clause must be of a string type.");
488  }
489  std::shared_ptr<Analyzer::Expr> result =
490  makeExpr<Analyzer::CharLengthExpr>(arg_expr->decompress(), calc_encoded_length_);
491  return result;
492 }
std::unique_ptr< Expr > arg_
Definition: ParserNode.h:463
const Expr* Parser::CharLengthExpr::get_arg ( ) const
inline

Definition at line 454 of file ParserNode.h.

References arg_.

454 { return arg_.get(); }
std::unique_ptr< Expr > arg_
Definition: ParserNode.h:463
bool Parser::CharLengthExpr::get_calc_encoded_length ( ) const
inline

Definition at line 455 of file ParserNode.h.

References calc_encoded_length_.

455 { return calc_encoded_length_; }
std::string Parser::CharLengthExpr::to_string ( ) const
overridevirtual

Implements Parser::Expr.

Definition at line 1518 of file ParserNode.cpp.

1518  {
1519  std::string str;
1520  if (calc_encoded_length_) {
1521  str = "CHAR_LENGTH (" + arg_->to_string() + ")";
1522  } else {
1523  str = "LENGTH (" + arg_->to_string() + ")";
1524  }
1525  return str;
1526 }
std::unique_ptr< Expr > arg_
Definition: ParserNode.h:463

Member Data Documentation

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

Definition at line 463 of file ParserNode.h.

Referenced by get_arg().

bool Parser::CharLengthExpr::calc_encoded_length_
private

Definition at line 464 of file ParserNode.h.

Referenced by get_calc_encoded_length().


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