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MySQLResultRow Class Reference
[MySQL C++ Wrappers]

#include <mysqlResultRow.hpp>

Inheritance diagram for MySQLResultRow:

[legend]

Public Member Functions
	MySQLResultRow (MYSQL_ROW _result)
virtual std::string	operator[] (int i) throw (Error)
	Destructor.
virtual void	invalidate (void)
Protected Attributes
MYSQL_ROW	result

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Detailed Description

Class for accessing a single row of an SQL-query's result.

Date:

Thu Mar 03 2005

Author:

Jan Wedekind (wedesoft@users.sourceforge.net)

Definition at line 28 of file mysqlResultRow.hpp.

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Constructor & Destructor Documentation

MySQLResultRow::MySQLResultRow

(

MYSQL_ROW

_result

)

Constructor requiring a handle to a result-row. Use MySQLStatement::fetchRow instead of this constructor.

Definition at line 18 of file mysqlResultRow.cpp.

References result.

                                                 :
  result( _result )
{
  assert( result );
}

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Member Function Documentation

std::string MySQLResultRow::operator[]

(

int

i

)

throw (Error) [virtual]

Destructor.

Operator for retrieving columns.

Parameters:

i

Number of column (starting from 0).

See also:

MySQLStatement::getNumCols

Implements ResultRow.

Definition at line 24 of file mysqlResultRow.cpp.

References ERRORMACRO, and result.

{
  ERRORMACRO( result != NULL, Error, ,
              "Handle of SQL-data was invalidated. Probably "
              "MySQLStatement::~MySQLStatement called before finishing "
              "reading out the results." );

  return result[ i ] != NULL ? result[ i ] : "";
}

virtual void MySQLResultRow::invalidate

(

void

)

[inline, virtual]

Invalidate the row. This method is called by the destructor of MySQLStatement to prevent the MySQLResultRow object from using invalidated data.

Implements ResultRow.

Definition at line 42 of file mysqlResultRow.hpp.

References result.

{ result = NULL; }

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Field Documentation

MYSQL_ROW MySQLResultRow::result [protected]

Definition at line 45 of file mysqlResultRow.hpp.

Referenced by invalidate(), MySQLResultRow(), and operator[]().

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

• mysqlResultRow.hpp
• mysqlResultRow.cpp

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