ODBCResultRow Class Reference

#include <odbcResultRow.hpp>

Inheritance diagram for ODBCResultRow:

[legend]

Public Member Functions
	ODBCResultRow (SQLHSTMT _statement)
virtual std::string	operator[] (int i) throw (Error)
virtual void	invalidate (void)
Protected Attributes
SQLHSTMT	statement

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Detailed Description

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

Deprecated:

{The ODBC classes are not in use at the moment}

Date:

Thu Mar 03 2005

Author:

Jan Wedekind (wedesoft@users.sourceforge.net)

Definition at line 27 of file odbcResultRow.hpp.

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Constructor & Destructor Documentation

ODBCResultRow::ODBCResultRow

(

SQLHSTMT

_statement

)

Constructor requiring a statement handle. Use ODBCStatement::fetchRow instead of this constructor.

Definition at line 19 of file odbcResultRow.cpp.

References statement.

00020                                                  :
00021   statement( aStatement )
00022 {
00023   assert( statement );
}

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Member Function Documentation

virtual void ODBCResultRow::invalidate

(

void

)

[inline, virtual]

Invalidate the row. This method is called by the destructor of ODBCStatement to prevent the ODBCResultRow object from using an invalid SQL-query handle.

Implements ResultRow.

Definition at line 40 of file odbcResultRow.hpp.

References statement.

{ statement = NULL; }

std::string ODBCResultRow::operator[]

(

int

i

)

throw (Error) [virtual]

Operator for retrieving columns.

Parameters:

i

Number of column (starting from 0).

See also:

ODBCStatement::getNumCols

Implements ResultRow.

Definition at line 25 of file odbcResultRow.cpp.

References ERRORMACRO.

{
  ERRORMACRO( statement != NULL, Error, ,
              "Handle of SQL-query was invalidated. Probably "
              "ODBCStatement::~ODBCStatement called before finishing "
              "reading out the results." );
  SQLCHAR result[ 65536 ];
#ifdef SQLLEN
  SQLLEN length;
#else
  long length;
#endif

  SQLGetData( statement, i + 1, SQL_C_CHAR, (SQLPOINTER)result,
              sizeof(result), &length );
  assert( length < (signed)sizeof(result) );

  assert( sizeof(SQLCHAR) == sizeof(char) );
  if ( length != SQL_NULL_DATA )
    return std::string( (char *)result );
  else
    return std::string();
}

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Field Documentation

SQLHSTMT ODBCResultRow::statement [protected]

Definition at line 43 of file odbcResultRow.hpp.

Referenced by invalidate(), and ODBCResultRow().

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

• odbcResultRow.hpp
• odbcResultRow.cpp