pgsqlvalue.cpp

C++连接一写常用数据库的接口

/*
 * PostgresqlValue object defines the needed conversion result values
 * Copyright (C) 2003 Johnathan Ingram, [e-mail]
 *
 * This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later version.
 *
 *   This library is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  US
 *
 */


#include "pgsqlValue.h"
#include "pgsqlOID.h"
#include "dbconnectTypes.h"


// -----------------------------------------------------------------------------
// PRIVATE:
// -----------------------------------------------------------------------------


// -----------------------------------------------------------------------------
// PUBLIC:
// -----------------------------------------------------------------------------


// -----------------------------------------------------------------------------
// PostgresqlValue::PostgresqlValue
// -----------------------------------------------------------------------------
PostgresqlValue::PostgresqlValue(
      const string& bindName,
      Oid _type)
   : 
      BaseValue(bindName) ,
      postgreSQLType(_type)
{ 
   
}  // PostgresqlValue::PostgresqlValue


// -----------------------------------------------------------------------------
// PostgresqlValue::~PostgresqlValue
// -----------------------------------------------------------------------------
PostgresqlValue::~PostgresqlValue()
{ 
   // If the field was a BYTEA type, then the memory of the binary pointer is 
   //   required to be freed.
   if (postgreSQLType == PG_TYPE_BYTEA && valuePtr.ptr)
   {      
      free(valuePtr.ptr);  // Free the memory allocated by PQunescapeBytea
   }
}  // PostgresqlValue::~PostgresqlValue