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Full Discussion: Trubble in executing the cpp program...
Top Forums Programming Trubble in executing the cpp program... Post 302248876 by ps_sach on Monday 20th of October 2008 02:55:00 AM
Old 10-20-2008
MySQL Can't get the output...
I wrote a code like this.......

#include <iostream>
#include <stdio.h>
#include <mysql.h>
#include <string.h>
#include <stdlib.h>

using namespace std;

#include "Connection.h"


int main()
{
char *Host = (char *)"localhost";
char *Database =(char *)"sachin";
char *UserId =(char *)"root";
char *Password =NULL;
Result *result;
char *query;
Connection DbConnection(Host, Database, UserId, Password);
query="select * from the test"; // test is my database
result = DbConnection.Query(query); // perform the required database operation..


return 0;
}

Connection is the class & have connect function that just took the 4 arguments & establishes the connection to the mysql server ...Also Query is the function defined in connection class.

I m getting output as -
$g++ -c -I/usr/include/mysql Main.cpp
$ g++ -o Main Main.o -L/usr/lib/mysql -lmysqlclient
$./Main
terminate called after throwing an instance of 'char const*'
Aborted

I don't know why i m getting this output. I think it is related to the library.......

Can any one help me......
Last edited by ps_sach; 10-20-2008 at 05:45 AM..
 

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LEARN ABOUT CENTOS

std::exception

std::exception(3)					     Library Functions Manual						 std::exception(3)

NAME

       std::exception -

SYNOPSIS

       Inherited by __gnu_cxx::__concurrence_broadcast_error, __gnu_cxx::__concurrence_lock_error, __gnu_cxx::__concurrence_unlock_error,
       __gnu_cxx::__concurrence_wait_error, __gnu_cxx::forced_error, __gnu_cxx::recursive_init_error, std::bad_alloc, std::bad_cast,
       std::bad_exception, std::bad_function_call, std::bad_typeid, std::bad_weak_ptr, std::ios_base::failure, std::logic_error, and
       std::runtime_error.

   Public Member Functions
       virtual const char * what () const noexcept

Detailed Description
       Base class for all library exceptions.

       This is the base class for all exceptions thrown by the standard library, and by certain language expressions. You are free to derive your
       own exception classes, or use a different hierarchy, or to throw non-class data (e.g., fundamental types).

       Definition at line 60 of file exception.

Member Function Documentation
   virtual const char* std::exception::what () const [virtual],  [noexcept]
       Returns a C-style character string describing the general cause of the current error.

       Reimplemented in std::bad_function_call, std::ios_base::failure, std::bad_typeid, std::bad_cast, std::runtime_error, std::future_error,
       std::bad_exception, std::logic_error, std::bad_weak_ptr, and std::bad_alloc.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Jun 10 2014						 std::exception(3)
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