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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 DEBIAN

shevek_process

shevek::process(3)					     Library Functions Manual						shevek::process(3)

NAME

       shevek::process -

       Create a process, optionally connection its standard in- and output streams to the calling program.

SYNOPSIS

       #include <process.hh>

       Inherits shevek::refbase.

   Public Member Functions
       Glib::RefPtr< shevek::fd > in ()
	   The standard input pipe, if it was requested.
       Glib::RefPtr< shevek::fd > out ()
	   The standard output pipe, if it was requested.
       Glib::RefPtr< shevek::fd > err ()
	   The standard error pipe, if it was requested.
       pid_t pid ()
	   The process ID.
       ~process ()
	   The destructor. This kills the process if it was still running.

   Static Public Member Functions
       static Glib::RefPtr< process > create (std::string const &command, std::list< std::string > &argv, bool pipe_stdin=true, bool
	   pipe_stdout=true, bool pipe_stderr=true)
	   Create a process from a filename and an argument list.
       static Glib::RefPtr< process > create (std::string const &command, std::list< std::string > &argv, std::list< std::string > const &envp,
	   bool pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true)
	   Create a process from a filename, an argument list and an environment.
       static Glib::RefPtr< process > shell (std::string const &command, bool pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true,
	   std::string const &sh='/bin/sh')
	   Run a string with the shell.
       static std::string run (std::string const &command, std::string const &sh)
	   Run a process and return its output.
       static Glib::RefPtr< process > create (std::string const &command, bool pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true)
	   Create a process without arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, bool pipe_stdin=true, bool pipe_stdout=true, bool
	   pipe_stderr=true)
	   Create a process with one argument.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, bool pipe_stdin=true, bool
	   pipe_stdout=true, bool pipe_stderr=true)
	   Create a process with two arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, std::string const &a3,
	   bool pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true)
	   Create a process with three arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, std::string const &a3,
	   std::string const &a4, bool pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true)
	   Create a process with four arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, std::string const &a3,
	   std::string const &a4, std::string const &a5, bool pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true)
	   Create a process with five arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, std::string const &a3,
	   std::string const &a4, std::string const &a5, std::string const &a6, bool pipe_stdin=true, bool pipe_stdout=true, bool
	   pipe_stderr=true)
	   Create a process with six arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, std::string const &a3,
	   std::string const &a4, std::string const &a5, std::string const &a6, std::string const &a7, bool pipe_stdin=true, bool
	   pipe_stdout=true, bool pipe_stderr=true)
	   Create a process with seven arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, std::string const &a3,
	   std::string const &a4, std::string const &a5, std::string const &a6, std::string const &a7, std::string const &a8, bool
	   pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true)
	   Create a process with eight arguments.
       static Glib::RefPtr< process > create (std::string const &command, std::string const &a1, std::string const &a2, std::string const &a3,
	   std::string const &a4, std::string const &a5, std::string const &a6, std::string const &a7, std::string const &a8, std::string const
	   &a9, bool pipe_stdin=true, bool pipe_stdout=true, bool pipe_stderr=true)
	   Create a process with nine arguments.

Detailed Description
       Create a process, optionally connection its standard in- and output streams to the calling program.

Member Function Documentation
   static std::string shevek::process::run (std::string const &command, std::string const &sh) [static]
       Run a process and return its output. A convenience function for running a process and catching its standard output in a string. This blocks
       until the process has exited.

   static Glib::RefPtr<process> shevek::process::shell (std::string const &command, boolpipe_stdin = true, boolpipe_stdout = true, boolpipe_stderr
       = true, std::string const &sh = '/bin/sh') [inline, static]
       Run a string with the shell. Note that the process is forked from the shell, and so does not get killed when the process goes away.

Author
       Generated automatically by Doxygen for libshevek from the source code.

libshevek							  Fri May 11 2012						shevek::process(3)
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