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Thread: Trying to use SQLAPI++ with my cpp program to connect to oracle database

  1. #1

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    Trying to use SQLAPI++ with my cpp program to connect to oracle database

    Hey guys! This is my first post in this forum. I've recently started using visual studio for writing programs in c++. I was using CodeBlocks before. I want to use the oracle database with my c++ program so i went and downloaded the SQLAPI++ library. I tried to write a program to see if i could connect to the database but i'm getting a linker error. Here's my code-
    Code:
    #include<iostream>
    #include<SQLAPI.h>
    
    using namespace std;
    
    int main()
    {
        //string str("Data Source=LIBRARY;User Id=my_db_username;Password=my_db_password;Integrated Security=no;");
        //cout << str.length() << endl;
        SAConnection conn;
        try
        {
            conn.Connect("LIBRARY", "my_db_username", "my_db_password", SA_ODBC_Client);
            //LIBRARY is a user dsn that i created by using the odbc 64-bit admin. tool in the user dsn tab. I used the "Oracle in instantclient_18_5" driver for it.
            if (conn.isConnected() == TRUE)
            {
                cout << "Connected successfully" << endl;
                conn.Disconnect();
                cout << "Disconnected successfully" << endl;
            }
            else
                cout << "Failed to connect" << endl;
        }
        catch (SAException& a)
        {
            cout << endl << "failed miserably..." << endl;
        }
    }
    These are the errors that i get-
    Code:
    Severity	Code	Description	Project	File	Line	Suppression State
    Warning	C4101	'a': unreferenced local variable	DBtest	C:\Users\source\repos\DBtest\DBtest.cpp	24	
    Severity	Code	Description	Project	File	Line	Suppression State
    Error	LNK1107	invalid or corrupt file: cannot read at 0x2D8	DBtest	D:\Backup New 2k19\CodeBlocks\SQLAPI\vs2019\bin\sqlapi.dll	1
    I don't know what to do >.<

  2. #2

    Thread Starter
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    Re: Trying to use SQLAPI++ with my cpp program to connect to oracle database

    I changed a few things in the linker settings and now the debugger shows this-
    Code:
    Setting breakpoints
    Debugger name and version: GNU gdb (GDB) 7.9.1
    Child process PID: 16372
    In __cxa_throw () ()
    3111	odbcClient.cpp: No such file or directory.
    #1  0x00426f02 in odbcAPI::Check (this=0x9e7fe8, sCommandText=..., return_code=-1, HandleType=2, Handle=0x9e8638) at odbcClient.cpp:3111
    In __cxa_get_globals () ()
    215	odbcAPI.cpp: No such file or directory.
    #3  0x0049105b in odbcAPI::Check (this=0x9e7fe8, return_code=-1, HandleType=2, Handle=0x9e8638) at odbcAPI.cpp:215
    Cannot open file: ../../../../../src/gcc-5.1.0/libgcc/unwind-sjlj.c
    At ../../../../../src/gcc-5.1.0/libgcc/unwind-sjlj.c:126
    Debugger finished with status 0

  3. #3

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    Re: Trying to use SQLAPI++ with my cpp program to connect to oracle database

    Aight it's fixed now.

  4. #4
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    Jan 2020
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    4,071

    Re: Trying to use SQLAPI++ with my cpp program to connect to oracle database

    Quote Originally Posted by Lawliette View Post
    Aight it's fixed now.
    how to use sqlapi++ on vb6?

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