db_bridge/main.cpp
author Markus Bröker <mbroeker@largo.dyndns.tv>
Tue, 09 Feb 2010 08:38:01 +0100
changeset 109 3d84eda3f16f
parent 65 76514757b0d6
permissions -rw-r--r--
Derby uses float values here committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/**
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 * db_bridge/main.cpp
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 * Copyright (C) 2008 Markus Broeker
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 */
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#ifdef WITH_POSTGRESQL
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#include <postgresql_db.hpp>
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#else
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#include <mysql_db.hpp>
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#endif
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#include <cstdlib>
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void usage (std::string progname)
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{
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    std::cout << "Benutzung: " << progname << " [-h] [-r <remotehost>] [-u <user>] [-p <password>] DATABASE\n";
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    std::cout << "\t\t-r <remotehost>\t\tVerbindung zu Fremdrechner <remotehost>\n";
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    std::cout << "\t\t-u <user>\t\tAnmeldung als <user>\n";
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    std::cout << "\t\t-p <password>\t\tAnmelden mit dem Passwort <password>\n";
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    std::cout << "\n";
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    std::cout << "\t\tDATABASE\t\tVerbindung zur Datenbank DATABASE herstellen\n";
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    std::cout << "\nBerichten Sie Fehler oder Anregungen an mbroeker@largo.homelinux.org" << std::endl;
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    exit (EXIT_FAILURE);
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}
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int main (int argc, char **argv)
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{
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    Abstract_DB *db;
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    Abstract_DB::DB_ROW vec;
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    Abstract_DB::DB_RESULT result;
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    unsigned int i, j;
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    char c;
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    std::string host, user, pass, database;
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    std::string sql_statement;
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    while ((c = getopt (argc, argv, "r:u:p:h")) >= 0) {
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        switch (c) {
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        case 'r':
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            host = optarg;
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            break;
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        case 'u':
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            user = optarg;
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            break;
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        case 'p':
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            pass = optarg;
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            break;
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        case 'h':
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            usage (argv[0]);
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            break;
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        }
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    }
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    if (optind < argc)
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        database = argv[optind];
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    else
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        usage (argv[0]);
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#ifdef WITH_POSTGRESQL
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    db = new PostgreSQL_DB (host, user, pass, database);
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#else
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    db = new MySQL_DB (host, user, pass, database);
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#endif
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    if (db->connect () == false) {
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        std::cerr << "Kann mich nicht zur Datenbank verbinden." << std::endl;
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        return EXIT_FAILURE;
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    }
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    for (;;) {
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        std::cout << "DB_BRIDGE # ";
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        std::getline (std::cin, sql_statement);
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        if (sql_statement == "quit" || sql_statement == "exit" || sql_statement == "") {
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            std::cout << std::endl;
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            break;
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        }
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        result = db->query (sql_statement);
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        for (i = 0; i < result.size (); i++) {
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            vec = result[i];
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            for (j = 0; j < vec.size (); j++) {
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                std::cout << vec[j] << " ";
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            }
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            std::cout << std::endl;
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        }
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    }
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    delete db;
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    return EXIT_SUCCESS;
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}