90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
/***********************************************************************
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ssqls1.cpp - Example that produces the same results as simple1, but it
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uses a Specialized SQL Structure to store the results instead of a
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MySQL++ Result object.
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Copyright (c) 1998 by Kevin Atkinson, (c) 1999-2001 by MySQL AB, and
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(c) 2004-2009 by Educational Technology Resources, Inc. Others may
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also hold copyrights on code in this file. See the CREDITS.txt file
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in the top directory of the distribution for details.
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This file is part of MySQL++.
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MySQL++ is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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MySQL++ is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with MySQL++; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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USA
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***********************************************************************/
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#include "cmdline.h"
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#include "printdata.h"
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#include "stock.h"
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#include <iostream>
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#include <vector>
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using namespace std;
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int
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main(int argc, char *argv[])
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{
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// Get database access parameters from command line
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mysqlpp::examples::CommandLine cmdline(argc, argv);
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if (!cmdline) {
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return 1;
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}
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try {
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// Establish the connection to the database server.
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mysqlpp::Connection con(mysqlpp::examples::db_name,
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cmdline.server(), cmdline.user(), cmdline.pass());
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// Retrieve a subset of the stock table's columns, and store
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// the data in a vector of 'stock' SSQLS structures. See the
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// user manual for the consequences arising from this quiet
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// ability to store a subset of the table in the stock SSQLS.
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mysqlpp::Query query = con.query("select item,description from stock");
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vector<stock> res;
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query.storein(res);
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// Display the items
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cout << "We have:" << endl;
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vector<stock>::iterator it;
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for (it = res.begin(); it != res.end(); ++it) {
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cout << '\t' << it->item;
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if (it->description != mysqlpp::null) {
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cout << " (" << it->description << ")";
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}
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cout << endl;
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}
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}
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catch (const mysqlpp::BadQuery& er) {
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// Handle any query errors
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cerr << "Query error: " << er.what() << endl;
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return -1;
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}
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catch (const mysqlpp::BadConversion& er) {
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// Handle bad conversions; e.g. type mismatch populating 'stock'
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cerr << "Conversion error: " << er.what() << endl <<
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"\tretrieved data size: " << er.retrieved <<
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", actual size: " << er.actual_size << endl;
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return -1;
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}
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catch (const mysqlpp::Exception& er) {
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// Catch-all for any other MySQL++ exceptions
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cerr << "Error: " << er.what() << endl;
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return -1;
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}
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return 0;
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}
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