node-query/node_modules/mysql2/examples/mysqlproxy.js

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var mysql = require('../index.js');
var server = mysql.createServer();
server.listen(3307);
server.on('connection', function(conn) {
console.log('connection');
conn.serverHandshake({
protocolVersion: 10,
serverVersion: 'node.js rocks',
connectionId: 1234,
statusFlags: 2,
characterSet: 8,
capabilityFlags: 0xffffff
});
conn.on('field_list', function(table, fields) {
console.log('field list:', table, fields);
conn.writeEof();
});
var remote = mysql.createConnection({user: 'root', database: 'dbname', host:'server.example.com', password: 'secret'});
conn.on('query', function(sql) {
console.log('proxying query:' + sql);
remote.query(sql, function(err) { // overloaded args, either (err, result :object)
// or (err, rows :array, columns :array)
if (Array.isArray(arguments[1])) {
// response to a 'select', 'show' or similar
var rows = arguments[1], columns = arguments[2];
console.log('rows', rows);
console.log('columns', columns);
conn.writeTextResult(rows, columns);
} else {
// response to an 'insert', 'update' or 'delete'
var result = arguments[1];
console.log('result', result);
conn.writeOk(result);
}
});
});
conn.on('end', remote.end.bind(remote));
});