function migrate(offset, callback) {
//console.log("Connecting to ArangoDB");
var db = arango.Connection("http://localhost:8529/amtub");
//console.log("Connecting to MySQL");
var connection = mysql.createConnection(mysql_credentials);
//connection.connect(...);
// if multiple processes pipe to main process, console log will be messed up, thus ignoring
var arangoimp = child_process.spawn("arangoimp", args, {stdio: ['pipe', 'ignore', 'ignore']});
arangoimp
.on('exit', function(code, signal) {
console.log("\nexit", code, signal);
connection.end(); // close MySQL connection
callback();
});
var encoder = new json_transform.stream();
var query = connection.query('SELECT * FROM ' + source + ' LIMIT ' + offset);
var query_stream = query.stream();
query_stream.pipe(encoder).pipe(arangoimp.stdin);
}
function(err, ret) {
docs = [];
connection.resume();
if (typeof quit == "function") quit();
}
);
}
}
var connection = mysql.createConnection({
host: 'localhost',
user: '******',
password: ''
});
var db = arango.Connection("http://localhost:8529/amtub");
console.log("Connecting to MySQL");
connection.connect();
var query = connection.query('SELECT * FROM _import_mysql.fa_stammdaten');
var i = 0;
query
.on('error', function(err) {
console.log(err);
})
.on('fields', function(fields) {
//console.log(fields);
console.log("Fields:", Object.keys(fields).length);
})