public void SaveABody(Bodies newBody)
{
// writing to the database is as simple as this...
//var transaction = _dbSession.BeginTransaction();
//_dbSession.Merge(newBody);
//transaction.Commit();
}
static void Main(string[] args)
{
// get a database connection - this will create the database if it doesn't exist so as you test your first passes
// you can just delete the database every time and not worry about mucking about in a db editor
// trying to update tables and data if you make some that are garbage :)
var dbSession = new DatabaseSession();
string[] sampleJson;
string path = @"bodies.json"; // TODO: Handle missing file better. Add possibility to specify path/filename via cmd-line parameter
DateTime beginTime = DateTime.UtcNow;
decimal elapsedTime;
decimal estimatedTotalTime;
int rowCounter = 0;
double batchSize = 100000;
// Handle null-values via settings-parameter
var settings = new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
MissingMemberHandling = MissingMemberHandling.Ignore
};
Console.WriteLine("Starting to read: " + path);
List <Bodies> objects = new List <Bodies>();
foreach (var line in File.ReadLines(path))
{
Bodies newObj = JsonConvert.DeserializeObject <Bodies>(line, settings);
//if (newObj.id.Equals(0)) // filter out records with ID=0, as they are data-artifacts/-leftovers and cause a unique constraint failure
//{
// Console.WriteLine("Line with ID=0 found, skipping entry");
//}
//else
//{
objects.Add(newObj);
rowCounter++;
if ((rowCounter % batchSize) == 0)
{
dbSession.SaveManyTestObjs(objects);
objects = new List <Bodies>();
elapsedTime = Convert.ToInt32((DateTime.UtcNow - beginTime).TotalMilliseconds);
Console.WriteLine("Lines done: " + rowCounter.ToString("#,##0") + " _ elapsedTime (s): " + string.Format("{0:0}", elapsedTime / 1000) + " _ ØPerformance (rows/ms): " + (rowCounter / elapsedTime).ToString("#,##0"));
}
//}
}
dbSession.SaveManyTestObjs(objects);
elapsedTime = Convert.ToInt32((DateTime.UtcNow - beginTime).TotalMilliseconds);
Console.WriteLine("-----------------------------------------");
Console.WriteLine("Total lines: " + rowCounter.ToString("#,##0") + " _ elapsedTime (s): " + string.Format("{0:0}", elapsedTime / 1000) + " _ ØPerformance (rows/ms): " + (rowCounter / elapsedTime).ToString("#,##0"));
Console.WriteLine("Press any key");
do
{
} while (!Console.KeyAvailable);
}
