public static List<ArtistDocument> GetSampleArtistDocuments(int qty = 1000, int qtyAlbumsPerArtist = 5, int qtyTracksPerAlbum = 8) {
var newArtists = new List<ArtistDocument>();
int albumIdIndex = 1;
int trackIdIndex = 1;
for (int i = 1; i <= qty; i++) {
var newArtist = new ArtistDocument { ArtistDocumentId = i, Name = "New Artist " + i };
for (int j = 1; j <= qtyAlbumsPerArtist; j++) {
var newAlbum = new AlbumDocument { AlbumId = albumIdIndex, ArtistId = newArtist.ArtistDocumentId, Title = newArtist.Name + ": Super Awesome Album #" + i };
for (int k = 1; k <= qtyTracksPerAlbum; k++) {
var newTrack = new Track { TrackId = trackIdIndex, AlbumId = newAlbum.AlbumId, Name = "Album " + newAlbum.Title + "/Track " + i };
newAlbum.Tracks.Add(newTrack);
trackIdIndex++;
}
newArtist.Albums.Add(newAlbum);
albumIdIndex++;
}
newArtists.Add(newArtist);
}
return newArtists;
}
public void Run() {
Console.WriteLine("Postgres Document Demo - TEST DATA");
Console.WriteLine("====================================");
Console.WriteLine("Initialize Test Db");
var sw = new Stopwatch();
sw.Start();
_testDb = new PgChinookDb("biggy_test", dropCreateTables: true);
sw.Stop();
Console.WriteLine("Initialized and reset PG database in {0} MS", sw.ElapsedMilliseconds);
Console.WriteLine("Write some complex artist documents, with nested albums and tracks, from sample data...");
int qtyArtists = 1000;
int qtyAlbumsPerArtist = 5;
int qtyTracksPerAlbum = 8;
var sampleArtistDocuments = SampleData.GetSampleArtistDocuments(qtyArtists, qtyAlbumsPerArtist, qtyTracksPerAlbum);
sw.Reset();
sw.Start();
_testDb.ArtistDocuments.Add(sampleArtistDocuments);
sw.Stop();
Console.WriteLine("Wrote {0} artist document records in {1} ms", sampleArtistDocuments.Count, sw.ElapsedMilliseconds);
Console.WriteLine("Total of {0} artists, {1} albums, and {2} tracks nested in artist documents",
qtyArtists, qtyArtists * qtyAlbumsPerArtist, qtyArtists * qtyAlbumsPerArtist * qtyTracksPerAlbum);
Console.WriteLine("");
Console.WriteLine("Re-Initialize Db and read all that data from back-end...");
sw.Reset();
sw.Start();
_testDb.LoadData();
sw.Stop();
Console.WriteLine("Read all data from store in {0} ms", sw.ElapsedMilliseconds);
Console.WriteLine("{0} complex artist documents", _testDb.ArtistDocuments.Count);
foreach (var artist in sampleArtistDocuments) {
artist.Name = "UPDATED " + artist.ArtistDocumentId;
artist.Albums.FirstOrDefault().Title = "UPDATED ALBUM";
}
sw.Reset();
sw.Start();
_testDb.ArtistDocuments.Update(sampleArtistDocuments);
sw.Stop();
Console.WriteLine("Updated {0} artist documents in {1} ms", sampleArtistDocuments.Count, sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
_testDb.ArtistDocuments.Remove(sampleArtistDocuments);
sw.Stop();
Console.WriteLine("Removed {0} artist documents in {1} ms", sampleArtistDocuments.Count, sw.ElapsedMilliseconds);
Console.WriteLine("");
Console.WriteLine("Postgres Document Demo - CHINOOK DATA");
Console.WriteLine("=======================================");
Console.WriteLine("Now let's use some actual data from Chinook Db to build some documents...");
sw.Reset();
sw.Start();
_chinookDb = new PgChinookDb("chinook-pg");
sw.Stop();
Console.WriteLine("Initialized Chinook data in {0} ms - loaded:", sw.ElapsedMilliseconds);
Console.WriteLine("{0} Artists", _chinookDb.Artists.Count);
Console.WriteLine("{0} Albums", _chinookDb.Albums.Count);
Console.WriteLine("{0} Tracks", _chinookDb.Tracks.Count);
Console.WriteLine("");
Console.WriteLine("Nest chinook albums and tracks under artists complex documents and save");
Console.WriteLine("=======================================================================");
Console.WriteLine("");
Console.WriteLine("Clear previous data from artist documents table...");
int qtyRecordsToDelete = _testDb.ArtistDocuments.Count;
sw.Start();
_testDb.ArtistDocuments.Clear();
sw.Stop();
Console.WriteLine("tDeleted {0} artist document records in {1} ms", qtyRecordsToDelete, sw.ElapsedMilliseconds);
Console.WriteLine("");
Console.WriteLine("Create artist documents using chinook data...");
sw.Reset();
sw.Start();
var artistDocumentsToAdd = new List<ArtistDocument>();
// Read from Chinook db, and combine artist, album, and track info into documents:
foreach (var artist in _chinookDb.Artists) {
var newArtistDoc = new ArtistDocument { ArtistDocumentId = artist.ArtistId, Name = artist.Name };
var artistAlbums = (from a in _chinookDb.Albums where a.ArtistId == artist.ArtistId select a).ToList();
foreach (var album in artistAlbums) {
var newAlbumDocument = new AlbumDocument { AlbumId = album.AlbumId, ArtistId = album.ArtistId, Title = album.Title };
var albumTracks = from t in _chinookDb.Tracks where t.AlbumId == album.AlbumId select t;
foreach (var track in albumTracks) {
newAlbumDocument.Tracks.Add(new Track { TrackId = track.TrackId, AlbumId = newAlbumDocument.AlbumId, Name = track.Name });
}
newArtistDoc.Albums.Add(newAlbumDocument);
}
artistDocumentsToAdd.Add(newArtistDoc);
}
sw.Stop();
Console.WriteLine("");
Console.WriteLine("Read \r\n{0} artists, \r\n{1} albums, and \r\n{2} tracks \r\nfrom Chinook and assembled into complex artist documents in {3} ms",
_chinookDb.Artists.Count, _chinookDb.Albums.Count, _chinookDb.Tracks.Count, sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
_testDb.ArtistDocuments.Add(artistDocumentsToAdd);
sw.Stop();
Console.WriteLine("");
Console.WriteLine("Wrote all {0} complex artist documents to PG Store in {1} ms", _testDb.ArtistDocuments.Count, sw.ElapsedMilliseconds);
}