public PostgresStore()
{
var context = new PGCache(_connectionStringName);
// Build a table to play with from scratch each time:
if (context.TableExists("client")) {
context.DropTable("client");
}
var columnDefs = new List<string>();
columnDefs.Add("client_id serial PRIMARY KEY NOT NULL");
columnDefs.Add("last_name Text NOT NULL");
columnDefs.Add("first_name Text NOT NULL");
columnDefs.Add("email Text NOT NULL");
context.CreateTable("client", columnDefs);
}
public BiggyListWithPG()
{
var _cache = new PGCache(_connectionStringName);
// Build a table to play with from scratch each time:
if (_cache.TableExists("client")) {
_cache.DropTable("client");
}
var columnDefs = new List<string>();
columnDefs.Add("client_id serial PRIMARY KEY NOT NULL");
columnDefs.Add("last_name Text NOT NULL");
columnDefs.Add("first_name Text NOT NULL");
columnDefs.Add("email Text NOT NULL");
_cache.CreateTable("client", columnDefs);
_clients = new BiggyList<Client>(new PGStore<Client>(_connectionStringName));
}
public PostgresStoreWithCompositePk()
{
var context = new PGCache(_connectionStringName);
// Build a table to play with from scratch each time:
if (context.TableExists("property")) {
context.DropTable("property");
}
if (context.TableExists("building")) {
context.DropTable("building");
}
var columnDefs = new List<string>();
columnDefs.Add("property_id integer NOT NULL");
columnDefs.Add("building_id integer NOT NULL");
columnDefs.Add("name Text NOT NULL");
columnDefs.Add("PRIMARY KEY (property_id, building_id)");
context.CreateTable("building", columnDefs);
var cache = new PGCache("chinookPG");
_propertyStore = new PGStore<Property>(cache);
_buildingStore = new PGStore<Building>(cache);
}
public static void Run()
{
var sw = new Stopwatch();
Console.WriteLine("===========================================================");
Console.WriteLine("Postgres - SOME FANCY QUERYING");
Console.WriteLine("===========================================================");
var _db = new PGCache(_connectionStringName);
IBiggy<Artist> _artists;
IBiggy<Album> _albums;
IBiggy<Track> _tracks;
Console.WriteLine("Loading up Artists from Chinook...");
sw.Start();
_artists = new BiggyList<Artist>(new PGStore<Artist>(_db));
sw.Stop();
Console.WriteLine("\tLoaded {0} Artist records in {1} ms", _artists.Count(), sw.ElapsedMilliseconds);
Console.WriteLine("Loading up Albums from Chinook...");
sw.Reset();
sw.Start();
_albums = new BiggyList<Album>(new PGStore<Album>(_db));
sw.Stop();
Console.WriteLine("\tLoaded {0} Albums in {1} ms", _artists.Count(), sw.ElapsedMilliseconds);
Console.WriteLine("Loading up tracks from Chinook...");
sw.Reset();
sw.Start();
_tracks = new BiggyList<Track>(new PGStore<Track>(_db));
sw.Stop();
Console.WriteLine("\tLoaded {0} Tracks in {1} ms", _tracks.Count(), sw.ElapsedMilliseconds);
Console.WriteLine("Grab the record for AC/DC...");
sw.Reset();
sw.Start();
var acdc = _artists.FirstOrDefault(a => a.Name == "AC/DC");
sw.Stop();
Console.WriteLine("\tFound AC/DC from memory in {0} ms", sw.ElapsedMilliseconds);
Console.WriteLine("Find all the albums by AC/DC ...");
sw.Reset();
sw.Start();
var acdcAlbums = _albums.Where(a => a.ArtistId == acdc.ArtistId);
sw.Stop();
Console.WriteLine("\tFound All {0} AC/DC albums from memory in {1} ms", acdcAlbums.Count(), sw.ElapsedMilliseconds);
Console.WriteLine("Find all the Tracks from Albums by AC/DC ...");
sw.Reset();
sw.Start();
var acdcTracks = from t in _tracks
join a in acdcAlbums on t.AlbumId equals a.AlbumId
select t;
sw.Stop();
Console.WriteLine("\tFound All {0} tracks by ACDC using in-memory JOIN in {1} ms:", acdcTracks.Count(), sw.ElapsedMilliseconds);
foreach (var track in acdcTracks)
{
Console.WriteLine("\t-{0}", track.Name);
}
Console.WriteLine(Environment.NewLine);
Console.WriteLine("===========================================================");
Console.WriteLine("POSTGES - BASIC CRUD OPERATIONS");
Console.WriteLine("===========================================================");
IBiggy<Customer> _customers;
sw.Reset();
Console.WriteLine("Loading up customers from Chinook...");
sw.Start();
_customers = new BiggyList<Customer>(new PGStore<Customer>(_db));
sw.Stop();
Console.WriteLine("\tLoaded {0} records in {1}ms", _customers.Count(), sw.ElapsedMilliseconds);
sw.Reset();
Console.WriteLine("INSERTING a NEW Customer into Chinook...");
var newCustomer = new Customer() { LastName = "Atten", FirstName = "John", Email = "*****@*****.**" };
sw.Start();
_customers.Add(newCustomer);
sw.Stop();
Console.WriteLine("\tWrote 1 record for a new count of {0} records in {1} ms", _customers.Count(), sw.ElapsedMilliseconds);
sw.Reset();
Console.WriteLine("UPDATING the new Customer record in Chinook...");
newCustomer.FirstName = "Fred";
sw.Start();
_customers.Update(newCustomer);
sw.Stop();
Console.WriteLine("\tUpdated 1 record for a new count of {0} records in {1} ms", _customers.Count(), sw.ElapsedMilliseconds);
sw.Reset();
Console.WriteLine("DELETE the new Customer record in Chinook...");
sw.Start();
_customers.Remove(newCustomer);
sw.Stop();
Console.WriteLine("\tDeleted 1 record for a new count of {0} records in {1} ms", _customers.Count(), sw.ElapsedMilliseconds);
Console.WriteLine(Environment.NewLine);
Console.WriteLine("===========================================================");
Console.WriteLine("POSTGES - BULK INSERTS AND DELETIONS");
Console.WriteLine("===========================================================");
Console.WriteLine("Creating Test Table...");
if(_db.TableExists("client"))
{
_db.DropTable("client");
}
var columnDefs = new List<string>();
columnDefs.Add("client_id serial PRIMARY KEY NOT NULL");
columnDefs.Add("last_name Text NOT NULL");
columnDefs.Add("first_name Text NOT NULL");
columnDefs.Add("email Text NOT NULL");
_db.CreateTable("client", columnDefs);
IBiggy<Client> _clients;
sw.Reset();
int INSERT_QTY = 10000;
Console.WriteLine("BULK INSERTING {0} client records in Chinook...", INSERT_QTY);
_clients = new BiggyList<Client>(new PGStore<Client>(_db));
var inserts = new List<Client>();
for (int i = 0; i < INSERT_QTY; i++)
{
inserts.Add(new Client() { LastName = string.Format("Atten {0}", i.ToString()), FirstName = "John", Email = "*****@*****.**" });
}
sw.Start();
var inserted = _clients.Add(inserts);
sw.Stop();
Console.WriteLine("\tInserted {0} records in {1} ms", inserted.Count(), sw.ElapsedMilliseconds);
sw.Reset();
Console.WriteLine("Loading up Bulk inserted CLients from Chinook...");
sw.Start();
_clients = new BiggyList<Client>(new PGStore<Client>(_db));
sw.Stop();
Console.WriteLine("\tLoaded {0} records in {1}ms", _clients.Count(), sw.ElapsedMilliseconds);
sw.Reset();
Console.WriteLine("DELETING added records from Chinook...");
var toRemove = _clients.Where(x => x.Email == "*****@*****.**");
sw.Start();
var removed = _clients.Remove(toRemove.ToList());
sw.Stop();
Console.WriteLine("\tDeleted {0} records in {1}ms", removed.Count(), sw.ElapsedMilliseconds);
}