}//O(1) public void checkOrders(ref LinkedList <Order> orders) { while (orders.Count != 0) { orders.RemoveFirst(); } using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT DISTINCT \"Order ID\", \"Product Number\", \"Products\".\"Name\", \"Customer ID\", \"First name\" || ' ' || \"Last name\" as \"Customer name\" , \"Quantity\" FROM \"Orderd\" JOIN \"Products\" ON \"Orderd\".\"Product Number\" = \"Products\".\"Product number\" JOIN \"Customers\" ON \"Orderd\".\"Customer ID\" = \"Customers\".\"ID\"", this.con)) using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { orders.AddLast(new Order(reader.GetInt32(0), reader.GetInt32(1), reader.GetString(2), reader.GetInt32(3), reader.GetString(4), reader.GetInt32(5))); } this.sort.sortOrders(ref orders); }//O(N)
public static Int32?GetInt32OrNull(this READER reader, int ordinal) { if (reader.IsDBNull(ordinal)) { return(null); } else { return(reader.GetInt32(ordinal)); } }
}//O(N) public bool supplierExists(int id) //checks if supplier exists and return true if doesn't exists { using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT COUNT(*) FROM \"Suppliers\" WHERE \"ID\" = @ID", this.con)) { execute.Parameters.AddWithValue("ID", id); using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { id = reader.GetInt32(0); } } return(id == 0); }//O(1)
}//O(1) public bool isSupplierGotItems(int id) //check is supplier got items, return true if does { using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT COUNT(*) FROM \"Products\" WHERE \"Supplier\" = @ID", this.con)) { execute.Parameters.AddWithValue("ID", id); using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { id = reader.GetInt32(0); } } return(id != 0); }//O(1)
}//O(1) public bool isCustomerOrdered(int id) //checks if customer has an open order, if does reuturn true { using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT COUNT(*) FROM \"Orderd\" WHERE \"Customer ID\" = @ID", this.con)) { execute.Parameters.AddWithValue("ID", id); using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { id = reader.GetInt32(0); } } return(id != 0); }//O(1)
}//O(1) public bool isProductExists(int id) //check if product exists, if doesn't returns true { using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT COUNT(*) FROM \"Products\" WHERE \"Product number\" = @ID", this.con)) { execute.Parameters.AddWithValue("ID", id); using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { id = reader.GetInt32(0); } } return(id == 0); }//O(1)
public void CarregarAluno(NpgsqlDataReader dr) { Model.Aluno objAluno = new Model.Aluno(); if (dr.Read()) { objAluno.Nome = dr.IsDBNull(dr.GetOrdinal("nm_usuario")) ? string.Empty : dr.GetString(dr.GetOrdinal("nm_usuario")); objAluno.Email = dr.IsDBNull(dr.GetOrdinal("email_usuario")) ? string.Empty : dr.GetString(dr.GetOrdinal("email_usuario")); objAluno.Senha = dr.IsDBNull(dr.GetOrdinal("senha_usuario")) ? string.Empty : dr.GetString(dr.GetOrdinal("senha_usuario")); objAluno.Id = dr.IsDBNull(dr.GetOrdinal("id_usuario")) ? 0 : dr.GetInt32(dr.GetOrdinal("id_usuario")); Model.Session.Session.Aluno = objAluno; } else { throw new ExceptionDAL("Não foi possível logar usuário"); } }
}//O(1) public void checkCustomers(ref LinkedList <Customer> customers) { while (customers.Count != 0) { customers.RemoveFirst(); } using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT * FROM \"Customers\"", this.con)) using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { customers.AddLast(new Customer(reader.GetInt32(0), reader.GetString(1), reader.GetString(2), reader.GetString(3), reader.GetString(4))); } this.sort.sortCustomers(ref customers); }//O(N)
}//O(1) public void checkSuppliers(ref LinkedList <Supply> suppliers) //get all suppliers { while (suppliers.Count != 0) { suppliers.RemoveFirst(); } using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT * FROM \"Suppliers\"", this.con)) using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { suppliers.AddLast(new Supply(reader.GetInt32(0), reader.GetString(1), reader.GetString(2), reader.GetString(3))); } this.sort.sortSuppliers(ref suppliers); }//O(N)
}//O(1) public void checkProducts(ref LinkedList <Product> products) { while (products.Count != 0) { products.RemoveFirst(); } using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT \"Product number\", \"Name\", \"First name\" || ' ' || \"Last name\" as \"supplier\", \"ID\", \"Mail\" FROM \"Products\" JOIN \"Suppliers\" ON \"Products\".\"Supplier\" = \"Suppliers\".\"ID\"", this.con)) using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { products.AddLast(new Product(reader.GetInt32(0), reader.GetString(1), reader.GetString(2), reader.GetInt32(3), reader.GetString(4))); } this.sort.sortProducts(ref products); }//O(N)
}//O(1) public void allSupplierItems(ref LinkedList <AllSupplierItems> allSupplierItems, int id) //shows all products from that seller { while (allSupplierItems.Count != 0) { allSupplierItems.RemoveFirst(); } using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT * FROM \"Products\" WHERE \"Supplier\" = @ID", this.con)) { execute.Parameters.AddWithValue("ID", id); using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { allSupplierItems.AddLast(new AllSupplierItems(reader.GetInt32(0), reader.GetString(1))); } } this.sort.sortSupplierItems(ref allSupplierItems); }//O(N)
}//O(1) public void customerOrder(ref LinkedList <CustomerOrder> allCustomerOrder, int id) //get all customer orders { while (allCustomerOrder.Count != 0) { allCustomerOrder.RemoveFirst(); } using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT \"Order ID\", \"Product Number\", \"Name\", \"Quantity\" FROM \"Orderd\" JOIN \"Products\" ON \"Orderd\".\"Product Number\" = \"Products\".\"Product number\" WHERE \"Customer ID\" = @ID", this.con)) { execute.Parameters.AddWithValue("ID", id); using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) { allCustomerOrder.AddLast(new CustomerOrder(reader.GetInt32(0), reader.GetInt32(1), reader.GetString(2), reader.GetInt32(3))); } } this.sort.sortCustomerOrder(ref allCustomerOrder); }//O(N)
}//O(1) //orders: public void addOrder(int product, int customer, int amount) { int count = 0; //auto order pk using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("SELECT COUNT(*) FROM \"Orderd\"", this.con)) using (Npgsql.NpgsqlDataReader reader = execute.ExecuteReader()) while (reader.Read()) //count query result always 1 row, so it's one iteration { count = reader.GetInt32(0) + 1; } using (Npgsql.NpgsqlCommand execute = new NpgsqlCommand("INSERT INTO \"Orderd\"(\"Order ID\", \"Product Number\", \"Customer ID\", \"Quantity\") VALUES (@PK, @ProID, @CusID, @quantity)", this.con)) { execute.Parameters.AddWithValue("PK", count); execute.Parameters.AddWithValue("ProID", product); execute.Parameters.AddWithValue("CusID", customer); execute.Parameters.AddWithValue("quantity", amount); execute.ExecuteNonQuery(); } }//O(1)
public static T GetEnum <T>(this READER reader, int ordinal) where T : Enum { return((T)(object)reader.GetInt32(ordinal)); }
public static Int32 GetInt32OrDefault(this READER reader, int ordinal) => reader.IsDBNull(ordinal) ? default : reader.GetInt32(ordinal);
private Resposta carregar(NpgsqlDataReader data_reader) { Resposta resposta = new Resposta(); resposta.id_resposta = data_reader.IsDBNull(data_reader.GetOrdinal("ID_RESPOSTA")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_RESPOSTA")); resposta.Ds_resposta = data_reader.IsDBNull(data_reader.GetOrdinal("DS_RESPOSTA")) ? "" : data_reader.GetString(data_reader.GetOrdinal("DS_RESPOSTA")); resposta.FL_correta = data_reader.IsDBNull(data_reader.GetOrdinal("FL_CORRETA")) ? false : data_reader.GetBoolean(data_reader.GetOrdinal("FL_CORRETA")); resposta.Questao_obj.Id_questao = data_reader.IsDBNull(data_reader.GetOrdinal("ID_QUESTAO")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_QUESTAO")); resposta.Dt_cadastro = data_reader.IsDBNull(data_reader.GetOrdinal("DT_CADASTRO")) ? DateTime.MinValue : data_reader.GetDateTime(data_reader.GetOrdinal("DT_CADASTRO")); return resposta; }
private Sindico PreencherObjeto(NpgsqlDataReader dataReader) { int i = 0; Sindico obj = new Sindico(); obj.Id = dataReader.GetInt32(i++); obj.Id_endereco = dataReader.GetInt32(i++); obj.Id_condominio = dataReader.GetInt32(i++); obj.Nome = dataReader.GetString(i++); obj.Cpf = dataReader.GetString(i++); obj.Rg = dataReader.GetString(i++); return obj; }
public Usuario carregar(NpgsqlDataReader data_reader) { Usuario consulta = new Usuario(); consulta.Id_usuario = data_reader.IsDBNull(data_reader.GetOrdinal("ID_USUARIO")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_USUARIO")); int id_tipo_usuario = consulta.Id_usuario = data_reader.IsDBNull(data_reader.GetOrdinal("ID_TIPO_USUARIO")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_TIPO_USUARIO")); if (id_tipo_usuario == (int)Tipo_usuario.ADMINISTRADOR) { consulta.Tipo = Tipo_usuario.ADMINISTRADOR; } else if (id_tipo_usuario == (int)Tipo_usuario.ALUNO) { consulta.Tipo = Tipo_usuario.ALUNO; } else { consulta.Tipo = Tipo_usuario.NONE; } consulta.Nm_usuario = data_reader.IsDBNull(data_reader.GetOrdinal("NM_USUARIO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("NM_USUARIO")); consulta.Email_usuario = data_reader.IsDBNull(data_reader.GetOrdinal("EMAIL_USUARIO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("EMAIL_USUARIO")); consulta.Senha_usuario = data_reader.IsDBNull(data_reader.GetOrdinal("SENHA_USUARIO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("SENHA_USUARIO")); consulta.Link_imagem_usuario = data_reader.IsDBNull(data_reader.GetOrdinal("LINK_IMAGEM_USUARIO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("LINK_IMAGEM_USUARIO")); consulta.Dt_cadastro = data_reader.IsDBNull(data_reader.GetOrdinal("DT_CADASTRO")) ? DateTime.MinValue : data_reader.GetDateTime(data_reader.GetOrdinal("DT_CADASTRO")); return consulta; }
private Morador PreencherObjeto(NpgsqlDataReader dataReader) { int i = 0; Morador obj = new Morador(); obj.Id = dataReader.GetInt32(i++); obj.Id_condominio = dataReader.GetInt32(i++); obj.Nome = dataReader.GetString(i++); obj.Cpf = dataReader.GetString(i++); obj.Rg = dataReader.GetString(i++); obj.Numero_apt = dataReader.GetInt32(i++); return obj; }
private Condominio PreencherObjeto(NpgsqlDataReader dataReader) { int i = 0; Condominio obj = new Condominio(); obj.Id = dataReader.GetInt32(i++); obj.Id_endereco = dataReader.GetInt32(i++); obj.Qtd_Apt = dataReader.GetInt32(i++); obj.Valor_agua = dataReader.GetFloat(i++); obj.Valor_luz = dataReader.GetFloat(i++); obj.Valor_gas = dataReader.GetFloat(i++); obj.Nome = dataReader.GetString(i++); return obj; }
private Questao carregar(NpgsqlDataReader data_reader) { Questao questao = new Questao(); questao.Id_questao = data_reader.IsDBNull(data_reader.GetOrdinal("ID_QUESTAO")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_QUESTAO")); questao.Ds_questao = data_reader.IsDBNull(data_reader.GetOrdinal("DS_QUESTAO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("DS_QUESTAO")); questao.Curso_obj.Id_curso = data_reader.IsDBNull(data_reader.GetOrdinal("ID_CURSO")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_CURSO")); questao.Dt_cadastro = data_reader.IsDBNull(data_reader.GetOrdinal("DT_CADASTRO")) ? DateTime.MinValue : data_reader.GetDateTime(data_reader.GetOrdinal("DT_CADASTRO")); return questao; }
// //------------------------------------------------------------------------------------------------- // public bool ds2browse(string browse_type_in, string browse_category_in, string browse_actor_in, string browse_title_in, int batch_size_in, int customerid_out, ref int rows_returned, ref int[] prod_id_out, ref string[] title_out, ref string[] actor_out, ref decimal[] price_out, ref int[] special_out, ref int[] common_prod_id_out, ref double rt) { // Products table: PROD_ID INT, CATEGORY TINYINT, TITLE VARCHAR(50), ACTOR VARCHAR(50), // PRICE DECIMAL(12,2), SPECIAL TINYINT, COMMON_PROD_ID INT int i_row; string data_in = null; int[] category_out = new int[GlobalConstants.MAX_ROWS]; #if (USE_WIN32_TIMER) long ctr0 = 0, ctr = 0, freq = 0; #else TimeSpan TS = new TimeSpan(); DateTime DT0; #endif switch(browse_type_in) { case "category": Browse_By_Category.Parameters["batch_size_in"].Value = batch_size_in; Browse_By_Category.Parameters["category_in"].Value = Convert.ToInt32(browse_category_in); data_in = browse_category_in; break; case "actor": Browse_By_Actor.Parameters["batch_size_in"].Value = batch_size_in; Browse_By_Actor.Parameters["actor_in"].Value = "\"" + browse_actor_in + "\""; data_in = "\"" + browse_actor_in + "\""; break; case "title": Browse_By_Title.Parameters["batch_size_in"].Value = batch_size_in; Browse_By_Title.Parameters["title_in"].Value = "\"" + browse_title_in + "\""; data_in = "\"" + browse_title_in + "\""; break; } // Console.WriteLine("Thread {0}: Calling Browse w/ browse_type= {1} batch_size_in= {2} data_in= {3}", // Thread.CurrentThread.Name, browse_type_in, batch_size_in, data_in); #if (USE_WIN32_TIMER) QueryPerformanceFrequency(ref freq); // obtain system freq (ticks/sec) QueryPerformanceCounter(ref ctr0); // Start response time clock #else DT0 = DateTime.Now; #endif try { switch(browse_type_in) { case "category": Rdr = Browse_By_Category.ExecuteReader(); break; case "actor": Rdr = Browse_By_Actor.ExecuteReader(); break; case "title": Rdr = Browse_By_Title.ExecuteReader(); break; } i_row = 0; while (Rdr.Read()) { prod_id_out[i_row] = Rdr.GetInt32(0); category_out[i_row] = Rdr.GetInt16(1); title_out[i_row] = Rdr.GetString(2); actor_out[i_row] = Rdr.GetString(3); price_out[i_row] = Rdr.GetDecimal(4); special_out[i_row] = Rdr.GetInt16(5); common_prod_id_out[i_row] = Rdr.GetInt32(6); ++i_row; } Rdr.Close(); rows_returned = i_row; } catch (NpgsqlException e) { Console.WriteLine("Thread {0}: Error in Browse: {1}", Thread.CurrentThread.Name, e.Message); return(false); } #if (USE_WIN32_TIMER) QueryPerformanceCounter(ref ctr); // Stop response time clock rt = (ctr - ctr0)/(double) freq; // Calculate response time #else TS = DateTime.Now - DT0; rt = TS.TotalSeconds; // Calculate response time #endif return(true); }
// //------------------------------------------------------------------------------------------------- // public bool ds2purchase(int cart_items, int[] prod_id_in, int[] qty_in, int customerid_out, ref int neworderid_out, ref bool IsRollback, ref double rt) { int i, j; #if (USE_WIN32_TIMER) long ctr0 = 0, ctr = 0, freq = 0; #else TimeSpan TS = new TimeSpan(); DateTime DT0; #endif //Cap cart_items at 10 for this implementation of stored procedure cart_items = System.Math.Min(10, cart_items); // Extra, non-stored procedure query to find total cost of purchase Decimal netamount_in = 0; //Modified by GSK for parameterization of query below - Affects performance in case of Query Caching //string cost_query = "select PROD_ID, PRICE from PRODUCTS where PROD_ID in (" + prod_id_in[0]; //for (i=1; i<cart_items; i++) cost_query = cost_query + "," + prod_id_in[i]; //cost_query = cost_query + ")"; ////Console.WriteLine(cost_query); //NpgsqlCommand cost_command = new NpgsqlCommand(cost_query, objConn); //Parameterized query by GSK string cost_query = "select PROD_ID, PRICE from PRODUCTS where PROD_ID in ( @ARG0"; for ( i = 1 ; i < cart_items ; i++ ) cost_query = cost_query + ", @ARG" + i; cost_query = cost_query + ")"; NpgsqlCommand cost_command = new NpgsqlCommand ( cost_query , objConn ); string ArgHolder; for ( i = 0 ; i < cart_items ; i++ ) { ArgHolder = "@ARG" + i; cost_command.Parameters.Add ( ArgHolder , NpgsqlDbType.Integer ); cost_command.Parameters[ArgHolder].Value = prod_id_in[i]; //Console.WriteLine (cost_command.Parameters[ArgHolder].Value); } Rdr = cost_command.ExecuteReader(); while (Rdr.Read()) { j = 0; int prod_id = Rdr.GetInt32(0); while (prod_id_in[j] != prod_id) ++j; // Find which product was returned netamount_in = netamount_in + qty_in[j] * Rdr.GetDecimal(1); //Console.WriteLine(j + " " + prod_id + " " + Rdr.GetDecimal(1)); } Rdr.Close(); // Can use following code instead if you don't want extra roundtrip to database: // Random rr = new Random(DateTime.Now.Millisecond); // Decimal netamount_in = (Decimal) (0.01 * (1 + rr.Next(40000))); Decimal taxamount_in = (Decimal) 0.0825 * netamount_in; Decimal totalamount_in = netamount_in + taxamount_in; //Console.WriteLine(netamount_in); Purchase.Parameters["customerid_in"].Value = customerid_out; Purchase.Parameters["number_items"].Value = cart_items; Purchase.Parameters["netamount_in"].Value = netamount_in; Purchase.Parameters["taxamount_in"].Value = taxamount_in; Purchase.Parameters["totalamount_in"].Value = totalamount_in; Purchase.Parameters["prod_id_in0"].Value = prod_id_in[0]; Purchase.Parameters["qty_in0"].Value = qty_in[0]; Purchase.Parameters["prod_id_in1"].Value = prod_id_in[1]; Purchase.Parameters["qty_in1"].Value = qty_in[1]; Purchase.Parameters["prod_id_in2"].Value = prod_id_in[2]; Purchase.Parameters["qty_in2"].Value = qty_in[2]; Purchase.Parameters["prod_id_in3"].Value = prod_id_in[3]; Purchase.Parameters["qty_in3"].Value = qty_in[3]; Purchase.Parameters["prod_id_in4"].Value = prod_id_in[4]; Purchase.Parameters["qty_in4"].Value = qty_in[4]; Purchase.Parameters["prod_id_in5"].Value = prod_id_in[5]; Purchase.Parameters["qty_in5"].Value = qty_in[5]; Purchase.Parameters["prod_id_in6"].Value = prod_id_in[6]; Purchase.Parameters["qty_in6"].Value = qty_in[6]; Purchase.Parameters["prod_id_in7"].Value = prod_id_in[7]; Purchase.Parameters["qty_in7"].Value = qty_in[7]; Purchase.Parameters["prod_id_in8"].Value = prod_id_in[8]; Purchase.Parameters["qty_in8"].Value = qty_in[8]; Purchase.Parameters["prod_id_in9"].Value = prod_id_in[9]; Purchase.Parameters["qty_in9"].Value = qty_in[9]; // Console.WriteLine("Thread {0}: Calling Purchase w/ customerid = {1} number_items= {2}", // Thread.CurrentThread.Name, customerid_out, cart_items); #if (USE_WIN32_TIMER) QueryPerformanceFrequency(ref freq); // obtain system freq (ticks/sec) QueryPerformanceCounter(ref ctr0); // Start response time clock #else DT0 = DateTime.Now; #endif bool deadlocked; do { try { deadlocked = false; neworderid_out = (int) Purchase.ExecuteScalar(); } catch (NpgsqlException e) { if (e.Code == "40P01") { deadlocked = true; Random r = new Random(DateTime.Now.Millisecond); int wait = r.Next(1000); Console.WriteLine("Thread {0}: Purchase deadlocked...waiting {1} msec, then will retry", Thread.CurrentThread.Name, wait); Thread.Sleep(wait); // Wait up to 1 sec, then try again } else if (e.Code == "P0001") { deadlocked=false; neworderid_out = 0; } else { Console.WriteLine("Thread {0}: SQL Error {1} in Purchase: {2}", Thread.CurrentThread.Name, e.Code, e.Message); return(false); } } } while (deadlocked); #if (USE_WIN32_TIMER) QueryPerformanceCounter(ref ctr); // Stop response time clock rt = (ctr - ctr0)/(double) freq; // Calculate response time #else TS = DateTime.Now - DT0; rt = TS.TotalSeconds; // Calculate response time #endif if (neworderid_out == 0) IsRollback = true; return(true); }
private Endereco PreencherObjeto(NpgsqlDataReader dataReader) { int i = 0; Endereco obj = new Endereco(); obj.Id = dataReader.GetInt32(i++); obj.Cidade = dataReader.GetString(i++); obj.Estado = dataReader.GetString(i++); obj.Cep = dataReader.GetString(i++); obj.Bairro = dataReader.GetString(i++); obj.Numero = dataReader.GetString(i++); obj.Logradouro = dataReader.GetString(i++); obj.Complemento = dataReader.GetString(i++); return obj; }
private void FillBaseEventPropertiesFromRecord(TransactionEvent te, NpgsqlDataReader reader) { te.LoggedAt = reader.GetDateTime(1); te.OccuredAt = reader.GetDateTime(2); te.TransactionId = reader.GetInt32(4); te.UserId = (reader.IsDBNull(5)) ? null : reader.GetString(5); te.Service = reader.GetString(6); te.Server = reader.GetString(7); }
Aula carregar(NpgsqlDataReader data_reader) { Aula aula = new Aula(); aula.Id_aula = data_reader.IsDBNull(data_reader.GetOrdinal("ID_AULA")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_AULA")); aula.Tl_aula = data_reader.IsDBNull(data_reader.GetOrdinal("TL_AULA")) ? "" : data_reader.GetString(data_reader.GetOrdinal("TL_AULA")); aula.Ds_aula = data_reader.IsDBNull(data_reader.GetOrdinal("DS_AULA")) ? "" : data_reader.GetString(data_reader.GetOrdinal("DS_AULA")); aula.Curso_obj.Id_curso = data_reader.IsDBNull(data_reader.GetOrdinal("ID_CURSO")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_CURSO")); aula.Link_aula = data_reader.IsDBNull(data_reader.GetOrdinal("LINK_AULA")) ? "" : data_reader.GetString(data_reader.GetOrdinal("LINK_AULA")); aula.Dt_cadastro = data_reader.IsDBNull(data_reader.GetOrdinal("DT_CADASTRO")) ? DateTime.MinValue : data_reader.GetDateTime(data_reader.GetOrdinal("DT_CADASTRO")); return aula; }
public Curso carregar(NpgsqlDataReader data_reader) { Curso curso = new Curso(); curso.Id_curso = data_reader.IsDBNull(data_reader.GetOrdinal("ID_CURSO")) ? 0 : data_reader.GetInt32(data_reader.GetOrdinal("ID_CURSO")); curso.Tl_curso = data_reader.IsDBNull(data_reader.GetOrdinal("TL_CURSO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("TL_CURSO")); curso.Ds_curso = data_reader.IsDBNull(data_reader.GetOrdinal("DS_CURSO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("DS_CURSO")); curso.Obj_curso = data_reader.IsDBNull(data_reader.GetOrdinal("OBJ_CURSO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("OBJ_CURSO")); curso.Topicos_curso = data_reader.IsDBNull(data_reader.GetOrdinal("TOPICOS_CURSO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("TOPICOS_CURSO")); curso.Pre_req_curso = data_reader.IsDBNull(data_reader.GetOrdinal("PRE_REQ_CURSO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("PRE_REQ_CURSO")); curso.Duracao_curso = data_reader.IsDBNull(data_reader.GetOrdinal("DURACAO_CURSO")) ? "" : data_reader.GetString(data_reader.GetOrdinal("DURACAO_CURSO")); curso.Dt_cadastro = data_reader.IsDBNull(data_reader.GetOrdinal("DT_CADASTRO")) ? DateTime.MinValue : data_reader.GetDateTime(data_reader.GetOrdinal("DT_CADASTRO")); return curso; }
// //------------------------------------------------------------------------------------------------- // public bool ds2login(string username_in, string password_in, ref int customerid_out, ref int rows_returned, ref string[] title_out, ref string[] actor_out, ref string[] related_title_out, ref double rt) { #if (USE_WIN32_TIMER) long ctr0 = 0, ctr = 0, freq = 0; #else TimeSpan TS = new TimeSpan(); DateTime DT0; #endif Login.Parameters["username_in"].Value = username_in; Login.Parameters["password_in"].Value = password_in; #if (USE_WIN32_TIMER) QueryPerformanceFrequency(ref freq); // obtain system freq (ticks/sec) QueryPerformanceCounter(ref ctr0); // Start response time clock #else DT0 = DateTime.Now; #endif NpgsqlTransaction t ; try { t = objConn.BeginTransaction(); Rdr = Login.ExecuteReader(); Rdr.Read(); customerid_out = Rdr.GetInt32(0); } catch (NpgsqlException e) { Console.WriteLine("Thread {0}: Error in Login: {1}", Thread.CurrentThread.Name, e.Message); return (false); } int i_row = 0; if ((customerid_out > 0) && Rdr.NextResult()) { while (Rdr.Read()) { title_out[i_row] = Rdr.GetString(0); actor_out[i_row] = Rdr.GetString(1); related_title_out[i_row] = Rdr.GetString(2); ++i_row; } } Rdr.Close(); t.Commit(); rows_returned = i_row; #if (USE_WIN32_TIMER) QueryPerformanceCounter(ref ctr); // Stop response time clock rt = (ctr - ctr0)/(double) freq; // Calculate response time #else TS = DateTime.Now - DT0; rt = TS.TotalSeconds; // Calculate response time #endif return(true); }