static void Main(string[] args) { System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance); ///Specify the name of the database string database = "db_" + DateTime.Now.ToString("yyyyMMddHHmmss"); var builder = new TaosConnectionStringBuilder() { DataSource = "114.116.231.247", DataBase = database, Username = "******", Password = "******", Port = 6060 }; //Example for ADO.Net using (var connection = new TaosConnection(builder.ConnectionString)) { connection.Open(); Console.WriteLine("create {0} {1}", database, connection.CreateCommand($"create database {database};").ExecuteNonQuery()); Console.WriteLine("create table t {0} {1}", database, connection.CreateCommand($"create table {database}.t (ts timestamp, cdata int);").ExecuteNonQuery()); Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 10);").ExecuteNonQuery()); //Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.AddMonths(1).Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 20);").ExecuteNonQuery()); var cmd_select = connection.CreateCommand(); cmd_select.CommandText = $"select * from {database}.t"; var reader = cmd_select.ExecuteReader(); Console.WriteLine(cmd_select.CommandText); Console.WriteLine(""); ConsoleTableBuilder.From(reader.ToDataTable()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); Console.WriteLine(""); Console.WriteLine("DROP TABLE {0} {1}", database, connection.CreateCommand($"DROP TABLE {database}.t;").ExecuteNonQuery()); Console.WriteLine("DROP DATABASE {0} {1}", database, connection.CreateCommand($"DROP DATABASE {database};").ExecuteNonQuery()); connection.Close(); } //Example for Entity Framework Core using (var context = new TaosContext(new DbContextOptionsBuilder() .UseTaos(builder.ConnectionString).Options)) { Console.WriteLine("EnsureCreated"); context.Database.EnsureCreated(); for (int i = 0; i < 10; i++) { var rd = new Random(); context.sensor.Add(new sensor() { ts = DateTime.Now.AddMilliseconds(i), degree = rd.NextDouble(), pm25 = rd.Next(0, 1000) }); } Console.WriteLine("Saveing"); context.SaveChanges(); Console.WriteLine(""); Console.WriteLine("from s in context.sensor where s.pm25 > 0 select s "); Console.WriteLine(""); var f = from s in context.sensor where s.pm25 > 0 select s; var ary = f.ToArray(); ConsoleTableBuilder.From(ary.ToList()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); context.Database.EnsureDeleted(); } Console.WriteLine(""); }
static void Main(string[] args) { ///Specify the name of the database string database = "db_" + DateTime.Now.ToString("yyyyMMddHHmmss"); var builder = new TaosConnectionStringBuilder() { DataSource = "http://td.gitclub.cn/rest/sql", DataBase = database, Username = "******", Password = "******" }; //Example for ADO.Net using (var connection = new TaosConnection(builder.ConnectionString)) { connection.Open(); Console.WriteLine("create {0} {1}", database, connection.CreateCommand($"create database {database};").ExecuteNonQuery()); Console.WriteLine("create table t {0} {1}", database, connection.CreateCommand($"create table {database}.t (ts timestamp, cdata int);").ExecuteNonQuery()); Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ('{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ms")}', 10);").ExecuteNonQuery()); Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ('{DateTime.Now.AddMonths(1).ToString("yyyy-MM-dd HH:mm:ss.ms")}', 20);").ExecuteNonQuery()); var cmd_select = connection.CreateCommand(); cmd_select.CommandText = $"select * from {database}.t"; var reader = cmd_select.ExecuteReader(); Console.WriteLine(cmd_select.CommandText); Console.WriteLine(""); ConsoleTableBuilder.From(reader.ToDataTable()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); Console.WriteLine(""); Console.WriteLine("DROP TABLE {0} {1}", database, connection.CreateCommand($"DROP TABLE {database}.t;").ExecuteNonQuery()); Console.WriteLine("DROP DATABASE {0} {1}", database, connection.CreateCommand($"DROP DATABASE {database};").ExecuteNonQuery()); connection.Close(); } //Example for Entity Framework Core using (var context = new TaosContext(new DbContextOptionsBuilder() .UseTaos(builder.ConnectionString).Options)) { Console.WriteLine("EnsureCreated"); context.Database.EnsureCreated(); for (int i = 0; i < 10; i++) { var rd = new Random(); context.sensor.Add(new sensor() { ts = DateTime.Now.AddMilliseconds(i), degree = rd.NextDouble(), pm25 = rd.Next(0, 1000) }); } Console.WriteLine("Saveing"); context.SaveChanges(); Console.WriteLine(""); Console.WriteLine("from s in context.sensor where s.pm25 > 0 select s "); Console.WriteLine(""); var f = from s in context.sensor where s.pm25 > 0 select s; var ary = f.ToArray(); ConsoleTableBuilder.From(ary.ToList()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); context.Database.EnsureDeleted(); } Console.WriteLine(""); Console.WriteLine("Pass any key to exit...."); Console.ReadKey(); }
static void Main(string[] args) { System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance); DbProviderFactories.RegisterFactory("TDengine", TaosFactory.Instance); ///Specify the name of the database string database = "db_" + DateTime.Now.ToString("yyyyMMddHHmmss"); var builder = new TaosConnectionStringBuilder() { DataSource = "taos", DataBase = database, Username = "******", Password = "******", Port = 6030 }; //Example for ADO.Net using (var connection = new TaosConnection(builder.ConnectionString)) { connection.Open(); Console.WriteLine("ServerVersion:{0}", connection.ServerVersion); Console.WriteLine("create {0} {1}", database, connection.CreateCommand($"create database {database};").ExecuteNonQuery()); Console.WriteLine("create table t {0} {1}", database, connection.CreateCommand($"create table {database}.t (ts timestamp, cdata int);").ExecuteNonQuery()); Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 10);").ExecuteNonQuery()); var pmcmd = connection.CreateCommand($"insert into {database}.t values (@t, @c);"); Thread.Sleep(TimeSpan.FromSeconds(1)); pmcmd.Parameters.AddWithValue("@t", (long)(DateTime.Now.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)); pmcmd.Parameters.AddWithValue("@c", 1111); pmcmd.ExecuteNonQuery(); Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 10);").ExecuteNonQuery()); //Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.AddMonths(1).Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 20);").ExecuteNonQuery()); var cmd_select = connection.CreateCommand(); cmd_select.CommandText = $"select * from {database}.t;"; var reader = cmd_select.ExecuteReader(); int index = reader.GetOrdinal("cdata"); Console.WriteLine($"cdata index at {index}"); Console.WriteLine(cmd_select.CommandText); Console.WriteLine(""); ConsoleTableBuilder.From(reader.ToDataTable()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); Console.WriteLine(""); connection.CreateCommand($"CREATE TABLE datas ('reportTime' timestamp, type int, 'bufferedEnd' bool, address nchar(64), parameter nchar(64), value nchar(64)) TAGS ('boxCode' nchar(64), 'machineId' int);").ExecuteNonQuery(); connection.CreateCommand($"INSERT INTO data_history_67 USING datas TAGS (mongo, 67) values ( 1608173534840 2 false 'Channel1.窑.烟囱温度' '烟囱温度' '122.00' );").ExecuteNonQuery(); var cmd_datas = connection.CreateCommand(); cmd_datas.CommandText = $"SELECT reportTime,type,bufferedEnd,address,parameter,value FROM {database}.data_history_67 LIMIT 100"; var readerdatas = cmd_datas.ExecuteReader(); Console.WriteLine(cmd_datas.CommandText); Console.WriteLine(""); ConsoleTableBuilder.From(readerdatas.ToDataTable()).WithFormat(ConsoleTableBuilderFormat.Default).ExportAndWriteLine(); Console.WriteLine(""); Console.WriteLine("CREATE TABLE meters ", connection.CreateCommand($"CREATE TABLE meters (ts timestamp, current float, voltage int, phase float) TAGS (location binary(64), groupdId int);").ExecuteNonQuery()); Console.WriteLine("CREATE TABLE d1001 ", connection.CreateCommand($"CREATE TABLE d1001 USING meters TAGS (\"Beijing.Chaoyang\", 2);").ExecuteNonQuery()); Console.WriteLine("INSERT INTO d1001 ", connection.CreateCommand($"INSERT INTO d1001 USING METERS TAGS(\"Beijng.Chaoyang\", 2) VALUES(now, 10.2, 219, 0.32);").ExecuteNonQuery()); Console.WriteLine("DROP TABLE {0} {1}", database, connection.CreateCommand($"DROP TABLE {database}.t;").ExecuteNonQuery()); Console.WriteLine("DROP DATABASE {0} {1}", database, connection.CreateCommand($"DROP DATABASE {database};").ExecuteNonQuery()); connection.CreateCommand("DROP DATABASE IF EXISTS IoTSharp").ExecuteNonQuery(); connection.CreateCommand("CREATE DATABASE IoTSharp KEEP 365 DAYS 10 BLOCKS 4;").ExecuteNonQuery(); connection.ChangeDatabase("IoTSharp"); connection.CreateCommand("CREATE STABLE IF NOT EXISTS telemetrydata (ts timestamp,value_type tinyint, value_boolean bool, value_string binary(10240), value_long bigint,value_datetime timestamp,value_double double) TAGS (deviceid binary(32),keyname binary(64));").ExecuteNonQuery(); //connection.CreateCommand($"CREATE TABLE dev_Thermometer USING telemetrydata TAGS (\"Temperature\")").ExecuteNonQuery(); var devid = $"{Guid.NewGuid():N}"; UploadTelemetryData(connection, devid, "Temperature", 999); UploadTelemetryData(connection, devid, "Humidity", 888); var devid2 = $"{Guid.NewGuid():N}"; UploadTelemetryData(connection, devid2, "Temperature", 777); UploadTelemetryData(connection, devid2, "Humidity", 666); var reader2 = connection.CreateCommand("select last_row(*) from telemetrydata group by deviceid,keyname ;").ExecuteReader(); ConsoleTableBuilder.From(reader2.ToDataTable()).WithFormat(ConsoleTableBuilderFormat.Default).ExportAndWriteLine(); Console.WriteLine("DROP DATABASE IoTSharp", database, connection.CreateCommand($"DROP DATABASE IoTSharp;").ExecuteNonQuery()); connection.Close(); } //Example for Entity Framework Core using (var context = new TaosContext(new DbContextOptionsBuilder() .UseTaos(builder.ConnectionString).Options)) { Console.WriteLine("EnsureCreated"); context.Database.EnsureCreated(); for (int i = 0; i < 10; i++) { var rd = new Random(); context.sensor.Add(new sensor() { ts = DateTime.Now.AddMilliseconds(i + 10), degree = rd.NextDouble(), pm25 = rd.Next(0, 1000) }); Thread.Sleep(10); } Console.WriteLine("Saveing"); context.SaveChanges(); Console.WriteLine(""); Console.WriteLine("from s in context.sensor where s.pm25 > 0 select s "); Console.WriteLine(""); var f = from s in context.sensor where s.pm25 > 0 select s; var ary = f.ToArray(); if (ary.Any()) { ConsoleTableBuilder.From(ary.ToList()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); } context.Database.EnsureDeleted(); } }
static void Main(string[] args) { System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance); ///Specify the name of the database string database = "db_" + DateTime.Now.ToString("yyyyMMddHHmmss"); var builder = new TaosConnectionStringBuilder() { DataSource = "taos", DataBase = database, Username = "******", Password = "******", Port = 6030 }; //Example for ADO.Net using (var connection = new TaosConnection(builder.ConnectionString)) { connection.Open(); Console.WriteLine("ServerVersion:{0}", connection.ServerVersion); Console.WriteLine("create {0} {1}", database, connection.CreateCommand($"create database {database};").ExecuteNonQuery()); connection.ChangeDatabase(database); Console.WriteLine("create table t {0} {1}", database, connection.CreateCommand($"create table {database}.t (ts timestamp, cdata int);").ExecuteNonQuery()); Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 10);").ExecuteNonQuery()); var pmcmd = connection.CreateCommand($"insert into {database}.t values (@t, @c);"); Thread.Sleep(TimeSpan.FromSeconds(1)); pmcmd.Parameters.AddWithValue("@t", (long)(DateTime.Now.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)); pmcmd.Parameters.AddWithValue("@c", 1111); pmcmd.ExecuteNonQuery(); Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 10);").ExecuteNonQuery()); //Console.WriteLine("insert into t values {0} ", connection.CreateCommand($"insert into {database}.t values ({(long)(DateTime.Now.AddMonths(1).Subtract(new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalMilliseconds)}, 20);").ExecuteNonQuery()); var cmd_select = connection.CreateCommand(); #pragma warning disable CA2100 // Review SQL queries for security vulnerabilities cmd_select.CommandText = $"select * from {database}.t"; #pragma warning restore CA2100 // Review SQL queries for security vulnerabilities var reader = cmd_select.ExecuteReader(); Console.WriteLine(cmd_select.CommandText); Console.WriteLine(""); ConsoleTableBuilder.From(reader.ToDataTable()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); Console.WriteLine(""); Console.WriteLine("CREATE TABLE meters ", connection.CreateCommand($"CREATE TABLE meters (ts timestamp, current float, voltage int, phase float) TAGS (location binary(64), groupdId int);").ExecuteNonQuery()); Console.WriteLine("CREATE TABLE d1001 ", connection.CreateCommand($"CREATE TABLE d1001 USING meters TAGS (\"Beijing.Chaoyang\", 2);").ExecuteNonQuery()); Console.WriteLine("INSERT INTO d1001 ", connection.CreateCommand($"INSERT INTO d1001 USING METERS TAGS(\"Beijng.Chaoyang\", 2) VALUES(now, 10.2, 219, 0.32);").ExecuteNonQuery()); Console.WriteLine("DROP TABLE {0} {1}", database, connection.CreateCommand($"DROP TABLE {database}.t;").ExecuteNonQuery()); Console.WriteLine("DROP DATABASE {0} {1}", database, connection.CreateCommand($"DROP DATABASE {database};").ExecuteNonQuery()); connection.Close(); } //Example for Entity Framework Core using (var context = new TaosContext(new DbContextOptionsBuilder() .UseTaos(builder.ConnectionString).Options)) { Console.WriteLine("EnsureCreated"); context.Database.EnsureCreated(); for (int i = 0; i < 10; i++) { var rd = new Random(); context.sensor.Add(new sensor() { ts = DateTime.Now.AddMilliseconds(i + 10), degree = rd.NextDouble(), pm25 = rd.Next(0, 1000) }); Thread.Sleep(10); } Console.WriteLine("Saveing"); context.SaveChanges(); Console.WriteLine(""); Console.WriteLine("from s in context.sensor where s.pm25 > 0 select s "); Console.WriteLine(""); var f = from s in context.sensor where s.pm25 > 0 select s; var ary = f.ToArray(); if (ary.Any()) { ConsoleTableBuilder.From(ary.ToList()).WithFormat(ConsoleTableBuilderFormat.MarkDown).ExportAndWriteLine(); } context.Database.EnsureDeleted(); } }