Update Environment to TimescaleDB

Environment/Service/Data/Database.cs

@@ -1,7 +1,7 @@
-using System.Reflection;
-using Dapper;
+using Dapper;
 using DbUp;
-using Microsoft.Data.SqlClient;
+using Npgsql;
+using System.Reflection;
 
 namespace ChrisKaczor.HomeMonitor.Environment.Service.Data;
 
@@ -9,12 +9,13 @@ public class Database(IConfiguration configuration)
 {
     private string GetConnectionString()
     {
-        var connectionStringBuilder = new SqlConnectionStringBuilder
+        var connectionStringBuilder = new NpgsqlConnectionStringBuilder
         {
-            DataSource = $"{configuration["Environment:Database:Host"]},{configuration["Environment:Database:Port"]}",
-            UserID = configuration["Environment:Database:User"],
+            Host = configuration["Environment:Database:Host"],
+            Port = configuration.GetValue<int>("Environment:Database:Port"),
+            Username = configuration["Environment:Database:User"],
             Password = configuration["Environment:Database:Password"],
-            InitialCatalog = configuration["Environment:Database:Name"],
+            Database = configuration["Environment:Database:Name"],
             TrustServerCertificate = bool.Parse(configuration["Environment:Database:TrustServerCertificate"] ?? "false")
         };
 
@@ -25,16 +26,16 @@ public class Database(IConfiguration configuration)
     {
         var connectionString = GetConnectionString();
 
-        DbUp.EnsureDatabase.For.SqlDatabase(connectionString);
+        DbUp.EnsureDatabase.For.PostgresqlDatabase(connectionString);
 
-        var upgradeEngine = DeployChanges.To.SqlDatabase(connectionString).WithScriptsEmbeddedInAssembly(Assembly.GetExecutingAssembly(), s => s.Contains(".Schema.")).LogToConsole().Build();
+        var upgradeEngine = DeployChanges.To.PostgresqlDatabase(connectionString).WithScriptsEmbeddedInAssembly(Assembly.GetExecutingAssembly(), s => s.Contains(".Schema.")).LogToConsole().Build();
 
         upgradeEngine.PerformUpgrade();
     }
 
-    private SqlConnection CreateConnection()
+    private NpgsqlConnection CreateConnection()
     {
-        var connection = new SqlConnection(GetConnectionString());
+        var connection = new NpgsqlConnection(GetConnectionString());
         connection.Open();
 
         return connection;

Environment/Service/Data/Queries/CreateReading.sql

@@ -1,25 +1,30 @@
-BEGIN TRANSACTION
-
-INSERT Reading
-  (Timestamp, Name, Model, Temperature, Pressure, Humidity, Luminance, GasResistance, ColorTemperature, AirQualityIndex)
-SELECT
-  @Timestamp,
-  @Name,
-  @Model,
-  @Temperature,
-  @Pressure,
-  @Humidity,
-  @Luminance,
-  @GasResistance,
-  @ColorTemperature,
-  @AirQualityIndex
-WHERE NOT EXISTS
-  (
-    SELECT
-      1
-    FROM
-      Reading WITH (UPDLOCK, SERIALIZABLE)
-    WHERE Timestamp = @Timestamp AND Name = @Name AND Model = @Model
-  )
-
-COMMIT TRANSACTION
+INSERT INTO 
+    reading 
+    (
+        time, 
+        name, 
+        model, 
+        temperature, 
+        pressure, 
+        humidity, 
+        luminance, 
+        gas_resistance, 
+        color_temperature, 
+        air_quality_index
+    )
+VALUES 
+    (
+        @Timestamp, 
+        @Name, 
+        @Model, 
+        @Temperature, 
+        @Pressure, 
+        @Humidity, 
+        @Luminance, 
+        @GasResistance, 
+        @ColorTemperature, 
+        @AirQualityIndex
+    ) 
+ON CONFLICT 
+    ON CONSTRAINT reading_pk 
+        DO NOTHING

Environment/Service/Data/Schema/1-Initial Schema.sql

@@ -1,14 +1,17 @@
-CREATE TABLE Reading
-(
-  Timestamp        datetimeoffset NOT NULL,
-  Name             nvarchar(50)   NOT NULL,
-  Model            nvarchar(50)   NOT NULL,
-  Temperature      decimal(5, 2)  NOT NULL,
-  Pressure         decimal(6, 2)  NOT NULL,
-  Humidity         decimal(5, 2)  NOT NULL,
-  Luminance        int            NOT NULL,
-  GasResistance    int            NOT NULL,
-  ColorTemperature int            NOT NULL,
-  AirQualityIndex  decimal(4, 1)  NOT NULL,
-  CONSTRAINT reading_pk PRIMARY KEY (Timestamp, Name, Model)
-);
+CREATE TABLE
+    reading (
+        time timestamptz NOT NULL,
+        name text NOT NULL,
+        model text NOT NULL,
+        temperature DECIMAL NOT NULL,
+        pressure DECIMAL NOT NULL,
+        humidity DECIMAL NOT NULL,
+        luminance INT NOT NULL,
+        gas_resistance INT NOT NULL,
+        color_temperature INT NOT NULL,
+        air_quality_index DECIMAL NOT NULL,
+        CONSTRAINT reading_pk PRIMARY KEY (time, name, model)
+    );
+
+SELECT
+    create_hypertable('reading', by_range('time'));