add index to last connection for improved search speed

Data/Context/DatabaseContext.cs

@@ -88,7 +88,8 @@ namespace Data.Context
             // make network id unique
             modelBuilder.Entity<EFClient>(entity =>
             {
-                entity.HasIndex(e => e.NetworkId);
+                entity.HasIndex(client => client.NetworkId);
+                entity.HasIndex(client => client.LastConnection);
                 entity.HasAlternateKey(client => new
                 {
                     client.NetworkId,

Data/Migrations/MySql/20230124030137_AddLastConnectionIndexEFClient.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Data.Migrations.MySql
+{
+    public partial class AddLastConnectionIndexEFClient : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_EFClients_LastConnection",
+                table: "EFClients",
+                column: "LastConnection");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_EFClients_LastConnection",
+                table: "EFClients");
+        }
+    }
+}

Data/Migrations/MySql/MySqlDatabaseContextModelSnapshot.cs

@@ -96,6 +96,8 @@ namespace Data.Migrations.MySql
 
                     b.HasIndex("CurrentAliasId");
 
+                    b.HasIndex("LastConnection");
+
                     b.HasIndex("NetworkId");
 
                     b.ToTable("EFClients", (string)null);

Data/Migrations/Postgresql/20230124030240_AddLastConnectionIndexEFClient.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Data.Migrations.Postgresql
+{
+    public partial class AddLastConnectionIndexEFClient : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_EFClients_LastConnection",
+                table: "EFClients",
+                column: "LastConnection");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_EFClients_LastConnection",
+                table: "EFClients");
+        }
+    }
+}

Data/Migrations/Postgresql/PostgresqlDatabaseContextModelSnapshot.cs

@@ -103,6 +103,8 @@ namespace Data.Migrations.Postgresql
 
                     b.HasIndex("CurrentAliasId");
 
+                    b.HasIndex("LastConnection");
+
                     b.HasIndex("NetworkId");
 
                     b.ToTable("EFClients", (string)null);

Data/Migrations/Sqlite/20230124025802_AddLastConnectionIndexEFClient.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Data.Migrations.Sqlite
+{
+    public partial class AddLastConnectionIndexEFClient : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_EFClients_LastConnection",
+                table: "EFClients",
+                column: "LastConnection");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_EFClients_LastConnection",
+                table: "EFClients");
+        }
+    }
+}

Data/Migrations/Sqlite/SqliteDatabaseContextModelSnapshot.cs

@@ -94,6 +94,8 @@ namespace Data.Migrations.Sqlite
 
                     b.HasIndex("CurrentAliasId");
 
+                    b.HasIndex("LastConnection");
+
                     b.HasIndex("NetworkId");
 
                     b.ToTable("EFClients", (string)null);