добавлен индексатор и проведены тесты

SUBD/Lab_5/Controller.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using SUBD;
 using SUBD.Models;
+using System.Diagnostics;
 
 namespace Lab_5
 {
@@ -85,7 +86,11 @@ namespace Lab_5
 		public static void GetFamalyMember()
 		{
 			using Context context = new();
+			Stopwatch stopwatch = new();
+			stopwatch.Start();
 			var members = context.FamalyMembers.ToList();
+			stopwatch.Stop();
+			Console.WriteLine($"Время пррошло:{stopwatch.Elapsed.TotalMilliseconds}");
 			if (members.Count == 0)
 			{
 				Console.WriteLine("Список членов семьи пуст");
@@ -338,15 +343,50 @@ namespace Lab_5
 			}
 		}
 
-		public static void Truncate()
+		public static void TestAdd()
 		{
 			using Context context = new();
-			context.SourcesIncome.RemoveRange(context.SourcesIncome);
+			Random r = new();
-			context.Incomes.RemoveRange(context.Incomes);
+			List<FamalyMember> members = new();
-			context.CategorysExpenses.RemoveRange(context.CategorysExpenses);
+			for (int i = 0; i < 1000; i++)
-			context.Expenses.RemoveRange(context.Expenses);
+			{
-			context.FamalyMembers.RemoveRange(context.FamalyMembers);
+				var newMember = new FamalyMember()
-			Console.WriteLine("База данных очищена");
+				{
-		}
+					Name = r.Next(1000).ToString()
+				};
+				members.Add(newMember);
+			}
+			Stopwatch stopwatch = new();
+			stopwatch.Start();
+			context.FamalyMembers.AddRange(members);
+			stopwatch.Stop();
+			Console.WriteLine($"Вставка прошла. Времени затрачено: {stopwatch.Elapsed.TotalMilliseconds}");
+		}
+
+		public static void TestReadById()
+		{
+			using Context context = new();
+			Random r = new();
+			int Id = r.Next(1000);
+			Stopwatch stopwatch = new();
+			stopwatch.Start();
+			var records = context.FamalyMembers.Where(x => x.Id == Id).ToList();
+			stopwatch.Stop();
+			Console.WriteLine($"Поиск по условию завершен. Времени затрачено: {stopwatch.Elapsed.TotalMilliseconds} мс");
+		}
+
+		public static void TestDelete()
+		{
+			using Context context = new();
+			Random r = new();
+			List<FamalyMember> famalyMembers = context.FamalyMembers.ToList();
+			Stopwatch stopwatch = new();
+			stopwatch.Start();
+			context.FamalyMembers.RemoveRange(famalyMembers);
+			context.SaveChanges();
+			stopwatch.Stop();
+			Console.WriteLine($"Удаление завершено. Времени затрачено: {stopwatch.Elapsed.TotalMilliseconds} мс");
+		}
+
 	}
 }

SUBD/Lab_5/Migrations/20230518110637_addIndex.Designer.cs

@@ -0,0 +1,206 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using SUBD;
+
+#nullable disable
+
+namespace Lab_5.Migrations
+{
+    [DbContext(typeof(Context))]
+    [Migration("20230518110637_addIndex")]
+    partial class addIndex
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("SUBD.Models.CategoryExpenses", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("CategorysExpenses");
+                });
+
+            modelBuilder.Entity("SUBD.Models.Expens", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CategoryId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("FamalyMemberId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("MemberId")
+                        .HasColumnType("integer");
+
+                    b.Property<decimal>("Summa")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CategoryId");
+
+                    b.HasIndex("FamalyMemberId");
+
+                    b.ToTable("Expenses");
+                });
+
+            modelBuilder.Entity("SUBD.Models.FamalyMember", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("MemberId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MemberId");
+
+                    b.HasIndex("Name");
+
+                    b.ToTable("FamalyMembers");
+                });
+
+            modelBuilder.Entity("SUBD.Models.Income", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("FamalyMemberId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("MemberId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("SourceId")
+                        .HasColumnType("integer");
+
+                    b.Property<decimal>("Summa")
+                        .HasColumnType("decimal(10,2)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("FamalyMemberId");
+
+                    b.HasIndex("SourceId");
+
+                    b.ToTable("Incomes");
+                });
+
+            modelBuilder.Entity("SUBD.Models.SourceIncome", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SourcesIncome");
+                });
+
+            modelBuilder.Entity("SUBD.Models.Expens", b =>
+                {
+                    b.HasOne("SUBD.Models.CategoryExpenses", "CategoryExpenses")
+                        .WithMany("Expenses")
+                        .HasForeignKey("CategoryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SUBD.Models.FamalyMember", "FamalyMember")
+                        .WithMany()
+                        .HasForeignKey("FamalyMemberId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("CategoryExpenses");
+
+                    b.Navigation("FamalyMember");
+                });
+
+            modelBuilder.Entity("SUBD.Models.FamalyMember", b =>
+                {
+                    b.HasOne("SUBD.Models.FamalyMember", null)
+                        .WithMany("Members")
+                        .HasForeignKey("MemberId");
+                });
+
+            modelBuilder.Entity("SUBD.Models.Income", b =>
+                {
+                    b.HasOne("SUBD.Models.FamalyMember", "FamalyMember")
+                        .WithMany()
+                        .HasForeignKey("FamalyMemberId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SUBD.Models.SourceIncome", "SourceIncome")
+                        .WithMany("Incomes")
+                        .HasForeignKey("SourceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("FamalyMember");
+
+                    b.Navigation("SourceIncome");
+                });
+
+            modelBuilder.Entity("SUBD.Models.CategoryExpenses", b =>
+                {
+                    b.Navigation("Expenses");
+                });
+
+            modelBuilder.Entity("SUBD.Models.FamalyMember", b =>
+                {
+                    b.Navigation("Members");
+                });
+
+            modelBuilder.Entity("SUBD.Models.SourceIncome", b =>
+                {
+                    b.Navigation("Incomes");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SUBD/Lab_5/Migrations/20230518110637_addIndex.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Lab_5.Migrations
+{
+    /// <inheritdoc />
+    public partial class addIndex : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_FamalyMembers_Name",
+                table: "FamalyMembers",
+                column: "Name");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_FamalyMembers_Name",
+                table: "FamalyMembers");
+        }
+    }
+}

SUBD/Lab_5/Migrations/ContextModelSnapshot.cs

@@ -87,6 +87,8 @@ namespace Lab_5.Migrations
 
                     b.HasIndex("MemberId");
 
+                    b.HasIndex("Name");
+
                     b.ToTable("FamalyMembers");
                 });
 

SUBD/Lab_5/Models/FamalyMember.cs

@@ -1,8 +1,10 @@
 using System.ComponentModel.DataAnnotations.Schema;
 using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
 
 namespace SUBD.Models
 {
+	[Index(nameof(Name))]
 	public class FamalyMember
 	{
 		public int Id { get; set; }

SUBD/Lab_5/Program.cs

@@ -58,6 +58,18 @@
 					case "12":
 						Controller.DeleteCategoryExpenses();
 						break;
+					case "Добавление":
+						Controller.TestAdd();
+						break;
+					case "Удаление":
+						Controller.TestDelete();
+						break;
+					case "Чтение по айди":
+						Controller.TestReadById();
+						break;
+					case "0":
+						Controller.GetSourcesIncome();
+						break;
 					default:
 						Console.WriteLine("Неверный ввод");
 						break;