замеры времени на 3 сущности

DepartmentStaffView/DepartmentStaffDatabase/Implements.cs

@@ -63,7 +63,7 @@ namespace DepartmentStaffDatabase
         {
             using var conn = GetConnect();
             conn.Open();
-            using var cmd = new NpgsqlCommand($"SELECT * FROM department WHERE name = {departmentName}", conn);
+            using var cmd = new NpgsqlCommand($"SELECT * FROM department WHERE name = '{departmentName}'", conn);
             using var reader = cmd.ExecuteReader();
             if (reader.Read())
             {
@@ -156,7 +156,7 @@ namespace DepartmentStaffDatabase
         {
             using var conn = GetConnect();
             conn.Open();
-            using var cmd = new NpgsqlCommand($"SELECT * FROM position WHERE id = {positionName}", conn);
+            using var cmd = new NpgsqlCommand($"SELECT * FROM position WHERE name = '{positionName}'", conn);
             using var reader = cmd.ExecuteReader();
             if (reader.Read())
             {
@@ -261,7 +261,7 @@ namespace DepartmentStaffDatabase
         {
             using var conn = GetConnect();
             conn.Open();
-            using var cmd = new NpgsqlCommand($"SELECT * FROM employee WHERE id = {employeeName}", conn);
+            using var cmd = new NpgsqlCommand($"SELECT * FROM employee WHERE name = '{employeeName}'", conn);
             using var reader = cmd.ExecuteReader();
             if (reader.Read())
             {

DepartmentStaffView/DepartmentStaffView/FormMain.Designer.cs

@@ -34,6 +34,15 @@
             buttonContracts = new Button();
             buttonCourses = new Button();
             buttonEmpCourse = new Button();
+            buttonDepartmentsCreate = new Button();
+            buttonDepartmentsUpdate = new Button();
+            buttonDepartmentsDelete = new Button();
+            buttonPositionsDelete = new Button();
+            buttonPositionsUpdate = new Button();
+            buttonPositionsCreate = new Button();
+            buttonEmployeesDelete = new Button();
+            buttonEmployeesUpdate = new Button();
+            buttonEmployeesCreate = new Button();
             SuspendLayout();
             // 
             // buttonDepartments
@@ -96,11 +105,110 @@
             buttonEmpCourse.UseVisualStyleBackColor = true;
             buttonEmpCourse.Click += buttonEmployee_Courses_Click;
             // 
+            // buttonDepartmentsCreate
+            // 
+            buttonDepartmentsCreate.Location = new Point(159, 12);
+            buttonDepartmentsCreate.Name = "buttonDepartmentsCreate";
+            buttonDepartmentsCreate.Size = new Size(141, 44);
+            buttonDepartmentsCreate.TabIndex = 6;
+            buttonDepartmentsCreate.Text = "Создать 20 отделов";
+            buttonDepartmentsCreate.UseVisualStyleBackColor = true;
+            buttonDepartmentsCreate.Click += buttonDepartmentsCreate_Click;
+            // 
+            // buttonDepartmentsUpdate
+            // 
+            buttonDepartmentsUpdate.Location = new Point(306, 12);
+            buttonDepartmentsUpdate.Name = "buttonDepartmentsUpdate";
+            buttonDepartmentsUpdate.Size = new Size(141, 44);
+            buttonDepartmentsUpdate.TabIndex = 7;
+            buttonDepartmentsUpdate.Text = "Обновить 20 отделов";
+            buttonDepartmentsUpdate.UseVisualStyleBackColor = true;
+            buttonDepartmentsUpdate.Click += buttonDepartmentsUpdate_Click;
+            // 
+            // buttonDepartmentsDelete
+            // 
+            buttonDepartmentsDelete.Location = new Point(453, 12);
+            buttonDepartmentsDelete.Name = "buttonDepartmentsDelete";
+            buttonDepartmentsDelete.Size = new Size(141, 44);
+            buttonDepartmentsDelete.TabIndex = 8;
+            buttonDepartmentsDelete.Text = "Удалить 20 отделов";
+            buttonDepartmentsDelete.UseVisualStyleBackColor = true;
+            buttonDepartmentsDelete.Click += buttonDepartmentsDelete_Click;
+            // 
+            // buttonPositionsDelete
+            // 
+            buttonPositionsDelete.Location = new Point(453, 72);
+            buttonPositionsDelete.Name = "buttonPositionsDelete";
+            buttonPositionsDelete.Size = new Size(141, 44);
+            buttonPositionsDelete.TabIndex = 11;
+            buttonPositionsDelete.Text = "Удалить 50 должностей";
+            buttonPositionsDelete.UseVisualStyleBackColor = true;
+            buttonPositionsDelete.Click += buttonPositionsDelete_Click;
+            // 
+            // buttonPositionsUpdate
+            // 
+            buttonPositionsUpdate.Location = new Point(306, 72);
+            buttonPositionsUpdate.Name = "buttonPositionsUpdate";
+            buttonPositionsUpdate.Size = new Size(141, 44);
+            buttonPositionsUpdate.TabIndex = 10;
+            buttonPositionsUpdate.Text = "Обновить 50 должностей";
+            buttonPositionsUpdate.UseVisualStyleBackColor = true;
+            buttonPositionsUpdate.Click += buttonPositionsUpdate_Click;
+            // 
+            // buttonPositionsCreate
+            // 
+            buttonPositionsCreate.Location = new Point(159, 72);
+            buttonPositionsCreate.Name = "buttonPositionsCreate";
+            buttonPositionsCreate.Size = new Size(141, 44);
+            buttonPositionsCreate.TabIndex = 9;
+            buttonPositionsCreate.Text = "Создать 50 должностей";
+            buttonPositionsCreate.UseVisualStyleBackColor = true;
+            buttonPositionsCreate.Click += buttonPositionsCreate_Click;
+            // 
+            // buttonEmployeesDelete
+            // 
+            buttonEmployeesDelete.Location = new Point(453, 131);
+            buttonEmployeesDelete.Name = "buttonEmployeesDelete";
+            buttonEmployeesDelete.Size = new Size(141, 44);
+            buttonEmployeesDelete.TabIndex = 14;
+            buttonEmployeesDelete.Text = "Удалить 200 работников";
+            buttonEmployeesDelete.UseVisualStyleBackColor = true;
+            buttonEmployeesDelete.Click += buttonEmployeesDelete_Click;
+            // 
+            // buttonEmployeesUpdate
+            // 
+            buttonEmployeesUpdate.Location = new Point(306, 131);
+            buttonEmployeesUpdate.Name = "buttonEmployeesUpdate";
+            buttonEmployeesUpdate.Size = new Size(141, 44);
+            buttonEmployeesUpdate.TabIndex = 13;
+            buttonEmployeesUpdate.Text = "Обновить 200 работников";
+            buttonEmployeesUpdate.UseVisualStyleBackColor = true;
+            buttonEmployeesUpdate.Click += buttonEmployeesUpdate_Click;
+            // 
+            // buttonEmployeesCreate
+            // 
+            buttonEmployeesCreate.Location = new Point(159, 131);
+            buttonEmployeesCreate.Name = "buttonEmployeesCreate";
+            buttonEmployeesCreate.Size = new Size(141, 44);
+            buttonEmployeesCreate.TabIndex = 12;
+            buttonEmployeesCreate.Text = "Создать 200 работников";
+            buttonEmployeesCreate.UseVisualStyleBackColor = true;
+            buttonEmployeesCreate.Click += buttonEmployeesCreate_Click;
+            // 
             // FormMain
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(800, 450);
+            ClientSize = new Size(800, 376);
+            Controls.Add(buttonEmployeesDelete);
+            Controls.Add(buttonEmployeesUpdate);
+            Controls.Add(buttonEmployeesCreate);
+            Controls.Add(buttonPositionsDelete);
+            Controls.Add(buttonPositionsUpdate);
+            Controls.Add(buttonPositionsCreate);
+            Controls.Add(buttonDepartmentsDelete);
+            Controls.Add(buttonDepartmentsUpdate);
+            Controls.Add(buttonDepartmentsCreate);
             Controls.Add(buttonEmpCourse);
             Controls.Add(buttonCourses);
             Controls.Add(buttonContracts);
@@ -120,5 +228,14 @@
         private Button buttonContracts;
         private Button buttonCourses;
         private Button buttonEmpCourse;
+        private Button buttonDepartmentsCreate;
+        private Button buttonDepartmentsUpdate;
+        private Button buttonDepartmentsDelete;
+        private Button buttonPositionsDelete;
+        private Button buttonPositionsUpdate;
+        private Button buttonPositionsCreate;
+        private Button buttonEmployeesDelete;
+        private Button buttonEmployeesUpdate;
+        private Button buttonEmployeesCreate;
     }
 }

DepartmentStaffView/DepartmentStaffView/FormMain.cs

@@ -8,6 +8,8 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using System.Xml.Linq;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement;
 
 namespace DepartmentStaffView
 {
@@ -67,5 +69,183 @@ namespace DepartmentStaffView
                 form.Show();
             }
         }
+
+        private void buttonDepartmentsCreate_Click(object sender, EventArgs e)
+        {
+            string name = "departmentName";
+            string head = "departmentHead";
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 20; i++)
+            {
+                db.CreateDepartment(new()
+                {
+                    DepartmentName = $"{name}{i}",
+                    Head = $"{head}{i}",
+                });
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Добавлено 20 отделов за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonDepartmentsUpdate_Click(object sender, EventArgs e)
+        {
+            Department dep = db.GetDepartment("departmentName0");
+            int currentId = dep.Id;
+
+            string name = "new_departmentName";
+            string head = "new_departmentHead";
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 20; i++)
+            {
+                db.UpdateDepartment(new()
+                {
+                    Id = currentId + i,
+                    DepartmentName = $"{name}{i}",
+                    Head = $"{head}{i}",
+                });
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Обновлено 20 отделов за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonDepartmentsDelete_Click(object sender, EventArgs e)
+        {
+            Department dep = db.GetDepartment("new_departmentName0");
+            int currentId = dep.Id;
+
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 20; i++)
+            {
+                db.DeleteDepartment(currentId + i);
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Удалено 20 отделов за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonPositionsCreate_Click(object sender, EventArgs e)
+        {
+            string name = "positionName";
+            double salary = 52.69;
+            int depId = 2;
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 50; i++)
+            {
+                db.CreatePosition(new()
+                {
+                    PositionName = $"{name}{i}",
+                    Salary = salary,
+                    DepartmentId = depId,
+                });
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Добавлено 50 должностей за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonPositionsUpdate_Click(object sender, EventArgs e)
+        {
+            Position pos = db.GetPosition("positionName0");
+            int currentId = pos.Id;
+
+            string name = "new_positionName";
+            double salary = 52.69;
+            int depId = 2;
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 50; i++)
+            {
+                db.UpdatePosition(new()
+                {
+                    Id = currentId + i,
+                    PositionName = $"{name}{i}",
+                    Salary = salary,
+                    DepartmentId = depId,
+                });
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Обновлено 50 должностей за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonPositionsDelete_Click(object sender, EventArgs e)
+        {
+            Position pos = db.GetPosition("new_positionName0");
+            int currentId = pos.Id;
+
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 50; i++)
+            {
+                db.DeletePosition(currentId + i);
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Удалено 50 должностей за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonEmployeesCreate_Click(object sender, EventArgs e)
+        {
+            string name = "employeeName";
+            DateTime birthdate = DateTime.Now;
+            string address = "address";
+            string email = "email";
+            string phone = "phone";
+            int posId = 1;
+
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 200; i++)
+            {
+                db.CreateEmployee(new()
+                {
+                    EmployeeName = $"{name}{i}",
+                    Birthdate = birthdate,
+                    Address = address,
+                    PhoneNumber = phone,
+                    Email = email,
+                    PositionId = posId,
+                });
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Добавлено 200 работников за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonEmployeesUpdate_Click(object sender, EventArgs e)
+        {
+            Employee emp = db.GetEmployee("employeeName0");
+            int currentId = emp.Id;
+
+            string name = "new_employeeName";
+            DateTime birthdate = DateTime.Now;
+            string address = "address";
+            string email = "email";
+            string phone = "phone";
+            int posId = 1;
+
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 200; i++)
+            {
+                db.UpdateEmployee(new()
+                {
+                    Id = currentId + i,
+                    EmployeeName = $"{name}{i}",
+                    Birthdate = birthdate,
+                    Address = address,
+                    PhoneNumber = phone,
+                    Email = email,
+                    PositionId = posId,
+                });
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Обновлено 200 работников за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
+
+        private void buttonEmployeesDelete_Click(object sender, EventArgs e)
+        {
+            Employee emp = db.GetEmployee("new_employeeName0");
+            int currentId = emp.Id;
+
+            DateTime start = DateTime.Now;
+            for (int i = 0; i < 200; i++)
+            {
+                db.DeleteEmployee(currentId + i);
+            }
+            DateTime end = DateTime.Now;
+            MessageBox.Show("Удалено 200 работников за " + (end - start).Milliseconds.ToString() + " миллисекунд");
+        }
     }
 }