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PC29-Hibernate/src/main/java/dto/MiniEmp.java

@@ -16,14 +16,14 @@ public class MiniEmp {
 		this.lastName = lastName;
 		this.jobTitle = jobTitle;
 		this.salary = salary;
-		System.out.println("salary YES");
+		//System.out.println("salary YES");
 	}
 
 	public MiniEmp(String firstName, String lastName, String jobTitle) {
 		this.firstName = firstName;
 		this.lastName = lastName;
 		this.jobTitle = jobTitle;
-		System.out.println("salary NO");
+		//System.out.println("salary NO");
 	}
 
 	public String getFirstName() {

PC29-Hibernate/src/main/java/model/Employee.java

@@ -47,7 +47,8 @@ public class Employee extends WspolnaNadklasa implements Serializable {
 	private Department department;
 
 	//uni-directional many-to-one association to Employee
-	@ManyToOne
+	// obiekt manager nie jest od razu wczytywany, tylko gdyby ktoś bezpośrednio pobrał za pomocą getManager()
+	@ManyToOne(fetch=FetchType.LAZY)
 	@JoinColumn(name="manager_id")
 	private Employee manager;
 

PC29-Hibernate/src/main/java/stare_przyklady/Criteria1.java

@@ -18,8 +18,8 @@ public class Criteria1 {
 		EntityManager em = emf.createEntityManager();
 
 		CriteriaBuilder cb = em.getCriteriaBuilder();
-		CriteriaQuery<Employee> cq = cb.createQuery(Employee.class);
-		Root<Employee> root = cq.from(Employee.class);
+		CriteriaQuery<Employee> cq = cb.createQuery(Employee.class); // typ wyniku
+		Root<Employee> root = cq.from(Employee.class); // tabela źródłowa
 		cq.select(root);
 		
 		TypedQuery<Employee> query = em.createQuery(cq);

PC29-Hibernate/src/main/java/stare_przyklady/Odczyt06_Warunek.java

@@ -40,6 +40,7 @@ public class Odczyt06_Warunek {
 			System.out.println("Ilość rekordów " + lista.size());
 			for (Employee employee : lista) {
 				System.out.println(employee.getFirstName() + " " + employee.getLastName());
+				//System.out.println(employee.getJob());
 			}
 			
 		} finally {

PC29-Hibernate/src/main/java/stare_przyklady/Odczyt14_Native.java

@@ -23,6 +23,7 @@ public class Odczyt14_Native {
 		             job_title AS "jobTitle",
 		             salary AS "salary",
 		             round(avg(salary) OVER (PARTITION BY department_id), 2) AS "depAvg",
+		             round(salary - avg(salary) OVER (PARTITION BY department_id), 2) AS "diff",
 		             rank() OVER (PARTITION BY department_id ORDER BY salary DESC) AS "depPos",
 		             rank() OVER (ORDER BY salary DESC) AS "globalPos"
 	             FROM departments d