doc update

README.md

@@ -32,4 +32,45 @@ Important aspect of dirty-checking is its connection with `@Immutable`
 entities. In short: immutable entities are not tracked by this mechanism.
 
 To get more information please refer my other project
-https://github.com/mtumilowicz/hibernate-immutable
+https://github.com/mtumilowicz/hibernate-immutable
+
+# project description
+We log all queries (`application.properties`):
+```
+spring.jpa.properties.hibernate.show_sql=true
+```
+and in `DirtyCheckTest` we perform operations to show how dirty-checking
+in hibernate works:
+* `noChange`
+ ```
+ noChange start
+ Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_ from customer customer0_ where customer0_.id=?
+ Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
+ noChange end
+ ```
+* `field_change`
+ ```
+ field_change start
+ Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_ from customer customer0_ where customer0_.id=?
+ Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
+ Hibernate: update customer set name=? where id=?
+ field_change end 
+ ```
+* `change_in_collection`
+ ```
+ change_in_collection start
+ Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_, issues1_.issues_id as issues_i3_1_1_, issues1_.id as id1_1_1_, issues1_.id as id1_1_2_, issues1_.description as descript2_1_2_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
+ Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
+ Hibernate: select issue0_.id as id1_1_0_, issue0_.description as descript2_1_0_ from issue issue0_ where issue0_.id=?
+ Hibernate: insert into issue (description, id) values (?, ?)
+ Hibernate: update issue set issues_id=? where id=?
+ change_in_collection end 
+ ```
+* `field_change_in_relation`
+ ```
+ field_change_in_relation start
+ Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_, issues1_.issues_id as issues_i3_1_1_, issues1_.id as id1_1_1_, issues1_.id as id1_1_2_, issues1_.description as descript2_1_2_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
+ Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
+ Hibernate: update issue set description=? where id=?
+ field_change_in_relation end 
+ ```

src/test/java/com/example/hibernatedirtychecking/DirtyCheckTest.java

@@ -50,11 +50,6 @@ public void noChange() {
 
  repository.save(customer);
  System.out.println("noChange end");
-
-// noChange start
-// Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_ from customer customer0_ where customer0_.id=?
-// Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
-// noChange end
  }
 
  @Test
@@ -65,12 +60,6 @@ public void field_change() {
 
  repository.save(customer);
  System.out.println("field_change end");
-
-// field_change start
-// Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_ from customer customer0_ where customer0_.id=?
-// Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
-// Hibernate: update customer set name=? where id=?
-// field_change end
  }
 
  @Test
@@ -84,14 +73,6 @@ public void change_in_collection() {
 
  repository.save(customer);
  System.out.println("change_in_collection end");
-
-// change_in_collection start
-// Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_, issues1_.issues_id as issues_i3_1_1_, issues1_.id as id1_1_1_, issues1_.id as id1_1_2_, issues1_.description as descript2_1_2_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
-// Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
-// Hibernate: select issue0_.id as id1_1_0_, issue0_.description as descript2_1_0_ from issue issue0_ where issue0_.id=?
-// Hibernate: insert into issue (description, id) values (?, ?)
-// Hibernate: update issue set issues_id=? where id=?
-// change_in_collection end
  }
 
  @Test
@@ -102,11 +83,5 @@ public void field_change_in_relation() {
 
  repository.save(customer);
  System.out.println("field_change_in_relation end");
-
-// field_change_in_relation start
-// Hibernate: select customer0_.id as id1_0_0_, customer0_.name as name2_0_0_, issues1_.issues_id as issues_i3_1_1_, issues1_.id as id1_1_1_, issues1_.id as id1_1_2_, issues1_.description as descript2_1_2_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
-// Hibernate: select customer0_.id as id1_0_1_, customer0_.name as name2_0_1_, issues1_.issues_id as issues_i3_1_3_, issues1_.id as id1_1_3_, issues1_.id as id1_1_0_, issues1_.description as descript2_1_0_ from customer customer0_ left outer join issue issues1_ on customer0_.id=issues1_.issues_id where customer0_.id=?
-// Hibernate: update issue set description=? where id=?
-// field_change_in_relation end
  }
 }