Intercept the generated SQL for logging or altering

Author: AnghelLeonard

HibernateSpringBootInterceptSql/README.md

@@ -1,20 +1,10 @@
-**[How To Avoid `LazyInitializationException` Via `JOIN FETCH`](https://github.com/AnghelLeonard/Hibernate-SpringBoot/tree/master/HibernateSpringBootJoinFetch)**
+**[How To Intercept The Generated SQL For Logging Or Altering](https://github.com/AnghelLeonard/Hibernate-SpringBoot/tree/master/HibernateSpringBootInterceptSql)**
 
-**See also:**
-- [LEFT JOIN FETCH](https://github.com/AnghelLeonard/Hibernate-SpringBoot/tree/master/HibernateSpringBootLeftJoinFetch)
-- [JOIN VS. JOIN FETCH](https://github.com/AnghelLeonard/Hibernate-SpringBoot/tree/master/HibernateSpringBootJoinVSJoinFetch)
-
-**Description:** Typically, when we get a `LazyInitializationException` we tend to modify the association fetching type from `LAZY` to `EAGER`. That is very bad! This is a [code smell](https://vladmihalcea.com/eager-fetching-is-a-code-smell/). Best way to avoid this exception is to rely on `JOIN FETCH` (if you plan to modify the fetched entities) or `JOIN` + DTO (if the fetched data is only read). `JOIN FETCH` allows associations to be initialized along with their parent objects using a single `SELECT`. This is particularly useful for fetching associated collections. 
-
-This application is a `JOIN FETCH` example for avoiding `LazyInitializationException`. 
+**Description:** Sometimes we need to intercept the generated SQL that originates from Spring Data, `EntityManager`, Criteria API, `JdbcTemplate` and so on. This can be done as in this sample application. After interception, you can log, modify or even return a brand new SQL that will be executed in the end.
 
 **Key points:**
-- define two related entities (e.g., `Author` and `Book` in a `@OneToMany` lazy-bidirectional association)
-- write a JPQL `JOIN FETCH` to fetch an author including his books
-- write a JPQL `JOIN FETCH` (or `JOIN`) to fetch a book including its author
-
-**Output example:**\
-![](https://github.com/AnghelLeonard/Hibernate-SpringBoot/blob/master/HibernateSpringBootJoinFetch/hibernate%20spring%20boot%20join%20fetch.png) 
+- define an implementation of Hibernate `StatementInspector` SPI
+- configure this SPI in `application.properties` via `spring.jpa.properties.hibernate.session_factory.statement_inspector`
 
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