Batch inserts in Spring style and batch per transaction

Author: AnghelLeonard

HibernateSpringBootBatchInsertsSpringStyleBatchPerTransaction/src/main/java/com/bookstore/impl/BatchRepositoryImpl.java

@@ -5,9 +5,10 @@
 import javax.persistence.EntityManager;
 import org.springframework.data.jpa.repository.support.JpaEntityInformation;
 import org.springframework.data.jpa.repository.support.SimpleJpaRepository;
+import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 
-@Transactional(readOnly = true)
+@Transactional(propagation = Propagation.NEVER)
 public class BatchRepositoryImpl<T, ID extends Serializable>
         extends SimpleJpaRepository<T, ID> implements BatchRepository<T, ID> {
 

HibernateSpringBootBatchInsertsSpringStyleBatchPerTransaction/src/main/resources/application.properties

@@ -3,7 +3,7 @@ spring.datasource.username=root
 spring.datasource.password=root
 
 spring.jpa.hibernate.ddl-auto=create
-spring.jpa.show-sql=true
+spring.jpa.show-sql=false
 
 spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
 
@@ -17,3 +17,8 @@ spring.jpa.properties.hibernate.cache.use_second_level_cache=false
 # spring.jpa.properties.hibernate.order_inserts=true
 
 spring.jpa.properties.hibernate.generate_statistics=true
+
+logging.level.ROOT=INFO
+logging.level.org.hibernate.engine.transaction.internal.TransactionImpl=DEBUG
+logging.level.org.springframework.orm.jpa=DEBUG
+logging.level.org.springframework.transaction=DEBUG