Mixing
Spring Data not committing to DB
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I'm wondering what the best practice is to translate from DTO to DataBase through Spring Data ?
Here is what I've tried so far :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
em.merge(templateDTO);
}
}
However, this doesn't work. Any other way I've tried with Spring Data repository save method don't work. Notably, I've tried to fetch the entity back from DB through its id, and then update it, and save, but this doesn't seem to commit.
Thanks much.
=============
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
here are the application.properties settings :
#==== connect to calanco ======#
spring.jpa.hibernate.ddl-auto=none
spring.datasource.url=xxx
spring.datasource.username=xxx
spring.datasource.password=xxx
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.hibernate.use-new-id-generator-mapping=true
#temporary settings
spring.jpa.properties.hibernate.show_sql=false
spring.jpa.properties.hibernate.use_sql_comments=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.properties.hibernate.type=trace
spring.jpa.show-sql=true
logging.level.org.hibernate=TRACE
=============
UPDATE : Happy New Year Ken Chan ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB.
Here's the code :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
Template templateFetchFromDB = templateRepo.getOne(templateDTO.getId());
EntityToDTOConverter.fillTemplateEntityFromTemplateDTO(templateDTO, templateFetchFromDB); // does update the fields from DTO to entity fetched from DB
templateRepo.save(templateFetchFromDB);
em.persist(templateFetchFromDB); //doesn't work
em.flush();
}
}
java spring hibernate spring-boot spring-data
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
add a comment |
I'm wondering what the best practice is to translate from DTO to DataBase through Spring Data ?
Here is what I've tried so far :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
em.merge(templateDTO);
}
}
However, this doesn't work. Any other way I've tried with Spring Data repository save method don't work. Notably, I've tried to fetch the entity back from DB through its id, and then update it, and save, but this doesn't seem to commit.
Thanks much.
=============
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
here are the application.properties settings :
#==== connect to calanco ======#
spring.jpa.hibernate.ddl-auto=none
spring.datasource.url=xxx
spring.datasource.username=xxx
spring.datasource.password=xxx
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.hibernate.use-new-id-generator-mapping=true
#temporary settings
spring.jpa.properties.hibernate.show_sql=false
spring.jpa.properties.hibernate.use_sql_comments=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.properties.hibernate.type=trace
spring.jpa.show-sql=true
logging.level.org.hibernate=TRACE
=============
UPDATE : Happy New Year Ken Chan ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB.
Here's the code :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
Template templateFetchFromDB = templateRepo.getOne(templateDTO.getId());
EntityToDTOConverter.fillTemplateEntityFromTemplateDTO(templateDTO, templateFetchFromDB); // does update the fields from DTO to entity fetched from DB
templateRepo.save(templateFetchFromDB);
em.persist(templateFetchFromDB); //doesn't work
em.flush();
}
}
java spring hibernate spring-boot spring-data
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
1
are you using any ORM tool like hibernate or not. If yes then, show the configuration file also.
– Jabongg
Jan 3 at 13:56
Hello. I believe Spring Data "magic" does use Hibernate as a base. No special config just annotations (Spring Boot).
– FrèreToc
Jan 3 at 13:59
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
– FrèreToc
Jan 3 at 14:01
1
Why you do not use JpaRepository methodes ?
– TinyOS
Jan 3 at 14:14
Back after some time. Thanks TinyOS. Using Spring Data Repository already. And method "save" does a "EntityManager.persist" in the background. Honestly, don't know what solved the problem...
– FrèreToc
Feb 12 at 9:53
add a comment |
I'm wondering what the best practice is to translate from DTO to DataBase through Spring Data ?
Here is what I've tried so far :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
em.merge(templateDTO);
}
}
However, this doesn't work. Any other way I've tried with Spring Data repository save method don't work. Notably, I've tried to fetch the entity back from DB through its id, and then update it, and save, but this doesn't seem to commit.
Thanks much.
=============
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
here are the application.properties settings :
#==== connect to calanco ======#
spring.jpa.hibernate.ddl-auto=none
spring.datasource.url=xxx
spring.datasource.username=xxx
spring.datasource.password=xxx
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.hibernate.use-new-id-generator-mapping=true
#temporary settings
spring.jpa.properties.hibernate.show_sql=false
spring.jpa.properties.hibernate.use_sql_comments=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.properties.hibernate.type=trace
spring.jpa.show-sql=true
logging.level.org.hibernate=TRACE
=============
UPDATE : Happy New Year Ken Chan ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB.
Here's the code :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
Template templateFetchFromDB = templateRepo.getOne(templateDTO.getId());
EntityToDTOConverter.fillTemplateEntityFromTemplateDTO(templateDTO, templateFetchFromDB); // does update the fields from DTO to entity fetched from DB
templateRepo.save(templateFetchFromDB);
em.persist(templateFetchFromDB); //doesn't work
em.flush();
}
}
java spring hibernate spring-boot spring-data
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
I'm wondering what the best practice is to translate from DTO to DataBase through Spring Data ?
Here is what I've tried so far :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
em.merge(templateDTO);
}
}
However, this doesn't work. Any other way I've tried with Spring Data repository save method don't work. Notably, I've tried to fetch the entity back from DB through its id, and then update it, and save, but this doesn't seem to commit.
Thanks much.
=============
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
here are the application.properties settings :
#==== connect to calanco ======#
spring.jpa.hibernate.ddl-auto=none
spring.datasource.url=xxx
spring.datasource.username=xxx
spring.datasource.password=xxx
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.hibernate.use-new-id-generator-mapping=true
#temporary settings
spring.jpa.properties.hibernate.show_sql=false
spring.jpa.properties.hibernate.use_sql_comments=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.properties.hibernate.type=trace
spring.jpa.show-sql=true
logging.level.org.hibernate=TRACE
=============
UPDATE : Happy New Year Ken Chan ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB.
Here's the code :
@Transactional
public void saveTemplatesFromDTOList(List<TemplateDTO> templateDTOList) {
for (TemplateDTO templateDTO : templateDTOList) {
Template templateFetchFromDB = templateRepo.getOne(templateDTO.getId());
EntityToDTOConverter.fillTemplateEntityFromTemplateDTO(templateDTO, templateFetchFromDB); // does update the fields from DTO to entity fetched from DB
templateRepo.save(templateFetchFromDB);
em.persist(templateFetchFromDB); //doesn't work
em.flush();
}
}
java spring hibernate spring-boot spring-data
java spring hibernate spring-boot spring-data
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
edited Mar 4 at 1:30
Martijn Pieters♦
727k14425532354
727k14425532354
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
asked Jan 3 at 13:54
FrèreTocFrèreToc
63
63
1
are you using any ORM tool like hibernate or not. If yes then, show the configuration file also.
– Jabongg
Jan 3 at 13:56
Hello. I believe Spring Data "magic" does use Hibernate as a base. No special config just annotations (Spring Boot).
– FrèreToc
Jan 3 at 13:59
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
– FrèreToc
Jan 3 at 14:01
1
Why you do not use JpaRepository methodes ?
– TinyOS
Jan 3 at 14:14
Back after some time. Thanks TinyOS. Using Spring Data Repository already. And method "save" does a "EntityManager.persist" in the background. Honestly, don't know what solved the problem...
– FrèreToc
Feb 12 at 9:53
add a comment |
1
are you using any ORM tool like hibernate or not. If yes then, show the configuration file also.
– Jabongg
Jan 3 at 13:56
Hello. I believe Spring Data "magic" does use Hibernate as a base. No special config just annotations (Spring Boot).
– FrèreToc
Jan 3 at 13:59
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
– FrèreToc
Jan 3 at 14:01
1
Why you do not use JpaRepository methodes ?
– TinyOS
Jan 3 at 14:14
Back after some time. Thanks TinyOS. Using Spring Data Repository already. And method "save" does a "EntityManager.persist" in the background. Honestly, don't know what solved the problem...
– FrèreToc
Feb 12 at 9:53
1
1
are you using any ORM tool like hibernate or not. If yes then, show the configuration file also.
– Jabongg
Jan 3 at 13:56
are you using any ORM tool like hibernate or not. If yes then, show the configuration file also.
– Jabongg
Jan 3 at 13:56
Hello. I believe Spring Data "magic" does use Hibernate as a base. No special config just annotations (Spring Boot).
– FrèreToc
Jan 3 at 13:59
Hello. I believe Spring Data "magic" does use Hibernate as a base. No special config just annotations (Spring Boot).
– FrèreToc
Jan 3 at 13:59
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
– FrèreToc
Jan 3 at 14:01
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
– FrèreToc
Jan 3 at 14:01
1
1
Why you do not use JpaRepository methodes ?
– TinyOS
Jan 3 at 14:14
Why you do not use JpaRepository methodes ?
– TinyOS
Jan 3 at 14:14
Back after some time. Thanks TinyOS. Using Spring Data Repository already. And method "save" does a "EntityManager.persist" in the background. Honestly, don't know what solved the problem...
– FrèreToc
Feb 12 at 9:53
Back after some time. Thanks TinyOS. Using Spring Data Repository already. And method "save" does a "EntityManager.persist" in the background. Honestly, don't know what solved the problem...
– FrèreToc
Feb 12 at 9:53
add a comment |
1 Answer
1
active
oldest
votes
merge() only works for the @Entity instance . It does not work on DTO.
The correct way is to use entityManager to get the entity which require update , then update its value by invoking its methods. When the transaction commits , the changes you made in the entity will be updated to database. Please note that you don't need to call merge() for the update which I notice many boys are doing wrong. merge() is for updating the detached entities back to the database which is another story.
So, the general flow for updating one DTO is something like below (Please modify it for the list version for exercise :D)
@Transactional
public void saveTemplatesFromDTO(TemplateDTO dto) {
Template template = em.find(Template.class , dto.getTemplateId());
//Get DTO value to update template
template.setFoo(dto.getFoo());
template.setBar(dto.getBar());
//blablabla......
}
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
Happy New Year ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB. Here's the code :
– FrèreToc
Jan 3 at 17:36
Happy New Year ~ Then most probably it is due to you do not configure transaction property.At least , you have to@EnableTransactionManagementin your spring boot configuration and define thePlatformTransactionManager......
– Ken Chan
Jan 3 at 17:39
Thanks Ken Chan for the time. Working now (edited the OQuestion). No need for configuring the transaction, it seems
– FrèreToc
Feb 12 at 10:04
add a comment |
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merge() only works for the @Entity instance . It does not work on DTO.
The correct way is to use entityManager to get the entity which require update , then update its value by invoking its methods. When the transaction commits , the changes you made in the entity will be updated to database. Please note that you don't need to call merge() for the update which I notice many boys are doing wrong. merge() is for updating the detached entities back to the database which is another story.
So, the general flow for updating one DTO is something like below (Please modify it for the list version for exercise :D)
@Transactional
public void saveTemplatesFromDTO(TemplateDTO dto) {
Template template = em.find(Template.class , dto.getTemplateId());
//Get DTO value to update template
template.setFoo(dto.getFoo());
template.setBar(dto.getBar());
//blablabla......
}
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
Happy New Year ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB. Here's the code :
– FrèreToc
Jan 3 at 17:36
Happy New Year ~ Then most probably it is due to you do not configure transaction property.At least , you have to@EnableTransactionManagementin your spring boot configuration and define thePlatformTransactionManager......
– Ken Chan
Jan 3 at 17:39
Thanks Ken Chan for the time. Working now (edited the OQuestion). No need for configuring the transaction, it seems
– FrèreToc
Feb 12 at 10:04
add a comment |
merge() only works for the @Entity instance . It does not work on DTO.
The correct way is to use entityManager to get the entity which require update , then update its value by invoking its methods. When the transaction commits , the changes you made in the entity will be updated to database. Please note that you don't need to call merge() for the update which I notice many boys are doing wrong. merge() is for updating the detached entities back to the database which is another story.
So, the general flow for updating one DTO is something like below (Please modify it for the list version for exercise :D)
@Transactional
public void saveTemplatesFromDTO(TemplateDTO dto) {
Template template = em.find(Template.class , dto.getTemplateId());
//Get DTO value to update template
template.setFoo(dto.getFoo());
template.setBar(dto.getBar());
//blablabla......
}
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
Happy New Year ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB. Here's the code :
– FrèreToc
Jan 3 at 17:36
Happy New Year ~ Then most probably it is due to you do not configure transaction property.At least , you have to@EnableTransactionManagementin your spring boot configuration and define thePlatformTransactionManager......
– Ken Chan
Jan 3 at 17:39
Thanks Ken Chan for the time. Working now (edited the OQuestion). No need for configuring the transaction, it seems
– FrèreToc
Feb 12 at 10:04
add a comment |
merge() only works for the @Entity instance . It does not work on DTO.
The correct way is to use entityManager to get the entity which require update , then update its value by invoking its methods. When the transaction commits , the changes you made in the entity will be updated to database. Please note that you don't need to call merge() for the update which I notice many boys are doing wrong. merge() is for updating the detached entities back to the database which is another story.
So, the general flow for updating one DTO is something like below (Please modify it for the list version for exercise :D)
@Transactional
public void saveTemplatesFromDTO(TemplateDTO dto) {
Template template = em.find(Template.class , dto.getTemplateId());
//Get DTO value to update template
template.setFoo(dto.getFoo());
template.setBar(dto.getBar());
//blablabla......
}
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
merge() only works for the @Entity instance . It does not work on DTO.
The correct way is to use entityManager to get the entity which require update , then update its value by invoking its methods. When the transaction commits , the changes you made in the entity will be updated to database. Please note that you don't need to call merge() for the update which I notice many boys are doing wrong. merge() is for updating the detached entities back to the database which is another story.
So, the general flow for updating one DTO is something like below (Please modify it for the list version for exercise :D)
@Transactional
public void saveTemplatesFromDTO(TemplateDTO dto) {
Template template = em.find(Template.class , dto.getTemplateId());
//Get DTO value to update template
template.setFoo(dto.getFoo());
template.setBar(dto.getBar());
//blablabla......
}
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
answered Jan 3 at 14:39
Ken ChanKen Chan
41.6k1596114
41.6k1596114
Happy New Year ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB. Here's the code :
– FrèreToc
Jan 3 at 17:36
Happy New Year ~ Then most probably it is due to you do not configure transaction property.At least , you have to@EnableTransactionManagementin your spring boot configuration and define thePlatformTransactionManager......
– Ken Chan
Jan 3 at 17:39
Thanks Ken Chan for the time. Working now (edited the OQuestion). No need for configuring the transaction, it seems
– FrèreToc
Feb 12 at 10:04
add a comment |
Happy New Year ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB. Here's the code :
– FrèreToc
Jan 3 at 17:36
Happy New Year ~ Then most probably it is due to you do not configure transaction property.At least , you have to@EnableTransactionManagementin your spring boot configuration and define thePlatformTransactionManager......
– Ken Chan
Jan 3 at 17:39
Thanks Ken Chan for the time. Working now (edited the OQuestion). No need for configuring the transaction, it seems
– FrèreToc
Feb 12 at 10:04
Happy New Year ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB. Here's the code :
– FrèreToc
Jan 3 at 17:36
Happy New Year ;) I did try to fetch the entity back from DB, update it, and save, but it doesn't persist into DB. Here's the code :
– FrèreToc
Jan 3 at 17:36
Happy New Year ~ Then most probably it is due to you do not configure transaction property.At least , you have to
@EnableTransactionManagement in your spring boot configuration and define the PlatformTransactionManager......– Ken Chan
Jan 3 at 17:39
Happy New Year ~ Then most probably it is due to you do not configure transaction property.At least , you have to
@EnableTransactionManagement in your spring boot configuration and define the PlatformTransactionManager......– Ken Chan
Jan 3 at 17:39
Thanks Ken Chan for the time. Working now (edited the OQuestion). No need for configuring the transaction, it seems
– FrèreToc
Feb 12 at 10:04
Thanks Ken Chan for the time. Working now (edited the OQuestion). No need for configuring the transaction, it seems
– FrèreToc
Feb 12 at 10:04
add a comment |
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1
are you using any ORM tool like hibernate or not. If yes then, show the configuration file also.
– Jabongg
Jan 3 at 13:56
Hello. I believe Spring Data "magic" does use Hibernate as a base. No special config just annotations (Spring Boot).
– FrèreToc
Jan 3 at 13:59
Hello Nathan. Thanks. It doesn't update in the logs either. No UPDATE instruction just SELECT
– FrèreToc
Jan 3 at 14:01
1
Why you do not use JpaRepository methodes ?
– TinyOS
Jan 3 at 14:14
Back after some time. Thanks TinyOS. Using Spring Data Repository already. And method "save" does a "EntityManager.persist" in the background. Honestly, don't know what solved the problem...
– FrèreToc
Feb 12 at 9:53