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Is there a Hibernate dialect for MySQL 8? Or should I use the org.hibernate.dialect.MySQL57Dialect that ships with Hibernate?
I’m using hibernate 5.2.16
MySQL8Dialect(org.hibernate.dialect.MySQL8Dialect) is available in hibernate bundle 5.3.1.Final. You can use:
org.hibernate.dialect.MySQL8Dialect
2
yes, For MySQL8, use org.hibernate.dialect.MySQL8Dialect
1
If you are using Gradle (e.g. for Grails) just configure:
in application.yml
dataSource:
...
driverClassName: com.mysql.cj.jdbc.Driver
dialect: org.hibernate.dialect.MySQL8Dialect
....
in build.gradle
dependencies {
...
runtime 'mysql:mysql-connector-java:8.0.17'
...
Pay attention on mysql-connector version and non-deprecated driver class name
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL8Dialect
spring.jpa.properties.hibernate.dialect.storage_engine=innodb
got from here
Yes, MySQL8Dialect for MySql 8.
In my case I have used MySQL8Dialect for MySql 8 in my spring boot application by following way:
spring.jpa.database-platform=org.hibernate.dialect.MySQL8Dialect
1
Looking over at MySQL 8’s release notes, MySQL 8.x has been in development and has only been out for GA since 2018-04-19 (less than a month ago), so I doubt there would be a dialect already made specifically for it.
You can see a list of all hibernate dialects here, and as you can see, there is no MySQL 8 dialect.
MySQLDialect
should only be used for MySQL 5 and earlier whereas MySQL57Dialect
should be used for MySQL 5.x as well as 8.x for now.
1
If you are using SpringBoot
spring:
jpa:
hibernate:
ddl-auto: update
database-platform: org.hibernate.dialect.MySQL8Dialect
I had the similar query as I installed MySQL 8 Server and tried to interact with the same using my Spring Boot Application.
But I was unable to do so.
When I explored the Source Code of MySQL5Dialect class, it’s documentation clearly mentions that this dialect class has been dedicated to MySQL 5.X versions.
I am not sure whether it supports MySQL 8.X versions.
Thus I would suggest to use MySQL 5.X till an official dialect is released with Hibernate.
I was able to resolve this by simply adding the configuration below to my application.properties
file.
#Hibernate
spring.jpa.properties.hibernate.dialect= org.hibernate.dialect.MySQL8Dialect
spring.jpa.driverClassName= com.mysql.cj.jdbc.Driver
default
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