[hibernate-issues] [JIRA] (HHH-13910) MySQL57Dialect selected by automatic dialect resolution when using MySQL 8.0 database

[Stephen Fikes (JIRA)]

Stephen Fikes ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Adde519e7-180d-44ff-847c-c33e8b81dfed ) *updated* an issue

Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiOWI0MmFkNzM2ODI1NGM5MzkzZmQ3ZWQyYzMyMWU3NDIiLCJwIjoiaiJ9 ) / Bug ( https://hibernate.atlassian.net/browse/HHH-13910?atlOrigin=eyJpIjoiOWI0MmFkNzM2ODI1NGM5MzkzZmQ3ZWQyYzMyMWU3NDIiLCJwIjoiaiJ9 ) HHH-13910 ( https://hibernate.atlassian.net/browse/HHH-13910?atlOrigin=eyJpIjoiOWI0MmFkNzM2ODI1NGM5MzkzZmQ3ZWQyYzMyMWU3NDIiLCJwIjoiaiJ9 ) MySQL57Dialect selected by automatic dialect resolution when using MySQL 8.0 database ( https://hibernate.atlassian.net/browse/HHH-13910?atlOrigin=eyJpIjoiOWI0MmFkNzM2ODI1NGM5MzkzZmQ3ZWQyYzMyMWU3NDIiLCJwIjoiaiJ9 )

Change By: Stephen Fikes ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Adde519e7-180d-44ff-847c-c33e8b81dfed )

With MySQL 8 (e.g. 8.0.19), looks like  {{ MySQL57Dialect }}  is [selected|https://github.com/hibernate/hibernate-orm/blob/5.3.15/hibernate-core/src/main/java/org/hibernate/dialect/Database.java#L338-L351] instead of  {{ MySQL8Dialect }} . Wrote a test that was examining the connection metadata:

{noformat}
... INFO ... HHH000400: Using dialect: org.hibernate.dialect.MySQL57Dialect
...
... INFO ... Database server : MySQL 8.0.19
... INFO ... Database driver : MySQL Connector/J mysql-connector-java-8.0.19 (Revision: a0ca826f5cdf51a98356fdfb1bf251eb042f80bf)
{noformat}

( https://hibernate.atlassian.net/browse/HHH-13910#add-comment?atlOrigin=eyJpIjoiOWI0MmFkNzM2ODI1NGM5MzkzZmQ3ZWQyYzMyMWU3NDIiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-13910#add-comment?atlOrigin=eyJpIjoiOWI0MmFkNzM2ODI1NGM5MzkzZmQ3ZWQyYzMyMWU3NDIiLCJwIjoiaiJ9 )

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