[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 ) *created* an issue

Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiZjhiMzRmMTIyMGRhNGEwYWJjNzhlZDA2YTAwZWY1YjEiLCJwIjoiaiJ9 ) / Bug ( https://hibernate.atlassian.net/browse/HHH-13910?atlOrigin=eyJpIjoiZjhiMzRmMTIyMGRhNGEwYWJjNzhlZDA2YTAwZWY1YjEiLCJwIjoiaiJ9 ) HHH-13910 ( https://hibernate.atlassian.net/browse/HHH-13910?atlOrigin=eyJpIjoiZjhiMzRmMTIyMGRhNGEwYWJjNzhlZDA2YTAwZWY1YjEiLCJwIjoiaiJ9 ) MySQL57Dialect selected by automatic dialect resolution when using MySQL 8.0 database ( https://hibernate.atlassian.net/browse/HHH-13910?atlOrigin=eyJpIjoiZjhiMzRmMTIyMGRhNGEwYWJjNzhlZDA2YTAwZWY1YjEiLCJwIjoiaiJ9 )

Issue Type: Bug Affects Versions: 5.3.15 Assignee: Unassigned Components: hibernate-core Created: 26/Mar/2020 06:37 AM Environment: Hibernate 5.3.14 / 5.3.15
MySQL 8.0.19 Priority: Major Reporter: 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:

... 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)

( https://hibernate.atlassian.net/browse/HHH-13910#add-comment?atlOrigin=eyJpIjoiZjhiMzRmMTIyMGRhNGEwYWJjNzhlZDA2YTAwZWY1YjEiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-13910#add-comment?atlOrigin=eyJpIjoiZjhiMzRmMTIyMGRhNGEwYWJjNzhlZDA2YTAwZWY1YjEiLCJwIjoiaiJ9 )

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