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https://issues.jboss.org/browse/AS7-4135?page=com.atlassian.jira.plugin.s...
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Scott Marlow commented on AS7-4135:
-----------------------------------
I believe that Hibernate bugs should be reported in
https://hibernate.onjira.com/browse/HHH. The AS7 JPA/Hibernate jira category is for JPA
issues that are not Hibernate issues (e.g. handling of container managed persistence
context).
For discussing issues like this, try opening a [discussion
forum|https://community.jboss.org/choose-container!input.jspa?contentType...]
thread next time.
Count query on classes mapped as EmbeddedId with multiple Id's
fail to execute
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Key: AS7-4135
URL:
https://issues.jboss.org/browse/AS7-4135
Project: Application Server 7
Issue Type: Bug
Components: JPA / Hibernate
Affects Versions: 7.1.1.Final
Environment: Verified on MySQL and MariaDB
Reporter: Ståle Pedersen
Assignee: Scott Marlow
Priority: Critical
When doing a count on a class mapped as EmbeddedId with multiple Id's the generated
sql will fail on several db's (tested on MySQL/MariaDB) since hibernate generate a
count sql containing all the id's.
Hibernate creates a different (correct) sql on classes mapped with IdClass and multiple
Id's.
A simple test that verify the difference between the two:
https://github.com/stalep/hibernate-orm/commit/54911765de7981ec9a2318fc99...
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