[hibernate-issues] [JIRA] (HHH-14134) Querying with "IS NOT EMPTY" jpql against a @OneToMany mappedBy collection is failing in mysql for Hibernate v. 5.4.11 and up

[Kean Erickson (JIRA)]

Kean Erickson ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A3afe9d63-4a56-40b5-be3e-001c223765a9 ) *commented* on HHH-14134 ( https://hibernate.atlassian.net/browse/HHH-14134?atlOrigin=eyJpIjoiYjM4ZTA5ZTQwYWJjNDVhNzlkZGRmY2NjNjNiOTdhYjQiLCJwIjoiaiJ9 )

Re: Querying with "IS NOT EMPTY" jpql against a @OneToMany mappedBy collection is failing in mysql for Hibernate v. 5.4.11 and up ( https://hibernate.atlassian.net/browse/HHH-14134?atlOrigin=eyJpIjoiYjM4ZTA5ZTQwYWJjNDVhNzlkZGRmY2NjNjNiOTdhYjQiLCJwIjoiaiJ9 )

It looks like extra parentheses are added to the select columns corresponding to an “collection IS NOT EMPTY” check in JPQL, where the collection is a @OneToMany with mappedBy. Mysql doesn’t like these added parens. The query originally in 5.4.10 came out as

> 
> 
> 
> select * from a where not (exists (
> select collection.a_id, collection.b_id from collection where a.id (
> http://a.id ) = collection.a_id));
> 
> 

But in 5.4.11 it resolves to

> 
> 
> 
> select * from a where not (exists (
> select (collection.a_id, collection.b_id) from collection where a.id (
> http://a.id ) = collection.a_id));
> 
> 

( https://hibernate.atlassian.net/browse/HHH-14134#add-comment?atlOrigin=eyJpIjoiYjM4ZTA5ZTQwYWJjNDVhNzlkZGRmY2NjNjNiOTdhYjQiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-14134#add-comment?atlOrigin=eyJpIjoiYjM4ZTA5ZTQwYWJjNDVhNzlkZGRmY2NjNjNiOTdhYjQiLCJwIjoiaiJ9 )

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