Christian Beikov comments

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                                            Christian Beikov

Cannot create own CustomCollectionPersister

>However, when I manually crafted a multi-value insert query, the execution time drastically improved to just 0.5 seconds. What database is this? I would say that the JDBC driver implementation...

CompositeAttributeFlusher throws NPE on some operations

Looks like a concurrency issue, but I have to think through this a bit to understand how this can happen.

Pagination in queries that join on an @OneToMany or @ManyToMany attribute return duplicate results

Note that this query doesn't make a lot of sense which is why I'll assign a low priority, but I agree that it should ideally be fixed to skip duplicates...

Pagination in queries that join on an @OneToMany or @ManyToMany attribute return duplicate results

@rybandrei2014 let's continue with your question on #1914

When using QueryDSL+CTE+LeftJoin, the CTE part isn't parsed correctly as a subquery while executing fetchCount()

A reproducer that uses just the core `CriteriaBuilder` API would be very helpful.

Filtering the collection on Multiset FetchStrategy - array predicate syntax

Do other fetch strategies work?

Multiple roots generated for limit mapping with intermediate association

Don't worry about this. I think I have a test for this, but did not find the time yet to fix this as it is rather complex.

@Formula annotation adds formula into group by clause

I think you can workaround this by disabling implicit group by generation for the select clause: https://persistence.blazebit.com/documentation/1.6/core/manual/en_US/#IMPLICIT_GROUP_BY_FROM_SELECT

@Formula annotation adds formula into group by clause

It might be that BP expands an entity alias in group by to all the properties in order to workaround some Hibernate translation issues.

@Formula annotation adds formula into group by clause

Standard QueryDSL does not attempt to create an implicit group by clause, that's why it works. Blaze-Persistence tries to match the needs of SQL when Hibernate fails to do so....