JPQL not returning expected objects when checking a boolean column

I have a Master entity with a one-to-many composition relationship to Detail. I have a datasource
masterDs and CollectionDatasource detailsDs. I can’t have detailsDs as a simple nested datasource under masterDs because I only want a subset of the details. So I have the JPQL query

SELECT e FROM sampleProject$Details e 
WHERE 
( e.master.id = :ds$masterDs )
and
(e.someOtherBoolean = true)
and
(
(e.someBoolean = true)
or
(---some other expression A that works---)
or
(---some other expression B that works---)
)

Expressions A and B work just fine. e.someOtherBoolean works just fine (insofar as I can check with expessions A and B). I am adding in the first condition e.someBoolean = true and after 5 hours of fighting it today I am no closer to getting the query to return what it needs to. I thought that perhaps someBoolean was not being instantiated. I went into my code and very explicitly instantiated it. Nothing. After googling around I found the coalesce function. I tried to modify my query as

SELECT e FROM sampleProject$Details e 
WHERE 
( e.master.id = :ds$masterDs )
and
(e.someOtherBoolean = true)
and
(
(coalesce(e.someBoolean, false) = true)
or
(---some other expression A that works---)
or
(---some other expression B that works---)
)

so that the program assumes that someBoolean is false if null. But that didn’t work either. Again, everything besides e.someBoolean works just fine; I was already using this query and I wanted to add to the subset the e.someBoolean = true case. What am I missing here? I am no SQL master so it probably is just some small SQL quirk that I don’t know to check for but any help would be appreciated.

Please check what values are actually stored in the database fields for someBoolean. Also, set DEBUG for the eclipselink.sql logger and see what SQL is issued when you run your query.

If it doesn’t help, try to reproduce the issue on a small test project and attach it here.

Thank you for the input. I figured out my error.