Suppose that I have a JPA-annotated class called MyData with a primary identifier field (BigDecimal type called \"primaryID\"), and two Boolean fields called \"fieldA\" and \"fieldB\".开发者_JAVA百科W
I have a JPQL like this one: select distinct d from Depart开发者_如何学运维ment d left join fetch d.employees
In one of my projects I have the following situation: I have \"Availability Objects\" that have a starting date and an end date. Users query for these by defining a date range of their own.
immagine following problem: somebody wants to buy a basket of fruit containing green fruits from Africa and South America but no red fruits from Africa.
I wonder if there is a good solution to 开发者_运维问答build a JPQL query (my query is too \"expressive\" and i cannot use Criteria) based on a filter.
I am new to Play and Hibernate and working on a project. I love it so far! I ran into a new problem recently. I have a table of people. I then have a ManyToMany relationship in that classthat referen
Let\'s depict the following use case: I have a JPQL Query which on the fly creates data objects using the new keyword. In the SELECT clause I would like to inject an attribute which is not known to th
Hibernate is generating the SQL for the following query : select pcp.id from PersistentContentProfile pcp where pcp.service.id = :service_id and exists(select 1 from Subscription s where s.contentPro
I want to write this SQL statement in eclipse JPQL query. It works in SQL but I\'m not sure how to write it in eclipse.
I\'m trying to get an average for a count on a groupBy by joining with a subquery. Don\'t know if that the right way to go at all but I couldn\'t anything about subqueries other than the mysema doc.
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