I have this query: SELECT @rownum:=@rownum+1 \'no\', m.title, m.author, REPLACE(SUBSTRING_INDEX(m.content, \' \', 20), \'<br>\', \' \'), m.viewed, m.hashid FROM book m, (SELECT @rownum:=0) r WH
We are using jboss managed EntityMangerFactory using following spring bean <jee:jndi-lookup id=\"entityManagerFactory\" jndi-name=\"persistence-units/myPU\"/>
In many sources I have read PrimaryKey Classes and even JPA2 entities should be serializable. IN my example (legacy database) there is a relationship between employee and languages:
I wan开发者_如何学Ct to create equivalent CriteriaQuery to this query : select u from User u where u.name = \"John\" and u.surname = \"Black\" and u.middlename = \"Small\";
Is it possible to change this @NamedQuery query: SELECT @rownum:=@rownum+1 \'no\', m.title, m.author, REPLACE(SUBSTRING_INDEX(m.content, \' \', 20),开发者_开发问答 \'<br>\', \' \'), m.viewed, m
I was not getting lazy loading on either class until I addedbytecode instrumentation via: <plugin>
I have two entities in a @ManyToMany relationship. // Output has 4 other @ManyToOne relationships if that matters
So I have a entity Notification, that has a boolean attribute readStatus to determine of a notification has been read or not. When I click a button, I w开发者_Python百科ant to write a JPQL that retrie
I have a class Customer and CustomerDependant entities. Customer has many to many bi-directional relationship with its dependents. I need to find customers filtering by name and dependent name.
I\'ve a database with two tables (more actually, but that shouldn\'t matter in this case). One of the two has a foreign key reference to the other. These could be the mappings:
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