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105

Query over the keySet of a map field with collection parameter

It is possible to execute a query over a keySet of a map field with comparing to a collection parameter? Set<String> values = new HashSet<>(); values.add("c2"); String ... need a query over the map.keys with a parameter which is a collection of strings. SELECT e FROM
105

Navigation and Parameters

Greetings ObjectDB team, Suppose I pass a List of persistent objects to some query as a parameter, can I navigate to those objects' fields ? E.g.: SELECT x FROM ClassX x WHERE x.a IS MEMBER OF :y.b ... these objects directly. You need to use JOIN in JPA and contains in JDO. So if the parameter y is a collection the expression y.b is invalid. support Support
21

Bug when using SIZE in combination with date lower parameter

and after the date parameter. support Support Hello, to archieve the results the date parameter used in
21

Large query parameter - out of memory

. In your test the request is very large (the query parameter arguments) and the response ... with their huge query parameter arguments. Build 2.3.3_06 fixes this issue. Thank you for this report and for the test program. support Support
20

Exception on comparing array fields against parameters in queries

Exception on comparing array fields against parameters in queries
15

javax.persistence.TypedQuery

the execution of typed queries. Since: JPA 2.0 See Also: Query Parameter Learn how to define and use JPA ... number of results Since: JPA 2.0 Parameter<?> getParameter(int position) Get the parameter object corresponding to the declared positional parameter with the given position. Get the parameter object
12

javax.persistence.criteria.CriteriaBuilder

of its argument. Create an expression that returns the absolute value of its argument. Parameters: x ... an all expression over the subquery results. Create an all expression over the subquery results. Parameters ... restriction predicates. A conjunction of zero predicates is true. Parameters: restrictions - zero or
12

javax.persistence.Query

execution. Since: JPA 1.0 See Also: TypedQuery Parameter Learn how to define and use JPA/JPQL queries in ... of results Since: JPA 2.0 Parameter<?> getParameter(int position) Get the parameter object corresponding to the declared positional parameter with the given position. Get the parameter object corresponding
1

javax.jdo.JDOEntityManager

of lifecycle event listeners. The classes parameter identifies all of the classes of interest. If the classes parameter is specified as null, events for all persistent classes and interfaces ... the corresponding listenerInstance interface. Parameters: listener - the lifecycle listener classes
1

javax.jdo.PersistenceManager

. The classes parameter identifies all of the classes of interest. If the classes parameter ... listenerInstance interface. Parameters: listener - the lifecycle listener classes - the classes ... JDOUserException if the instance is transient or is managed by another PersistenceManager. Parameters: pc

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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