19 | how to query by properties of onetomany relations? (Error 990) future versions. However, this query is invalid. You cannot navigate through collections in JPQL directly ... ; } } } This is of course an extension to the standard JPQL. The following 2 queries are now equivalent ... using standard JPQL by setting the following query hint: em.setProperty("objectdb.query-language |
18 | JPA inheritance issue with ObjectDB - Field not found in type error Vtm extends PharmaceuticalItem implements Serializable { // ... } I have a JPQL query that looks like this: String jpql = "Select vtm " + " from Vtm vtm ... > parameters) { System.out.println("findByJpql"); System.out.println("JPQL: " + temSQL |
18 | Issue with Casting / Joins out of here?? thanks so much Alex quasado Alexander Adam You may try using a string based (JPQL) query instead ... an extension to JPQL). support Support Hi, Actually I need to stick with the Criteria API as a lot ... in JPQL though I was under the impression that it is supported within the Criteria API or isn't |
16 | Explorer in 2.3 to do ad-hoc JPQL queries and navigate through the results and even make small changes to primitive ... queries (JPQL, JDOQL and ObjectDB extensions) are supported. SHA1.hash("mypassword") is currently ... to set a value when editing a field, not a JPQL expression in a query. For example, I double click |
13 | Updating JPA Entity Objects have to be modified in one operation. The UPDATE Queries in JPA/JPQL in chapter 4 explains how to use JPA UPDATE queries. |
5 | javax.persistence.Queryjavax.persistence Interface Query Subinterfaces: TypedQuery Interface used to control query execution. Since: JPA 1.0 See Also: TypedQuery Parameter Learn how to define and use JPA/JPQL queries in ... .0 ObjectDB Notes: Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA |
4 | javax.persistence.Parameterjavax.persistence Interface Parameter<T> Subinterfaces: ParameterExpression Type for query parameter objects. Since: JPA 2.0 See Also: Query TypedQuery Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. String getName() Return the parameter name, or null |
4 | getFirstResult()Method javax.persistence.Query int getFirstResult() The position of the first result the query object was set to retrieve. Returns 0 if setFirstResult was not applied to the query object. Returns: position of the first result Since: JPA 2.0 Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. |
4 | javax.persistence.TypedQueryjavax.persistence Interface TypedQuery<X> Superinterfaces: Query Interface used to control the execution of typed queries. Since: JPA 2.0 See Also: Query Parameter Learn how to define and use JPA/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete |
2 | Step 4: Create an ObjectDB Data Set contains Point entity objects. We will use a simple JPQL query that retrieves points with x value in |
