9 | Performance in large transactions comparison on every flush. To avoid this, we introduce now a new method, con.objectdb.Utilities |
9 | Compare old and new schema and an automatic comparison of old schema vs new schema is the only reliable way of making sure database |
9 | EntityManager JPA or JDO impl and different behavior. So if the "equals" or "hashcode" method use more than the database id for generation or comparison |
9 | Insertion Speed Rate and Batch Load, here is the batch insert speed comparison in the JPA benchmark: https://jpab.org/Basic/Persist/Many.html support |
9 | Calendar in Criteria Querys limitations. Anyway, the following example demonstrates criteria queries with Calendar. The usual comparison |
9 | substring works with string but not with char, do you agree? chris Christoph Ernst I am not sure that this comparison is valid, since the type |
9 | Possible issue for JPQL IS EMPTY expressionPossible issue for JPQL IS EMPTY comparison expression: SELECT e FROM MyEntity e WHERE e.collection-valued IS EMPTY throws javax.persistence.PersistenceException: Invalid operand type for operator IS EMPTY (error 756) Thanks. Note: It doesn' t work with SIZE(): SELECT e FROM MyEntity e WHERE SIZE(e |
9 | How to add minutes to a Date with JPA2 the current date and send the result as an argument for direct comparison with the date field |
9 | First query takes 4+ minutes to complete in comparison responds within few seconds on average with the same number of records. We hope |
1 | Tracking changes to new collections (in enhancement mode) after flush are detected. Enhancement mode is optimized to skip this comparison, relying on automatic invocation |
