6 | Method not found on... this JPQL query: SELECT g from Language g where g.hasAlias("espanol", "italian") It returns the error |
6 | Handling "is null" in where clauseGreetings, I was playing aroung with JPQL and have found that there is a problem with "is null" queries. When you use "is null" in where clause, query runs correctly, but results are incorrect. Let me show you an example: - entity @Entity public class EntityA { @Id Integer id |
6 | dual access direct SQL coding? cpanon CP ObjectDB doesn't support SQL but JDOQL and JPQL (the later is very similar |
6 | Multi-Threading/Distributed-Database Questions...Greetings ObjectDB team, All below questions assume a very large database (~1,000,000,000 objects): Q1: In what cases would ObjectDB utilize multi-threading ? how about in JOIN operations ? Q2: Is it true that two read-only JPQL queries accessing the same database file actually run simultaneously |
6 | Native ObjectDB Support for EnumSet ?/JPQL query for example: SELECT e FROM MyEntity e JOIN e.enumSet item WHERE item = :arg support Support |
6 | how explorer queries work is what's incorrect. explorer executes a user's JPQL query and it certainly doesn't have my object |
6 | How to use JOIN FETCH?The ObjectDB manual (https://www.objectdb.com/java/jpa/query/jpql/from) gives an example of using JOIN FETCH to avoid excessive round trips to the database: SELECT c FROM Country c JOIN FETCH c.capital I've tried a few variants of the following example, and haven't been able to get this to work |
6 | com.objectdb.o.NLV cannot be cast to com.objectdb.o.CMVWe are using ObjectDB 2.5.1_04. The following JPQL query causes an internal exception: SELECT COUNT(r) FROM RecordingMetaData AS r WHERE ((r.mapFromCli LIKE '192.168.10.13%' ESCAPE '\')) The exception: Caused by: java.lang.IllegalStateException: com.objectdb.o.InternalException: Unexpected |
1 | Update query null error, which are not allowed in JPQL Update queries. See discussions on this issue. ObjectDB should produce |
1 | ObjectDB BIRT Driver UpdateThe ObjectDB BIRT/ODA driver is an extension of the open source Business Intelligence and Reporting Tools (BIRT) that adds support of ObjectDB as a data source and JPQL as a data set query language. In the current implementation ObjectDB is embedded in the driver. Any 2.x version of the driver |
