Category Archives: Criteria

JDO 3.2 JDOQLTypedQuery

JDO 3.2 is now standardising what we initially developed as a DataNucleus extension for JDO querying, namely typesafe queries. In DataNucleus upto and including v4.1 it was referred to as JDOQL Typesafe Query, and in JDO 3.2 (DataNucleus v4.2+) it … Continue reading

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JDO Typesafe .vs. JPA Criteria

JPA2 introduced its “Criteria” queries, providing an API for typesafe query generation without the need to hardcode field names etc in queries; it built on the approach of Hibernate Criteria. DataNucleus includes a proposal for JDO “Typesafe” queries. It takes … Continue reading

Posted in Criteria, JDO, JDOQL, JPA, LINQ, Typesafe | 9 Comments