| Re: [eclipselink-users] [JPA Criteria Api] CriteriaBuilder coalesce java.lang.ClassCastException |
Yes, it should allow a literal, please log a bug for this and vote for it. MarcNuri wrote: > > Hello. > When using the method coalesce with an Expression and a literal such as: > > criteriaBuilder.coalesce(root.get(attribute),0d) > > throws an exception: > Caused by: java.lang.ClassCastException: java.lang.Double cannot be cast > to org.eclipse.persistence.internal.jpa.querydef.InternalSelection > at > org.eclipse.persistence.internal.jpa.querydef.CriteriaBuilderImpl.coalesce(CriteriaBuilderImpl.java:2117) > > As a workaround I use: > criteriaBuilder.coalesce(root.get(attribute),criteriaBuilder.literal(0d)) > > From my understanding I think that the api supports coalesce with java > objects directly. Am I wrong? > > Regards > -- > Marc Nuri > ----- http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland http://www.eclipse.org/eclipselink/ EclipseLink , http://www.oracle.com/technology/products/ias/toplink/ TopLink Wiki: http://wiki.eclipse.org/EclipseLink EclipseLink , http://wiki.oracle.com/page/TopLink TopLink Forums: http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink , http://www.nabble.com/EclipseLink-f26430.html EclipseLink Book: http://en.wikibooks.org/wiki/Java_Persistence Java Persistence Blog: http://java-persistence-performance.blogspot.com/ Java Persistence Performance -- View this message in context: http://old.nabble.com/-JPA-Criteria-Api--CriteriaBuilder-coalesce-java.lang.ClassCastException-tp31163588p31229401.html Sent from the EclipseLink - Users mailing list archive at Nabble.com.