HI Basil Unfortunately 'like' isn't supported. The underlying datastore has no such capability despite your ability to define it in JDO.
T On May 1, 12:44 am, Basil Dsouza <[email protected]> wrote: > Hello, > > I am a newbie in JDO (been trying it for about 2 days) and I am facing > writing queries to retrieve data. I dont know if this is a problem > specifically with the google supported implementation of JDO or > something i am doing wrong. > > I am trying to write a where containing the equivalent of the "LIKE" > keyword. > Specifically I am doing: > query.setFilter("firstName.matches(firstNameParam) && lastName.matches > (lastNameParam)"); > > this is what i found on the net, though it doesnt work > (http://www.theserverside.com/tt/articles/article.tss?l=JDOQueryPart1) > > The error I get is: > Apr 30, 2009 9:51:27 PM com.google.apphosting.utils.jetty.JettyLogger > warn > WARNING: Nested in org.apache.jasper.JasperException: > org.datanucleus.store.appengine.query.DatastoreQuery > $UnsupportedDatastoreFeatureException: Problem with query <SELECT FROM > com.basildsouza.odometer.datalayer.dataobjects.User WHERE > firstName.matches(firstNameParam) && lastName.matches(lastNameParam) > PARAMETERS String firstNameParam, String lastNameParam ORDER BY > lastName asc, firstName asc>: Unexpected expression type while parsing > query: org.datanucleus.query.expression.InvokeExpression: > org.datanucleus.store.appengine.query.DatastoreQuery > $UnsupportedDatastoreFeatureException: Problem with query <SELECT FROM > com.basildsouza.odometer.datalayer.dataobjects.User WHERE > firstName.matches(firstNameParam) && lastName.matches(lastNameParam) > PARAMETERS String firstNameParam, String lastNameParam ORDER BY > lastName asc, firstName asc>: Unexpected expression type while parsing > query: org.datanucleus.query.expression.InvokeExpression > > I have tried the like clause directly, and predictably, that didnt > work. > > Any clues as to how should I get this working? Or should I be asking > this on a JDO forum? > > Thanks and Regards, > Basil Dsouza --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
