You can set your own primary key. For multi-property based keys you can manually construct the key name, giving you the same result.
Check the documentation for more information. http://code.google.com/appengine/docs/java/datastore/creatinggettinganddeletingdata.html Robert On Fri, Aug 13, 2010 at 12:03 AM, Jeevan <[email protected]> wrote: > Hi all, > I developing an application on app engine using data store. We had 30 > tables and more numbers of fields in the relational DB (mySql). I want > to deploy it on the google app engine using data store. How can I > implement it using google data store, should I create 30 objects or is > that enough create only one object and create all the fields in only > one object. How I set primary key on multiple keys? Is there any need > to set primary key. I will be using Lucene to search data. > > Thanks in advance. > . > > -- > 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. > > -- 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.
