Easier said than done right? R U suggesting not to user cursors at all? Unless you have an example of this using cursor, it sounds like it will have performance issues on really large data sets.
On Apr 29, 5:23 pm, ljw1001 <[email protected]> wrote: > Use limit and offset on the query filter to do your paging > > Sent from my iPhone > > On Apr 29, 2010, at 4:37 PM, brendan <[email protected]> wrote: > > > > > If it did, this would be useful when the user selects to display the > > previous page. > > > On Apr 30, 6:17 am, korey_sed <[email protected]> wrote: > >> I wonder if the java datastore API's cursor is a forward only cursor > >> or not? if not, how do you go back? > > >> q.setExtend(-20,0) //to get the previous 20? > > >> -- > >> You received this message because you are subscribed to the Google > >> Groups "Google App Engine for Java" 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 athttp://groups.google.com/group/ > >> google-appengine-java?hl=en. > > > -- > > You received this message because you are subscribed to the Google > > Groups "Google App Engine for Java" 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 > > athttp://groups.google.com/group/google-appengine-java?hl=en > > . > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" 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 > athttp://groups.google.com/group/google-appengine-java?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" 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-java?hl=en.
