Jeff, I think you are confused. You can use Hibernate and JDO on top of SQL.
Since both CloudDB and jiql provide a SQL interface to the datastore, you could use either JDO or Hibernate on top of either CloudDB or jiql and it should work flawlessly. Cheers, Guillermo. On 30 mar, 04:51, Jeff Schnitzer <j...@infohazard.org> wrote: > Hey, so one of the things I complained about in Andreas' great article > is the difficulty of doing analytics on appengine. GAE is great for > operational systems, but ad-hoc queries require writing a bunch of > code that is further complicated by the > queue-30s-write-temp-data-to-datastore-requeue process. Painful. > > I miss being able to run SQL. I *don't* miss writing code against > JDBC, and I *don't* miss configuring Java<->SQL systems like > Hibernate, but I do miss the SQL command prompt when I want to know > how many users logged in last week or what they've been doing. > > I'm tantalized by systems like Cloud2db and Jiql but it seems like > you're focusing on building operational systems with JDBC. I'm much > happier writing my operational code in java at the higher level of > objects and getting the better fidelity of mapping to native > operations that you will with Objectify, JDO, or whatnot. Maybe there > are people who still write JDBC apps but they've got to be a pretty > masochistic lot. > > What I really want is a bit of software (perhaps a version) that I can > deploy into my application, and a command line (or GUI) tool I can use > on my local box. The tool would take my SQL statements (including > joins and aggregation functions), turn this into a series of 30s > requests, collate the results, and print them. It could take hours, > fine - as long as it eventually comes up with the answer. I'd be > willing to pay several hundred dollars for a tool like this. > > Is there any chance that JIQL will go in that direction? Or are you > thinking along the lines of the Cloud2db folks, basically "all or > nothing". I don't want to write JDBC apps, I just want to > occasionally run some ad-hoc SQL against my existing apps. > > Thanks, > Jeff > > On Tue, Mar 30, 2010 at 12:51 AM, Andreas Borglin > > <andreas.borg...@gmail.com> wrote: > > Hi again. > > > I had a look at jiql. > > "jiql is a JDBC wrapper for accessing Google DataStore on Google App > > Engine for JAVA. > > jiql supports the use of standard SQL as a method for accessing > > the DataStore" > > > Even if I had seen jiql earlier I wouldn't have considered it anyway > > because, > > > 1. I want the API to make perfect sense for working with the > > datastore. "Standard SQL" doesn't meet this requirement. > > 2. I use GWT. Not JSP or any other technology to dynamically generate > > pages on server side. > > > On Mar 29, 8:52 pm, Guillermo Schwarz <guillermo.schw...@gmail.com> > > wrote: > >> One question: Why didn't you consider jiql? > > >> On Mon, Mar 29, 2010 at 1:04 PM, Blake <blakecaldw...@gmail.com> wrote: > >> > +1 > > >> > On Mar 29, 4:03 am, Andreas Borglin <andreas.borg...@gmail.com> wrote: > >> > > Hi all. > > >> > > I recently decided to migrate away from JDO to one of the third party > >> > > datastore frameworks. At first I had only heard about objectify, but > >> > > after some further digging I found out about 5 other frameworks as > >> > > well (Twig, SimpleDS, siena, slim3, cloud2db). > > >> > > I was only interested in simple wrapper frameworks that acted as a > >> > > convenience layer above the AppEngine low-level API. I _want_ the > >> > > framework to expose the true nature of the datastore, but at the same > >> > > time relieve the developer of the tedious tasks that's involved when > >> > > working with the low-level API directly. It is much easier to work > >> > > with the AppEngine datastore when its concepts, features, constraints > >> > > and limitations are exposed directly. You can read more about the > >> > > reasons for this in the article. > > >> > > This left me with objectify, Twig and SimpleDS. (siena and cloud2db > >> > > are multi-platform and slim3 is more than just a datastore framework) > > >> > > I spent some time researching these when I got the idea to write an > >> > > article about them. I contacted the authors for each framework and > >> > > asked if they would be interested in participating. Passionate as they > >> > > are, they agreed :-). Thanks to Jeff Schnitzer (objectify), John > >> > > Patterson (Twig) and Ignacio Coloma (SimpleDS) for this. > > >> > > The goal is to publish two articles; one interview with the authors, > >> > > and one where I solve some typical scenario with each framework. > >> > > The interview article has now been published and can be found athttp:// > >> > borglin.net/gwt-project/?page_id=604. > >> > > The code example article will be posted sometime in the upcoming two > >> > > weeks. > > >> > -- > >> > 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 > >> > google-appengine-j...@googlegroups.com. > >> > To unsubscribe from this group, send email to > >> > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2B > >> > unsubscr...@googlegroups.com> > >> > . > >> > For more options, visit this group at > >> >http://groups.google.com/group/google-appengine-java?hl=en. > > >> -- > >> Saludos cordiales, > > >> Guillermo Schwarz > >> Sun Certified Enterprise Architect > > > -- > > 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 google-appengine-j...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-appengine-java+unsubscr...@googlegroups.com. > > 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. 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