I\'ve got data in the GAE data store. I want to write a JDOQL against that data that takes one of the columns and rounds the 开发者_开发技巧value of it. Can I do this?do you mean, can you update the d
App Engine Datastore cannot be queried for an aggregate result. Example: I have an entity called \"Post\" with the following fields:
I\'m writing software to provide feedback to people across many categories.For example, I might have 30 employees and 40 standards of evaluation (e.g. \"arrives on time,\" \"is polite,\" \"appears to
I\'ve read in multiple locations that GAE lifted the 1000 record limit on queries and counts, however, I can only seem to get a count of the records up to 1000.I won\'t be pulling more than 1000 queri
What correl开发者_开发问答ation is there between datastore and task queue downtime? (I\'d like to use the task queue to defer some operations in the case of datastore downtime.)The Task Queue should
The app engine datastore, of course, has downtime.However, I\'d like to have a \"fail-safe\" put which is more robust in the face of datastore errors (see motivation below).It seems like the task queu
I am working on an application on Django and google application engine. In my application I have several models with several ReferenceProperty fields. The issueis that if any of the ReferenceProperty
I just watched Batch data processing with App Engine session of Google I/O 2010, read some parts of MapReduce article from Google Research and now I am thinking to use MapReduce on Google App Engine t
In my 开发者_JS百科data model, one of my properties is a list.How do I tell the bulk loader to convert the string into a list delimited by \' \' (space)?- property: districts
I\'ve built a product database that is divided in 3 parts. And each part has a \"sub\" part containing labels. But the more I work with it the more unstable it feels. And each addition I make it takes