I have a hard time to model my applications data to get reasonable performa开发者_StackOverflow社区nce.
I have a datastore which is already populated with entities. However, they haven\'t been arranged into entity groups (a.k.a parent-child relationships). My entity Kinds are:
I have a list of games in GAE datastore and I want to query fixed number of them, starting from a certain offset, i.e. get next 25 games starting form entry with id \"75\".
I am approaching to a GAE / GWT environment, coming from the RDBMS world. Take, for instance, MySQL. If you want to do ANYTHING with your data, you can take a MySQL manager software, like PHP MyA开发
I read \"Best option for Google App Engine Datastore and external database\", and I had already considered the SDC(we already use it for some things).However, I need to be able to automate the update
I am using Google App Engine Python. I would like to store a simple variable number somewhere, so I can add, deduct and use this number.
I have a simple GAE system that contains models for Account, Project and Transaction. I am using Django to generate a web page that has a list of Projects in a table that belong to a given Account an
How to clear datastore in GoogleAppEngine. I want to clear my development data to do a test again, but I can found a way开发者_开发问答 to do thatIf you are running from the commandline, use the --cl
I am not sure what am I doning wrong here? It complains \"Joins are only supported when all fi开发者_运维技巧lters are \'equals\' filters.\" when the query is executed. How can I get around that?
Are this JDOQL same as the following SQL? Query query = pm.newQuery(Vote.class, \":p.contains(personId)\");
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