google-cloud-datastore

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How to model my app in the Google App Engine Datastore

I have a hard time to model my applications data to get reasonable performa开发者_StackOverflow社区nce.[详细]

2023-03-23 18:17 分类：问答
Assign a parent to an existing entity

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:[详细]

2023-03-23 14:16 分类：问答
App Engine Java: syntax for setting query limit and start offset.

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\".[详细]

2023-03-23 13:03 分类：问答
Datastore Tools

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[详细]

2023-03-23 07:48 分类：问答
Best way to automate the updating of google app engine datastore from external source?

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[详细]

2023-03-23 05:12 分类：问答
Python: Store a num in Google App Engine

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.[详细]

2023-03-23 01:48 分类：问答
Is it safe to pass Google App Engine Entity Keys into web pages to maintain context?

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[详细]

2023-03-22 11:16 分类：问答
Clean datastore for GoogleAppEngine

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[详细]

2023-03-22 03:05 分类：问答
Why error "Joins are only supported when all filters are 'equals' filters."

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?[详细]

2023-03-22 02:46 分类：问答
How to achieve SQL IN query in JDOQL?

Are this JDOQL same as the following SQL? Query query = pm.newQuery(Vote.class, \":p.contains(personId)\");[详细]

2023-03-21 18:23 分类：问答