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python Programming Glossary: db.referencepropertyHow to model a contract database (with several buyers or sellers) using GAE datastore http://stackoverflow.com/questions/11294526/how-to-model-a-contract-database-with-several-buyers-or-sellers-using-gae-data True place db.StringProperty required True parties db.ReferenceProperty ContractingParties required True class ContractingParties db.Model.. required True class ContractingParties db.Model person db.ReferenceProperty People required True contract db.ReferenceProperty Contracts.. person db.ReferenceProperty People required True contract db.ReferenceProperty Contracts required True condition db.StringProperty required..
Google app engine ReferenceProperty relationships http://stackoverflow.com/questions/1210321/google-app-engine-referenceproperty-relationships db.DateTimeProperty auto_now_add True topic_group db.ReferenceProperty Groups collection_name 'topics' class Pro db.Model pro_user.. True pro_date db.IntegerProperty default 0 pro_topic db.ReferenceProperty Topics collection_name 'pros' class Con db.Model con_user db.UserProperty.. True con_date db.IntegerProperty default 0 con_topic db.ReferenceProperty Topics collection_name 'cons' And one function for the actual..
JSON serialization of Google App Engine models http://stackoverflow.com/questions/1531501/json-serialization-of-google-app-engine-models date_uploaded db.DateTimeProperty auto_now_add True album db.ReferenceProperty Album collection_name 'photo' Thanks in advance. python json..
Simple DB query on Google App Engine taking a lot of CPU time http://stackoverflow.com/questions/1892325/simple-db-query-on-google-app-engine-taking-a-lot-of-cpu-time db.StringProperty sub_category db.StringProperty image db.ReferenceProperty CarvingImage description db.TextProperty price db.FloatProperty..
Fetching just the Key/id from a ReferenceProperty in App Engine http://stackoverflow.com/questions/3044121/fetching-just-the-key-id-from-a-referenceproperty-in-app-engine name db.StringProperty class Story db.Model author db.ReferenceProperty Author story db.get story_key author_name story.author.name..
Change IntegerProperty to FloatProperty of existing AppEngine DataStore http://stackoverflow.com/questions/4742875/change-integerproperty-to-floatproperty-of-existing-appengine-datastore my model. Old Model class Learn search.SearchableModel pid db.ReferenceProperty Product collection_name 'picks' title db.StringProperty description.. default 0 New Model class Learn search.SearchableModel pid db.ReferenceProperty Product collection_name 'picks' title db.StringProperty description..
http://stackoverflow.com/questions/6014657/query-with-paging-by-cursor-causes-error-because-of-limitations-for-in-filter db.Model text db.StringProperty required True posted_by db.ReferenceProperty reference_class Member required True collection_name posted_items.. default 1 # 0 deleted class Follow db.Model member db.ReferenceProperty reference_class Member required True collection_name followings.. required True collection_name followings followed_member db.ReferenceProperty reference_class Member required True collection_name followers..
How can I create two unique, queriable fields for a GAE Datastore Data Model? http://stackoverflow.com/questions/6584435/how-can-i-create-two-unique-queriable-fields-for-a-gae-datastore-data-model #This is no longer a parent but a reference parentEnt db.ReferenceProperty reference_class ParentEntity #pertinent data below str3 db.StringProperty..
How to model many blobs for an object? http://stackoverflow.com/questions/7204365/how-to-model-many-blobs-for-an-object A search.SearchableModel ... class B db.Model reference db.ReferenceProperty A collection_name 'matched_blobs' verbose_name Title blob blobstore.BlobReferenceProperty..
Build a GQL query (for Google App Engine) that has a condition on ReferenceProperty http://stackoverflow.com/questions/852055/build-a-gql-query-for-google-app-engine-that-has-a-condition-on-referenceprope db.Model tripCode db.StringProperty required True station db.ReferenceProperty Station required True arrivalTime db.TimeProperty required True..
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