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Posted By

tamuratetsuya on 12/09/08

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Last Edited at 12/09/08 01:41pm

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ReferencePropertyのときの外部キーからの検索

/ Published in: Python
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みたいなカンジで「保持するmodel名の小文字+"_set"」でぶらさがるEntityのリストを取得できる。この名称はReferencePropertyのコンストラクタのcollection_name引数で指定する事もできる。

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  1. class MyModel1(db.Model):  
  2.    text = db.StringProperty()  
  3.  
  4. class MyModel2(db.Model)  
  5.    text = db.StringProperty()  
  6.    myModel1 = db.ReferenceProperty(MyModel1)  
  7.  
  8.  myModel1 = MyModel1.get_by_id(1)  
  9.  myModel2s = MyModel1.mymodel2_set

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