sqlalchemy.orm.MapperExtensionã使ãã¨ããªãã¸ã§ã¯ãã®çæãå¤æ´ãæ¶å»çã®ã¿ã¤ãã³ã°ã§ä»»æã®å¦çãè¡ããã¨ãã§ãã¾ãããã®æ©è½ã使ãã¨ãdjango.dispatchã¨ä½¿ã£ãããã¨åããã¨ãã§ãããã§ãã from datetime import date from sqlalchemy import * from sqlalchemy.orm import * # SQLiteã¡ã¢ãªã¼ãã¼ã¿ãã¼ã¹ã«æ¥ç¶ md = MetaData('sqlite://') md.bind.echo = True # ãã¼ãã«å®ç¾© cat = Table('cat', md, Column('id', Integer, primary_key=True), Column('name', Unicode(50), nullable=False), Column('birthda
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