I'm getting an error even with lambda.
sqlalchemy.exc.ProgrammingError: (ProgrammingError) relation "article" does
not exist
'\nCREATE TABLE tag_article (\n\ttag_id INTEGER NOT NULL, \n\tarticle_id
INTEGER NOT NULL, \n\tPRIMARY KEY (tag_id, article_id), \n\tFOREIGN
KEY(tag_id) REFERENCES tag (id), \n\tFOREIGN KEY(article_id) REFERENCES
article (id)\n)\n\n' {}
The tables I'm declaring have nothing to do with the main project
class Tag(DeclarativeBase):
__tablename__ = 'tag'
id = Column(Integer, autoincrement=True, primary_key=True)
text= Column(Unicode(200))
class Article(DeclarativeBase):
__tablename__ = 'article'
id = Column(Integer, autoincrement=True, primary_key=True)
text= Column(Unicode(2000) )
tags = relation(Tag, secondary=lambda: tag_article, backref='articles')
tag_article= Table('tag_article', metadata,
Column('tag_id', Integer, ForeignKey(Tag.id), primary_key=True),
Column('article_id', Integer, ForeignKey(Article.id), primary_key=True))
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