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Discussion on: SQLAlchemy Cascading Deletes

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Tyler Renelle •

So just the two, right?

artist_id = Column(Integer, ForeignKey("artist.id", ondelete="cascade"))
songs = relationship("Song", cascade="all, delete", passive_deletes=True)
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with passive_deletes=True set, do you need cascade="all, delete"? It sounds like passive_deletes says "skip doing what I do, defer to DB", so my impression is we can remove cascades?