On Dec 5, 2012, at 2:56 PM, junepeach wrote:
> I defined several tables in my module file: mymodule.py. For example I have
> table T1 and T2 defined:
> class T1(Base):
> __tablename__ = 't1'
> id = Column(Integer, primary_key = True)
> name = Column(String(15))
> class T2(Base):
> __tablename__ = 't2'
> id = Column(Integer, primary_key = True)
> fid = Column(Integer, ForeignKey('t1.id', onupdate='CASCADE',
> ondelete='CASCADE'), nullable = False)
> name = Column(String(15))
>
> After running 'alembic revision --autogenerate', in table 't2' migration
> code, I can just see something like that:
> sa.ForeignKeyConstraint(['fid'], ['t1.id'],) without clause
> "onupdate='CASCADE', ondelete='CASCADE'" anymore.
> So I manually added "onupdate='CASCADE', ondelete='CASCADE'", but I have more
> than 100 tables. Did I miss something in my module file mymodule.py?
this is ticket #92 from the other day for propagation of the ondelete,
onupdate, initially, and deferred arguments of FKconstraint, just resolved in
rfd50c9605e43.
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