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我的表是這樣的:如何通過列名從SQLAlchemy實例獲取值?
class MPTTPages(Base):
__tablename__ = "mptt_pages"
parent = None
id = Column(Integer, primary_key=True)
left = Column("lft", Integer, nullable=False)
right = Column("rgt", Integer, nullable=False)
name = Column(String)
description = Column(Text)
visible = Column(Boolean)
def __repr__(self):
return "MPTTPages(%s, %d, %d)" % (self.id, self.left, self.right)
如何從列名「LFT」實例MPTTPages價值?實例沒有屬性lft,只剩下。