test_search_vectors.py 文件源码

def Catalog(Base, Product):
    class Catalog(Base):
        __tablename__ = 'catalog'
        id = sa.Column(sa.Integer, primary_key=True)
        name = sa.Column(sa.Unicode(255))

        @aggregated('products', sa.Column(TSVectorType))
        def product_search_vector(self):
            return tsvector_reduce_concat(
                sa.func.to_tsvector(Product.name)
            )

        products = sa.orm.relationship('Product', backref='catalog')
    return Catalog