you'd poke through column_attrs and look at the "deferred" flag. a good way to figure these things out is to pdb in and use dir(obj) to see what attributes it has, it's how i do it anyway when figuring out a lib...
On Aug 14, 2013, at 10:51 PM, Jonathan Vanasco <[email protected]> wrote: > i'm trying to generate a list of non-deffered columns from an object > > referencing this example: > > class Book(Base): > __tablename__ = 'book' > > book_id = Column(Integer, primary_key=True) > title = Column(String(200), nullable=False) > summary = Column(String(2000)) > excerpt = deferred(Column(Text)) > photo = deferred(Column(Binary)) > > how can I tell , when dealing with an instance of `Book()`, which columns are > deferred or not ? > > i tried inspecting virtually everything in: > > class_mapper(Book)) > > and looked over these multiple times: > > class_mapper(Book).mapped_table) > class_mapper(Book).mapped_table.c) > > but couldn't seem to find anything that works. > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/groups/opt_out.
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