On Jan 23, 2008, at 11:09 AM, Jonathon Anderson wrote:
I'm trying to use types.TypeDecorator to define a set of strings
stored in the database as a csv list, where the empty set is stored as
null. process_bind_param seems to work, as values set on the bound
field seem to get entered
What do you mean by textual strings? Do you mean strings backed by a
TEXT type, rather than a fixed-length string?
Why won't that work?
On Jan 23, 10:57 am, Michael Bayer [EMAIL PROTECTED] wrote:
On Jan 23, 2008, at 11:09 AM, Jonathon Anderson wrote:
I'm trying to use types.TypeDecorator
On Jan 23, 2008, at 3:01 PM, Jonathon Anderson wrote:
What do you mean by textual strings? Do you mean strings backed by a
TEXT type, rather than a fixed-length string?
Why won't that work?
no, i mean:
result = engine.execute(select * from table)
will not work with any TypeEngine or
Oh, no. I'm not doing any raw sql.
I have (at a most basic level):
things_table = Table(things, metadata,
Column(id, types.Integer, primary_key=True),
Column(values, StringSet, nullable=True),
)
class Thing (object):
pass
Session.mapper(Thing, things_table)
But when I do
On Jan 23, 2008, at 4:25 PM, Jonathon Anderson wrote:
Oh, no. I'm not doing any raw sql.
I have (at a most basic level):
things_table = Table(things, metadata,
Column(id, types.Integer, primary_key=True),
Column(values, StringSet, nullable=True),
)
class Thing (object):
So, in constructing my test case, I figured out what was going on.
(I'm sure this is often the case.)
http://pastebin.com/m612561a6
The problem is that process_result_value is only called when actually
loading values from the database, and since a session maintains an
object cache for object
On Jan 23, 2008, at 10:16 PM, Jonathon Anderson wrote:
So, in constructing my test case, I figured out what was going on.
(I'm sure this is often the case.)
http://pastebin.com/m612561a6
The problem is that process_result_value is only called when actually
loading values from the
I understand that solution. I did say without a python property.
But if that's the only real way to do it, so be it. Maybe I was just
looking for an excuse to learn how to define a custom type. ;)
~jon
On Jan 23, 9:56 pm, Michael Bayer [EMAIL PROTECTED] wrote:
On Jan 23, 2008, at 10:16 PM,
