Michael Bayer wrote:
that doesnt sound right. taking out select_table, and doing:
print
Media
.query
.select_from
(media_table
.join
(catalog_table
).join
(catalog_channel_table
)).filter(CatalogChannel.c.id_channel==playlist.id_channel).all()
leads to the SQL:
On Jan 14, 2008, at 10:44 AM, Alexandre Conrad wrote:
Michael Bayer wrote:
I came up with a very easy way to implement this which I'd like you
to
try out in rev 4060. So far I've tested with a basic joined table
inheritance setup.
All you do is place class-mapped attributes
On Jan 14, 2008, at 10:44 AM, Alexandre Conrad wrote:
model.Media.query.join([catalog,
model
.CatalogChannel
.channel
]).filter
(model.CatalogChannel.c.id_channel==c.playlist.id_channel).all()
is CatalogChannel.channel a self referential relation to another
Channel ? the classes you
On Jan 14, 2008, at 12:04 PM, Michael Bayer wrote:
On Jan 14, 2008, at 11:59 AM, Michael Bayer wrote:
On Jan 14, 2008, at 10:44 AM, Alexandre Conrad wrote:
model.Media.query.join([catalog,
model
.CatalogChannel
.channel
]).filter
Mike,
Michael Bayer wrote:
a certain id_channel. otherwise im still having trouble wrapping my
head around what youre trying to do there.
Enough guessing, here's the full test case with description of what I'm
trying to do. :)
Although, I wasn't able to make it run with sqlite, so it's
On Jan 14, 2008, at 12:12 PM, Alexandre Conrad wrote:
Mike,
Michael Bayer wrote:
a certain id_channel. otherwise im still having trouble wrapping my
head around what youre trying to do there.
Enough guessing, here's the full test case with description of what
I'm
trying to do. :)
On Jan 14, 2008, at 11:59 AM, Michael Bayer wrote:
On Jan 14, 2008, at 10:44 AM, Alexandre Conrad wrote:
model.Media.query.join([catalog,
model
.CatalogChannel
.channel
]).filter
(model.CatalogChannel.c.id_channel==c.playlist.id_channel).all()
like, are you sure you dont want to
Alexandre Conrad wrote:
under a foo table with MySQL. (another hidden bug, I'm getting
a foo schema/db, not table.
--
Alexandre CONRAD
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups
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To post
On Jan 14, 2008, at 10:44 AM, Alexandre Conrad wrote:
model.Media.query.join([catalog,
model
.CatalogChannel
.channel
]).filter
(model.CatalogChannel.c.id_channel==c.playlist.id_channel).all()
like, are you sure you dont want to just say:
model
.Media
.query
.join
([catalog
]).filter
Michael Bayer wrote:
thats not hidden. SQLite cannot autoincrement primary key columns if
the table contains a composite primary key which is the case here.
Ah, yes. Plus, I don't need composite primary_key here, it's articact
from an old many-to-many secondary table (which I usually set
On Jan 14, 2008, at 12:12 PM, Alexandre Conrad wrote:
Mike,
Michael Bayer wrote:
a certain id_channel. otherwise im still having trouble wrapping my
head around what youre trying to do there.
Enough guessing, here's the full test case with description of what
I'm
trying to do. :)
Michael Bayer wrote:
your best bet with this mapping right now is:
print
Media
.query
.select_from
(media_table
.join
(catalog_table
).join
(catalog_channel_table
)).filter(CatalogChannel.c.id_channel==playlist.id_channel).all()
which is really how select_from() was
On Jan 14, 2008, at 12:12 PM, Alexandre Conrad wrote:
Mike,
Michael Bayer wrote:
a certain id_channel. otherwise im still having trouble wrapping my
head around what youre trying to do there.
Enough guessing, here's the full test case with description of what
I'm
trying to do. :)
Mike,
My day is over, I'm leaving the office. I'll read your replies tomorrow.
Thanks for taking some time one that.
Regards,
--
Alexandre CONRAD
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups
sqlalchemy
On Jan 14, 2008, at 12:44 PM, Alexandre Conrad wrote:
Michael Bayer wrote:
your best bet with this mapping right now is:
print
Media
.query
.select_from
(media_table
.join
(catalog_table
).join
(catalog_channel_table
Michael Bayer wrote:
I dont see where the type element youre mentioning is present in
this query. if Media points to Catalog, thats the end of the story -
what is telling it about a CatalogChannel ?
Okay, okay Mike and Svilen. Of course ! I was thinking we could figure
out that if a
On Jan 13, 2008, at 1:02 PM, Alexandre Conrad wrote:
Okay, okay Mike and Svilen. Of course ! I was thinking we could figure
out that if a media being attached to a Catalog of type channel,
thus
a CatalogChannel polymorphically speaking, would figure out that
Media.query.join([catalog,
Michael Bayer wrote:
On Jan 13, 2008, at 1:02 PM, Alexandre Conrad wrote:
Anyway, my inital issue according to the subject's title, is that:
.filter(Catalog.c.id==CatalogChannel.c.id)
generates the SQL query
catalogs.id = catalogs.id
rather than the expected
catalogs.id =
On Jan 13, 2008, at 2:33 PM, Alexandre Conrad wrote:
Ahh, good to hear. It would feel more natural to me. We'd expect that
CatalogChannel's table is catalog_channel_table, specially when we
earlier set mapper(CatalogChannel, catalog_channel_table). Plus, using
tables makes me have extra
svilen wrote:
On Friday 11 January 2008 16:12:08 Alexandre Conrad wrote:
Channel - Playlist - Media
Channel - CatalogChannel(Catalog) - Media
(Media has a fk to Catalog, not CatalogChannel)
The only element I have, is playlist (instance of Playlist). At
this point, I need to find out the
On Friday 11 January 2008 16:12:08 Alexandre Conrad wrote:
svilen wrote:
Here is the syntax followed by the generated query:
query.filter(Catalog.c.id==CatalogChannel.c.id)
WHERE catalogs.id = catalogs.id
why u need such a query?
that's exactly what (inheritance) join does, and
On Friday 11 January 2008 13:58:34 Alexandre Conrad wrote:
Hi,
playing with inheritance, I figured out that an inherited mapped
class passed to filter doesn't point to the correct table.
I have 2 classes, Catalog and CatalogChannel(Catalog).
Here is the syntax followed by the generated
On Friday 11 January 2008 17:03:06 Alexandre Conrad wrote:
svilen wrote:
On Friday 11 January 2008 16:12:08 Alexandre Conrad wrote:
Channel - Playlist - Media
Channel - CatalogChannel(Catalog) - Media
(Media has a fk to Catalog, not CatalogChannel)
The only element I have, is playlist
On Jan 11, 2008, at 10:03 AM, Alexandre Conrad wrote:
svilen wrote:
On Friday 11 January 2008 16:12:08 Alexandre Conrad wrote:
Channel - Playlist - Media
Channel - CatalogChannel(Catalog) - Media
(Media has a fk to Catalog, not CatalogChannel)
The only element I have, is playlist
svilen wrote:
Here is the syntax followed by the generated query:
query.filter(Catalog.c.id==CatalogChannel.c.id)
WHERE catalogs.id = catalogs.id
why u need such a query?
that's exactly what (inheritance) join does, and automaticaly -
just query( CatalogChannel).all() would give u
I think I understand what you trying to do
in fact polymorphic objects are load correctly in my test, I think it is
an approach to your case.
follow the code I used before to ask about polymorphic inheritance, note
to the Catalog class, this class have a resource list (catalog_id on
Resource),
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