Hi ! i'm want to ask
Creating a self-referencing foreign key
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Hi, Michael,
here is the stack trace:
File /home/andrey/projects/art/artFlask/api/artList.py, line 30, in post
item = app_ctx.create_item_from_context()
File /home/andrey/projects/art/artFlask/utils/app_ctx.py, line 53, in
create_item_from_context
item = ModelClass(**data)
File
def get_query():
conn = engine.connect()
check = 'SELECT * FROM friends'
obj = [conn.execute(check)]
jqs = json.dumps(obj)
return jqs
result is
Internal Server Error
The server encountered an internal error and was unable to complete your
request. Either the server is
Ok, Mike. Thanks.
Ended up removing the trigger from the model and pushing that code to the
controller, so that foo updates the bar attribute after form data with
UserCourse objects is handled.
On Wednesday, July 2, 2014 9:42:11 PM UTC-4, Michael Bayer wrote:
On 7/2/14, 2:59 PM, Brian
On 7/3/14, 3:23 AM, trusted...@gmail.com wrote:
Hi, Michael,
here is the stack trace:
File /home/andrey/projects/art/artFlask/api/artList.py, line 30,
in post
item = app_ctx.create_item_from_context()
File /home/andrey/projects/art/artFlask/utils/app_ctx.py, line 53,
in
On 7/2/14, 9:24 AM, Chung WONG wrote:
Hi list,
For this problem I am even having trouble think of a proper subject
for it.
I try my best to express as clear as possible and sorry for any
confusions.
Say there are three classes with relationship defined as below:
class User(Base):
HI
I am using pyramid framework with sqlalchemy , I want to update 100
different column with different values.
is there any function available like add_all to update a table(ex
update_all ) in sqlalchemy.
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Hello,
I'm trying to override __new__ method on the declarative base.
Calling super(Base, cls).__new__ actually calls itself.
Something is happening with the mro, but I'm not quite sure what and how to
proceed.
At the bottom of this email is a small example that demonstrates the
problem.
Adding import instruction to artList.py didn't seem to help:
from model import Artwork, Person
What else can I do ?
четверг, 3 июля 2014 г., 17:33:09 UTC+3 пользователь Michael Bayer написал:
On 7/3/14, 3:23 AM, trust...@gmail.com javascript: wrote:
Hi, Michael,
here is the stack
On Wed, Jul 2, 2014 at 9:22 PM, Mike Bayer mike...@zzzcomputing.com wrote:
On 7/2/14, 10:05 PM, Paul Molodowitch wrote:
Suppose I have a super simple table like this:
class Dinosaur(Base):
__tablename__ = 'dinosaurs'
id = Column(Integer, primary_key=True)
name =
Mike, here is the source for the models:
https://github.com/ArtAPI/artFlask/blob/refactoring/model/__init__.py
I would really apprieciate your feedback on this, I'm really new to flask
and SQLAlchemy.
The other source files (artList.py etc) are also there.
Thank you,
Andrey
четверг, 3 июля
On 7/3/14, 1:01 PM, Paul Molodowitch wrote:
That makes sense... but if if it really means nothing, and we
shouldn't be looking at it, then why keep it's attributes around at all?
because it is an additional step to actually erase the attributes and
just hadn't been considered.
Particularly since sqlalchemy has already established that it's willing to
expire dict members when they may not be valid anymore - ie, what it does
to clear any cached values from a row proxy after the session is
committed.
well it doesn't expire the deleted object right now because it's
to start with, you have an import cycle. fix that first.
classics-MacBook-Pro-2:artFlask classic$ .venv/bin/python
Python 2.7.5 (default, Mar 7 2014, 19:17:16)
[GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.79)] on darwin
Type help, copyright, credits or license for more information.
import
this project needs:
1. a package
2. a setup.py file
3. a requirements.txt file
I am running in each dependency indivdually as I get import errors.
very painful.
On 7/3/14, 1:19 PM, trusted...@gmail.com wrote:
Mike, here is the source for the models:
Hey guys,
I am facing the same issue, I am using PostgreSQL and want to use native
ENUM type in two tables. For migration I am going to use alembic.
Did you guys find out any was to do this?
Thanks,
Anton
On Thursday, May 1, 2014 10:33:21 AM UTC-7, Michael Bayer wrote:
OK. ENUM is
Hi Mike!
I've updated requirements. Let me check if I didn't commit something.
четверг, 3 июля 2014 г., 20:41:55 UTC+3 пользователь Michael Bayer написал:
to start with, you have an import cycle. fix that first.
classics-MacBook-Pro-2:artFlask classic$ .venv/bin/python
Python 2.7.5
this works fine for me:
def upgrade():
mytype = ENUM('a', 'b', 'c', create_type=False, name='myenum')
mytype.create(op.get_bind(), checkfirst=False)
op.create_table('t1',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('col1', mytype)
)
OK thats great but you have a long way to go:
import cycle:
classic$ .venv/bin/python
Python 2.7.5 (default, Mar 7 2014, 19:17:16)
[GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.79)] on darwin
Type help, copyright, credits or license for more information.
import model
Traceback (most recent
I noticed that sqlalchemy now properly sets the onpudate / ondelete
properties of foreign keys when reflecting tables:
https://bitbucket.org/zzzeek/sqlalchemy/issue/2183/support-on-delete-update-in-foreign-key
However, it doesn't seem to set the cascade properties of relationships to
reflect
On 7/3/14, 5:45 PM, Paul Molodowitch wrote:
I noticed that sqlalchemy now properly sets the onpudate / ondelete
properties of foreign keys when reflecting tables:
https://bitbucket.org/zzzeek/sqlalchemy/issue/2183/support-on-delete-update-in-foreign-key
However, it doesn't seem to set the
On 7/3/14, 6:15 PM, Mike Bayer wrote:
On 7/3/14, 5:45 PM, Paul Molodowitch wrote:
I noticed that sqlalchemy now properly sets the onpudate / ondelete
properties of foreign keys when reflecting tables:
https://bitbucket.org/zzzeek/sqlalchemy/issue/2183/support-on-delete-update-in-foreign-key
I wasn't advocating making this connection in general (though I like the
autoconfigure option!), but only specifically for the case of reflection -
in this case, we know the DB supports it, and it would result in a better
python interface to the already existing tables.
On Thu, Jul 3, 2014 at
Hi Simon
thanks for your answer
but i can't understand what's fetchall() mean
i remove the fetchall() it still work
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