hello,
On 05/25/15 16:51, c.bu...@posteo.jp wrote:
I know there is no absolute solution for my question. I just want to
hear your suggestions and how you do this in your practice.
In which layer of the MVC-pattern are all the SQLAlchemy objects
located?
There should be a Session for each
On 26 May 2015, at 09:16, Burak Arslan burak.ars...@arskom.com.tr wrote:
same here but before passing the model instance from controller to view,
all instances are detached from session (via expunge()). this 1)
prevents a lot of unexpected db queries. 2) lets you recycle db
connections as
Can someone explain me the difference between expunge() and
make_transient() please.
Of course I read the docs (more than one time) about it. But I am not
really sure about the difference.
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On 5/26/15 9:47 AM, Sylvain Martel wrote:
Hi,
Not knowing much about SQL stuff, I used Flask-Migrate, which use
alembic, to deal with migrations. But now I have to deal with a
migration where I can't simply destroy the SQLite database and remake
it.(which is how I dealt so far when an
On 5/26/15 7:26 AM, David Allouche wrote:
On 26 May 2015, at 09:16, Burak Arslan burak.ars...@arskom.com.tr wrote:
same here but before passing the model instance from controller to view,
all instances are detached from session (via expunge()). this 1)
prevents a lot of unexpected db queries.
Hi all
With SA 1.0.4 I can delete rows that i could not delete with SA 0.9.3 .
MODEL.
Base = declarative_base()
class Node(Base):
__tablename__ = 'node'
id = Column(Integer, primary_key=True)
parent_id = Column(Integer, ForeignKey('node.id'))
data = Column(String(50))
P.S.
I tried this:
def upgrade():
### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table(incomes) as batch_op:
batch_op.add_column(sa.Column('income_classtype', sa.Integer(),
nullable=True))
batch_op.create_foreign_key(None, 'incomes',
Michael- FYI, memoized_property isn't documented. it looks to be in the
active source, and there is a recipe for a roll-your-own memoized orm
properties.
On Monday, May 25, 2015 at 11:43:58 AM UTC-4, c.b...@posteo.jp wrote:
I am quite new to Python and not familiar with the decorator
Hi,
I am getting this error when trying to do query() and CreateTable() with
XML data type on db2 database. (Using ibm_db_sa)
Any suggestions how to resolve this?
from sqlalchemy import create_engine
from sqlalchemy import MetaData
from sqlalchemy import Table
from sqlalchemy.schema import
In most implementations, the answer would be: None of the above.
Many MVC style frameworks (including all the near variants) will place the
SqlAlchemy session management in a WSGI middleware layer or a tween.
Usually it will look like (pseudocode):
try:
On 5/26/15 11:18 AM, g wrote:
Hi all
With SA 1.0.4 I can delete rows that i could not delete with SA 0.9.3 .
your code is relying on a bug in 0.9.3 that was fixed in 0.9.5
(https://bitbucket.org/zzzeek/sqlalchemy/issue/3060) , but we broke
other things at the same time and ultimately it
On 5/26/15 11:37 AM, c.bu...@posteo.jp wrote:
Can someone explain me the difference between expunge() and
make_transient() please.
Of course I read the docs (more than one time) about it. But I am not
really sure about the difference.
expunge sends a persistent object to the detached state.
On 5/26/15 1:11 PM, skinle...@gmail.com wrote:
Hi,
I am getting this error when trying to do query() and CreateTable()
with XML data type on db2 database. (Using ibm_db_sa)
Any suggestions how to resolve this?
|
fromsqlalchemy importcreate_engine
fromsqlalchemy importMetaData
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