I got you now
Thank you Simon
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I've hit the problem explained here:
http://groups.google.com/group/sqlalchemy/msg/499a0765d426e12b
but I didn't quite understand how to work around it.
I have a series of mappings relations with lazy=True and one of them
in some situations seems having that problem.
To be honest everything
Quite complicated, I see X-)
Anyway, I've been able to implement the clean way you suggested (or
at least the test suite says so :) ).. Many thanks again for your
time, you've been very helpful!
(Thanks to Svil too for your contribution!)
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You
How to insert a column between two columns in MS SQL?
Not in MYSQL
eg: if in table ABC a and b are column and I want to insert c
column between a and b column.
One way to drop b column first then add c then again insert b
but that is not safe (if data not empty). Is there any Query in MS SQL
table.update(criterion, values={'last_edited' : func.now()} ).execute
()
works
but
table.update(criterion ).execute({'last_edited' : func.now()})
does not. It tries to set 'last_edited' to functions object.
Can someone clarify the difference ?
turn echo/logging on and see the difference.
one embeds it in the statement, another comes as runtime bind-param.
i guess u cannot give funcs as bind-parameters (runtime) ??
On Thursday 20 November 2008 14:42:16 Moshe C. wrote:
table.update(criterion, values={'last_edited' : func.now()}
Hi
On Thu, Nov 20, 2008 at 12:45 AM, Rohith [EMAIL PROTECTED] wrote:
How to insert a column between two columns in MS SQL?
Not in MYSQL
eg: if in table ABC a and b are column and I want to insert c
column between a and b column.
One way to drop b column first then add c then again insert
in one case the update() statement is constructed knowing the VALUES
clause ahead of time so that it can render the NOW() function. In the
latter case, execute() compiles the update() statement passing along the
key names of the given parameters but not the values, which are all
assumed to be
Lawrence Oluyede wrote:
UnboundExecutionError: Parent instance Configuration at 0x8ce466c
is not bound to a Session; lazy load operation of attribute 'parent'
cannot proceed
the error means simply this:
x = session.query(X).get(5)
del session # or session.clear(), session.expunge(x),
Is there any sort of tometadata for the declarative layer in
sqlalchemy? If I have a declarative class, I want to be able re-create
that class for another metadata.
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this can only be done as far as the Table object. the mapper() and
declarative base class doesn't have any kind of clone method:
newtable = MyClass.__table__.tometadata(somemetadata)
class MyNewClass(SomeBase):
__table__ = newtable
mg wrote:
Is there any sort of tometadata for the
Sorry for double posting. I pressed Send before I was ready...
Please let me know if I'm doing something wrong here:
[code]
metadata = MetaData('sqlite:///first.sqlite')
table = Table('my_table', metadata, Column('text', Unicode(16)))
stmt = table.insert()
Hi, I've made this post already on my blog but it was suggested i post
here as it might be an interesting point of discussion.
The first scenario is a single table with 24,000 rows. The problem is
that using SQLAlchemy through Elixir to map this table to an object,
and performing a fairly naive
I expect I'm doing this wrong, but it seems broken to me. Please let
me know.
Here's what I'm doing:
stmt = metadata.tables['tf_user'].insert()
parameters=dict(id=1,user_name='bgolemon',password='badpass',display_name='Buck
Golemon',created=None)
print stmt.compile().params
On Nov 20, 2008, at 6:16 PM, bukzor wrote:
The second crashes with:
File /tools/aticad/1.0/external/python-2.4.1/lib/python2.4/site-
packages/SQLAlchemy-0.5.0rc4-py2.4.egg/sqlalchemy/sql/expression.py,
line 3515, in _copy_internals
self.parameters = self.parameters.copy()
On Nov 20, 2008, at 7:07 PM, SinJax wrote:
Hi, I've made this post already on my blog but it was suggested i post
here as it might be an interesting point of discussion.
The first scenario is a single table with 24,000 rows. The problem is
that using SQLAlchemy through Elixir to map this
When you say generative, do you mean it returns a new object, as
opposed to in-place changes?
Would it make sense to rename Insert.values to Insert.params? Or make
Insert.params call Insert.values.
It seems quite strange for an object to have functions that aren't
usable...
Different, but
I'm getting invalid SQL when I try to filter for records that have no
matching related record in a one-to-one relationship using the not_
function. For example, with address being a relation from User:
print User.id==None
users.id IS NULL
print not_(User.id==None)
users.id IS NOT NULL
print
On Nov 20, 2008, at 9:05 PM, bukzor wrote:
When you say generative, do you mean it returns a new object, as
opposed to in-place changes?
Would it make sense to rename Insert.values to Insert.params? Or make
Insert.params call Insert.values.
It seems quite strange for an object to have
very nice - this fix is applied in r5314. It's not every day someone
gives us a patch for strategies.py...have any more ? :)
On Nov 20, 2008, at 9:47 PM, Yoann Roman wrote:
I'm getting invalid SQL when I try to filter for records that have no
matching related record in a one-to-one
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