The question was based on a misconception on my part (in a visual
representation of a tree, while dragging a node you drag the whole
subtree with it, so you can't drop a node in it's own subtree).
Sorry about that ...
PS: Checked that when updating the children (via append) the exception
Maybe in sqlalchemy add attribute like flat=True that return list with
values (instead of tuples with values) ?
вторник, 27 марта 2012 г., 19:27:04 UTC+4 пользователь lestat написал:
If I want get list of id's of table I can get it with
z = db.session.query(MyTable.id).all()
but it return
I'm using alembic today, and I found a problem, if I changed the
column, it'll automatically create add and drop statment, just like
this:
op.add_column('bas_grp_user', sa.Column('username', sa.Integer(),
nullable=False))
op.drop_column('bas_grp_user', u'USERNAME')
But when I ran the
I also have other requirements:
1. if there is no changes should it can create nothing, not like this:
def upgrade():
### commands auto generated by Alembic - please adjust! ###
pass
### end Alembic commands ###
def downgrade():
### commands auto generated by Alembic - please
Based on the error message I would guess this is a problem with your
install of Microsoft's SQL Native Client for odbc. Sorry, not a windows
guy, so all I can provide is a link
http://msdn.microsoft.com/en-us/library/ms131321.aspx.
Is your dev MS native client the same as the prod MS native
Probably autoflush when you hit .children - you'd see it in the stack trace
Sent from my iPhone
On Apr 12, 2012, at 3:47 AM, lars van gemerden l...@rational-it.com wrote:
The question was based on a misconception on my part (in a visual
representation of a tree, while dragging a node you
On Apr 12, 2012, at 4:07 AM, limodou wrote:
I'm using alembic today, and I found a problem, if I changed the
column, it'll automatically create add and drop statment, just like
this:
op.add_column('bas_grp_user', sa.Column('username', sa.Integer(),
nullable=False))
On Apr 12, 2012, at 4:18 AM, limodou wrote:
I also have other requirements:
1. if there is no changes should it can create nothing, not like this:
def upgrade():
### commands auto generated by Alembic - please adjust! ###
pass
### end Alembic commands ###
def downgrade():
On Thu, Apr 12, 2012 at 10:37 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 4:07 AM, limodou wrote:
I'm using alembic today, and I found a problem, if I changed the
column, it'll automatically create add and drop statment, just like
this:
On Thu, Apr 12, 2012 at 10:39 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 4:18 AM, limodou wrote:
I also have other requirements:
1. if there is no changes should it can create nothing, not like this:
def upgrade():
### commands auto generated by Alembic -
2. If I can merge the current changes into head revision, before I
execute upgrade, so that I can combine several changes into one
change. For me, I think just remove the head revision, and recreate
new one that's ok. And only problem I think is that : if the user has
manually changed the
On Apr 12, 2012, at 10:42 AM, limodou wrote:
On Thu, Apr 12, 2012 at 10:37 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 4:07 AM, limodou wrote:
I'm using alembic today, and I found a problem, if I changed the
column, it'll automatically create add and drop
On Apr 12, 2012, at 10:50 AM, limodou wrote:
On Thu, Apr 12, 2012 at 10:39 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 4:18 AM, limodou wrote:
I also have other requirements:
1. if there is no changes should it can create nothing, not like this:
def
On Apr 12, 2012, at 10:54 AM, limodou wrote:
2. If I can merge the current changes into head revision, before I
execute upgrade, so that I can combine several changes into one
change. For me, I think just remove the head revision, and recreate
new one that's ok. And only problem I think is
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Hi.
I looked at SQLAlchemy source code to see examples about `with`
statement support and found something that look suspicious to me.
class Engine:
def begin(self, close_with_result=False)
conn = self.contextual_connect(
Hi all,
I'm sorry for this simple question.
What's the difference between query and select ?
are they interchangeable?
which of the two, it is best to use?
--- print(session.query(Azienda.c.data_inizio).limit(1))
SELECT azienda_data_inizio
FROM (SELECT azienda.data_inizio AS
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On Apr 12, 2012, at 1:55 PM, Manlio Perillo wrote:
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Hash: SHA1
Hi.
I looked at SQLAlchemy source code to see examples about `with`
statement support and found something that look suspicious to me.
class
There's some degree of history here as SQLAlchemy initially didn't have the
whole generative notion of things, and the Mapper object itself would accept
arguments which it passed mostly straight to a select() object. So you saw
similar interfaces and it was kind of like switching between
On Thu, Apr 12, 2012 at 11:38 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 10:42 AM, limodou wrote:
On Thu, Apr 12, 2012 at 10:37 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 4:07 AM, limodou wrote:
I'm using alembic today, and I found a
On Thu, Apr 12, 2012 at 11:52 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 10:50 AM, limodou wrote:
On Thu, Apr 12, 2012 at 10:39 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 4:18 AM, limodou wrote:
I also have other requirements:
1.
On Thu, Apr 12, 2012 at 11:59 PM, Michael Bayer
mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 10:54 AM, limodou wrote:
2. If I can merge the current changes into head revision, before I
execute upgrade, so that I can combine several changes into one
change. For me, I think just remove
On Apr 12, 2012, at 8:07 PM, limodou wrote:
For example, in my case, when I made some changes and I want to test
them, so I can run revision --autogenerate and upgrade the
database. And then I made other changes, and do the cycle again I can
do this way. But sometimes I just change the
On Fri, Apr 13, 2012 at 8:48 AM, Michael Bayer mike...@zzzcomputing.com wrote:
On Apr 12, 2012, at 8:07 PM, limodou wrote:
For example, in my case, when I made some changes and I want to test
them, so I can run revision --autogenerate and upgrade the
database. And then I made other changes,
Thanks Michael, your explanation is comprehensive, currently I'm using
both of them,
but I feared that one of them could become obsolete in the future.
I'm trying to translate some queries that I had done with engine
but I find it hard to do.
For example, a query like this one, I can not set it
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