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From: sqlalchemy <mike_mp@zz...> - 2011-10-26 16:42:22
|
#2308: mutable composites lose track of parent after a flush
---------------------------------+------------------------------------------
Reporter: zzzeek | Owner: zzzeek
Type: defect | Status: closed
Priority: highest | Milestone: 0.7.4
Component: orm | Severity: minor - half an hour
Resolution: fixed | Keywords:
Status_field: completed/closed |
---------------------------------+------------------------------------------
Changes (by zzzeek):
* status: new => closed
* resolution: => fixed
* status_field: in progress => completed/closed
Comment:
r18994f7e31d4
--
Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2308#comment:1>;
sqlalchemy <http://www.sqlalchemy.org/>;
The Database Toolkit for Python
|
|
From: sqlalchemy <mike_mp@zz...> - 2011-10-26 16:42:08
|
#2309: server side defaults and composites
---------------------------------+------------------------------------------
Reporter: zzzeek | Owner: zzzeek
Type: defect | Status: closed
Priority: medium | Milestone: 0.7.4
Component: orm | Severity: minor - half an hour
Resolution: fixed | Keywords:
Status_field: completed/closed |
---------------------------------+------------------------------------------
Changes (by zzzeek):
* status: new => closed
* resolution: => fixed
* status_field: in progress => completed/closed
Comment:
r18994f7e31d4
--
Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2309#comment:2>;
sqlalchemy <http://www.sqlalchemy.org/>;
The Database Toolkit for Python
|
|
From: sqlalchemy <mike_mp@zz...> - 2011-10-26 16:10:14
|
#2309: server side defaults and composites
--------------------+-------------------------------------------------------
Reporter: zzzeek | Owner: zzzeek
Type: defect | Status: new
Priority: medium | Milestone: 0.7.4
Component: orm | Severity: minor - half an hour
Keywords: | Status_field: in progress
--------------------+-------------------------------------------------------
Description changed by zzzeek:
Old description:
> {{{
> !python
> from sqlalchemy import *
> from sqlalchemy.orm import *
> from sqlalchemy.ext.declarative import declarative_base
>
> Base= declarative_base()
>
> class MyComposite(object):
> def __init__(self, datax, datay):
> self.datax = datax
> self.datay = datay
> def __composite_values__(self):
> return self.datax, self.datay
>
> class A(Base):
> __tablename__ = "a"
>
> id = Column(Integer, primary_key=True)
> x = Column(Integer, server_default="9")
> y = Column(Integer, default=10)
> value = composite(MyComposite, x, y)
>
> e = create_engine('sqlite://';, echo=True)
> Base.metadata.create_all(e)
> s = Session(e)
> a1 = A(value=MyComposite(None, None))
> s.add(a1)
> s.flush()
>
> assert a1.value.datay == 10
> assert a1.value.datax == 9
>
> }}}
>
> the fix for #2308 will also get this one
New description:
{{{
#!python
from sqlalchemy import *
from sqlalchemy.orm import *
from sqlalchemy.ext.declarative import declarative_base
Base= declarative_base()
class MyComposite(object):
def __init__(self, datax, datay):
self.datax = datax
self.datay = datay
def __composite_values__(self):
return self.datax, self.datay
class A(Base):
__tablename__ = "a"
id = Column(Integer, primary_key=True)
x = Column(Integer, server_default="9")
y = Column(Integer, default=10)
value = composite(MyComposite, x, y)
e = create_engine('sqlite://';, echo=True)
Base.metadata.create_all(e)
s = Session(e)
a1 = A(value=MyComposite(None, None))
s.add(a1)
s.flush()
assert a1.value.datay == 10
assert a1.value.datax == 9
}}}
the fix for #2308 will also get this one
--
--
Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2309#comment:1>;
sqlalchemy <http://www.sqlalchemy.org/>;
The Database Toolkit for Python
|
|
From: sqlalchemy <mike_mp@zz...> - 2011-10-26 16:10:02
|
#2309: server side defaults and composites
--------------------+-------------------------------------------------------
Reporter: zzzeek | Owner: zzzeek
Type: defect | Status: new
Priority: medium | Milestone: 0.7.4
Component: orm | Severity: minor - half an hour
Keywords: | Status_field: in progress
--------------------+-------------------------------------------------------
{{{
!python
from sqlalchemy import *
from sqlalchemy.orm import *
from sqlalchemy.ext.declarative import declarative_base
Base= declarative_base()
class MyComposite(object):
def __init__(self, datax, datay):
self.datax = datax
self.datay = datay
def __composite_values__(self):
return self.datax, self.datay
class A(Base):
__tablename__ = "a"
id = Column(Integer, primary_key=True)
x = Column(Integer, server_default="9")
y = Column(Integer, default=10)
value = composite(MyComposite, x, y)
e = create_engine('sqlite://';, echo=True)
Base.metadata.create_all(e)
s = Session(e)
a1 = A(value=MyComposite(None, None))
s.add(a1)
s.flush()
assert a1.value.datay == 10
assert a1.value.datax == 9
}}}
the fix for #2308 will also get this one
--
Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2309>;
sqlalchemy <http://www.sqlalchemy.org/>;
The Database Toolkit for Python
|
|
From: sqlalchemy <mike_mp@zz...> - 2011-10-26 15:27:25
|
#2308: mutable composites lose track of parent after a flush
---------------------+------------------------------------------------------
Reporter: zzzeek | Owner: zzzeek
Type: defect | Status: new
Priority: highest | Milestone: 0.7.4
Component: orm | Severity: minor - half an hour
Keywords: | Status_field: in progress
---------------------+------------------------------------------------------
{{{
#!python
from sqlalchemy import MetaData, Column, create_engine
from sqlalchemy.types import Integer, String
from sqlalchemy.orm import create_session, composite
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.ext.mutable import MutableComposite
engine = create_engine('sqlite://';, echo=True)
metadata = MetaData(bind=engine)
Base = declarative_base(metadata=metadata)
class MyComposite(MutableComposite):
def __init__(self, a, b):
self.a = a
self.b = b
def __composite_values__(self):
return (self.a, self.b)
def __getstate__(self):
return self.__composite_values__()
def __setstate__(self, state):
(self.a, self.b) = state
def __setattr__(self, key, value):
object.__setattr__(self, key, value)
self.changed()
class Foo(Base):
__tablename__ = 'foos'
id = Column(Integer, primary_key=True)
name = Column(String(50))
comp = composite(MyComposite,
Column('a', String(50)),
Column('b', String(50)))
metadata.drop_all()
metadata.create_all()
sess = create_session()
foo = Foo()
sess.add(foo)
sess.flush()
sess.expunge_all()
##########
print "loading a foo instance"
foo = sess.query(Foo).get(1)
print "changing foo.name"
foo.name = 'changed'
print "before flush, foo.comp._parents is %r" % foo.comp._parents.items()
sess.flush()
print "after flush, foo.comp._parents is %r" % foo.comp._parents.items()
print "changing foo.comp.a"
foo.comp.a = 'hello'
print "flushing again"
sess.flush()
sess.expunge_all()
##########
print "checking that change to composite was persisted"
foo = sess.query(Foo).get(1)
assert foo.comp.a == 'hello'
print "good"
}}}
--
Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2308>;
sqlalchemy <http://www.sqlalchemy.org/>;
The Database Toolkit for Python
|