so I think I want to try to build a smarter "find everything without a dependency"
system that is more inline with how this is running now anyway - i.e.
go through the whole list, find nodes with no dependencies. maybe the
original topological.sort() can do that, not sure.
on cycles. so lets reintroduce the organize as tree component, which
works here. still need to make it meaningful by teaching the save/delete state
actions to receive a set of items to match up
otherwise, if listonly can go from True to False, then there's the whole cascades issue
to deal with, same for delete moving from False to True and vice versa.
not execute at all when a one-to-many is present on the reverse side.
- OneToMany can establish a state as "listonly" when passive_updates are enabled
and the change is due to key switch.
- Usage of version_id_col on a backend that supports
cursor.rowcount for execute() but not executemany() now works
when a delete is issued (already worked for saves, since those
don't use executemany()). For a backend that doesn't support
cursor.rowcount at all, a warning is emitted the same
as with saves. [ticket:1761]
- we do need dependencies between an object and its dep when the other object
has no save or delete pending. the other object
like before isn't needed, but right now we make the dependency just 'None',
and it gets thrown away.
DBAPI returns natively the kinds of values we prefer:
- NUMBER values with positive precision + scale convert
to cx_oracle.STRING and then to Decimal. This
allows perfect precision for the Numeric type when
using cx_oracle. [ticket:1759]
- STRING/FIXED_CHAR now convert to unicode natively.
SQLAlchemy's String types then don't need to
apply any kind of conversions.
to None by default. This can be overridden using 'doc'
(or if using Sphinx, attribute docstrings work too).
- Added kw argument 'doc' to all mapper property callables
as well as Column(). Will assemble the string 'doc' as
the '__doc__' attribute on the descriptor.
Mike Bayer