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See README.unittests for information on how to run
the tests. [ticket:970]
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dependencies on those.
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whereby a self referential relation
from a base class to a joined-table subclass would
not configure correctly.
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Session methods have been deprecated, replaced by
"expunge_all()" and "add()". "expunge_all()" has also
been added to ScopedSession.
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[ticket:1149]
- added other unit tests as per [ticket:1149]
- rewrote most of the "joined table inheritance" documentation section, removed badly out of
date "polymorphic_fetch" and "select_table" arguments.
- "select_table" raises a deprecation warning. converted unit tests to not use it.
- removed all references to "ORDER BY table.oid" from mapping docs.
- renamed PropertyLoader to RelationProperty. Old symbol remains.
- renamed ColumnProperty.ColumnComparator to ColumnProperty.Comparator. Old symbol remains.
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a couple of insures that should be ensure.
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of work logging is now
class level like all the other logging.
- trimmed back the logging API, centralized class_logger() as the single point of configuration for
logging, removed per-instance logging checks from ORM.
- Engine and Pool logging remain at the instance level. The modulus of "instance ids" has been upped
to 65535. I'd like to remove the modulus altogether but I do see a couple of users each month
calling create_engine() on a per-request basis, an incorrect practice but I'd rather their applications
don't just run out of memory.
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- Added "sorted_tables" accessor to MetaData, which returns
Table objects sorted in order of dependency as a list.
This deprecates the MetaData.table_iterator() method.
The "reverse=False" keyword argument has also been
removed from util.sort_tables(); use the Python
'reversed' function to reverse the results.
[ticket:1033]
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- removed most __foo() defs from properties.py
- complexity reduction in PropertyLoader.do_init()
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0.4 development continues at /sqlalchemy/branches/rel_0_4
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- The methodology behind "primaryjoin"/"secondaryjoin" has
been refactored. Behavior should be slightly more
intelligent, primarily in terms of error messages which
have been pared down to be more readable. In a slight
number of scenarios it can better resolve the correct
foreign key than before.
- moved collections unit test from relationships.py to collection.py
- PropertyLoader now has "synchronize_pairs" and "equated_pairs"
collections which allow easy access to the source/destination
parent/child relation between columns (might change names)
- factored out ClauseSynchronizer (finally)
- added many more tests for priamryjoin/secondaryjoin
error checks
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- removes everything to do with select_table, which remains as a keyword argument synonymous with
with_polymorphic=('*', select_table).
- all "polymorphic" selectables find their way to Query by way of _set_select_from() now, so that
all joins/aliasing/eager loads/etc. is handled consistently. Mapper has methods for producing
polymorphic selectables so that Query and eagerloaders alike can get to them.
- row aliasing simplified, so that they don't need to nest. they only need the source selectable
and adapt to whatever incoming columns they get.
- Query is more egalitarian about mappers/columns now. Still has a strong sense of "entity zero",
but also introduces new unpublished/experimental _values() method which sets up a columns-only query.
- Query.order_by() and Query.group_by() take *args now (also still take a list, will likely deprecate
in 0.5). May want to do this for select() as well.
- the existing "check for False discriminiator" "fix" was not working completely, added coverage
- orphan detection was broken when the target object was a subclass of the mapper with the orphaned
relation, fixed that too.
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tests extend from either TestBase or ORMTest, using additional mixins for
special assertion methods as needed
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exception is raised when base polymorphic_on
column does not correspond to any columns within
the local selectable of an inheriting mapper more
than one level deep
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- Part one of test suite fixes to run on 2.3
Lots of failures still around sets; sets.Set differs from __builtin__.set
particularly in the binops. We depend on set extensively now and may need to
provide a corrected sets.Set subclass on 2.3.
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- Importing testenv has no side effects- explicit functions provide similar behavior to the old immediate behavior of testbase
- testing.db has the configured db
- Fixed up the perf/* scripts
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was used in conjunction with an inheriting mapper where the eager
loader was only in the parent mapper.
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selectable expressions. On the SQL side this is represented by the
"corresponding_column()" method. This method is used heavily by the ORM
to "adapt" elements of an expression to similar, aliased expressions,
as well as to target result set columns originally bound to a
table or selectable to an aliased, "corresponding" expression. The new
rewrite features completely consistent and accurate behavior.
- the "orig_set" and "distance" elements as well as all associated
fanfare are gone (hooray !)
- columns now have an optional "proxies" list which is a list of all
columns they are a "proxy" for; only CompoundSelect cols proxy more than one column
(just like before). set operations are used to determine lineage.
- CompoundSelects (i.e. unions) only create one public-facing proxy column per
column name. primary key collections come out with just one column per embedded
PK column.
- made the alias used by eager load limited subquery anonymous.
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occurs upon mapper construction. this allows us to have fewer
calls to mapper.compile() and also to allow class-based properties
to force a compilation (i.e. User.addresses == 7 will compile all
mappers; this is [ticket:758]). The only caveat here is that
an inheriting mapper now looks for its inherited mapper upon construction;
so mappers within inheritance relationships need to be constructed in
inheritance order (which should be the normal case anyway).
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omitting modules from sqlalchemy.__all__...
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maintenance branch in branches/rel_0_3.
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