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* allow_null_pks mapper() argument
(use allow_partial_pks)
* _get_col_to_prop() mapper method
(use get_property_by_column())
* dont_load argument to Session.merge()
(use load=True)
* sqlalchemy.orm.shard module
(use sqlalchemy.ext.horizontal_shard)
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a consistent tag
- AUTHORS file
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sqlalchemy.ext.horizontal_shard. The old import
works with a deprecation warning.
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[ticket:1606]
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[ticket:1072]
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in shard API, removed errant result.close()
left over from the 0.4 version. [ticket:1099]
[ticket:1228]
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Pass in the argument "label_length=<value>" to create_engine()
to adjust how many characters max will be present in dynamically
generated column labels, i.e. "somecolumn AS somelabel". Any
value less than 6 will result in a label of minimal size,
consiting of an underscore and a numeric counter.
The compiler uses the value of dialect.max_identifier_length
as a default. [ticket:1211]
- removed ANON_NAME regular expression, using string patterns now
- _generated_label() unicode subclass is used to indicate generated names
which are subject to truncation
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0.4 development continues at /sqlalchemy/branches/rel_0_4
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dictionary of QueryContext is now passed to SelectionContext inside
of Query.instances(), allowing messages to be passed between the two stages.
- removed the recent "exact match" behavior of Alias objects, they're back to
their usual behavior.
- tightened up the relationship between the Query's generation
of "eager load" aliases, and Query.instances() which actually grabs the
eagerly loaded rows. If the aliases were not specifically generated for
that statement by EagerLoader, the EagerLoader will not take effect
when the rows are fetched. This prevents columns from being grabbed accidentally
as being part of an eager load when they were not meant for such, which can happen
with textual SQL as well as some inheritance situations. It's particularly important
since the "anonymous aliasing" of columns uses simple integer counts now to generate
labels.
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- user-defined shard_chooser() function must accept "clause=None"
argument; this is the ClauseElement passed to session.execute(statement)
and can be used to determine correct shard id (since execute() doesn't
take an instance)
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- moved shard example/unittest over to sessionmaker
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- Session is used by unitofwork unit test now as well as session.py tests
- fixes to table/schema reflection broken last night
- doc updates
- other unittest fixes
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maintenance branch in branches/rel_0_3.
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