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- deprecated PassiveDefault - use DefaultClause.
- the BINARY and MSBinary types now generate "BINARY" in all
cases. Omitting the "length" parameter will generate
"BINARY" with no length. Use BLOB to generate an unlengthed
binary column.
- the "quoting='quoted'" argument to MSEnum/ENUM is deprecated.
It's best to rely upon the automatic quoting.
- "shortname" attribute on bindparam() is removed.
- fold_equivalents flag on join is deprecated (will remain
until [ticket:1131] is implemented)
- "scalar" flag on select() is removed, use
select.as_scalar().
- 'transactional' flag on sessionmaker() and others is
removed. Use 'autocommit=True' to indicate 'transactional=False'.
- 'polymorphic_fetch' argument on mapper() is removed.
Loading can be controlled using the 'with_polymorphic'
option.
- 'select_table' argument on mapper() is removed. Use
'with_polymorphic=("*", <some selectable>)' for this
functionality.
- 'proxy' argument on synonym() is removed. This flag
did nothing throughout 0.5, as the "proxy generation"
behavior is now automatic.
- Passing a single list of elements to eagerload(),
eagerload_all(), contains_eager(), lazyload(),
defer(), and undefer() instead of multiple positional
-args is deprecated.
- Passing a single list of elements to query.order_by(),
query.group_by(), query.join(), or query.outerjoin()
instead of multiple positional *args is deprecated.
- query.iterate_instances() is removed. Use query.instances().
- Query.query_from_parent() is removed. Use the
sqlalchemy.orm.with_parent() function to produce a
"parent" clause, or alternatively query.with_parent().
- query._from_self() is removed, use query.from_self()
instead.
- the "comparator" argument to composite() is removed.
Use "comparator_factory".
- RelationProperty._get_join() is removed.
- the 'echo_uow' flag on Session is removed. Use
logging on the "sqlalchemy.orm.unitofwork" name.
- session.clear() is removed. use session.expunge_all().
- session.save(), session.update(), session.save_or_update()
are removed. Use session.add() and session.add_all().
- the "objects" flag on session.flush() remains deprecated.
- the "dont_load=True" flag on session.merge() is deprecated
in favor of "load=False".
- passing an InstanceState (internal SQLAlchemy state object) to
attributes.init_collection() or attributes.get_history() is
deprecated. These functions are public API and normally
expect a regular mapped object instance.
- the 'engine' parameter to declarative_base() is removed.
Use the 'bind' keyword argument.
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sets require that all keys are present which are
present in the first bound parameter set. The structure
and behavior of an insert/update statement is very much
determined by the first parameter set, including which
defaults are going to fire off, and a minimum of
guesswork is performed with all the rest so that performance
is not impacted. For this reason defaults would otherwise
silently "fail" for missing parameters, so this is now guarded
against. [ticket:1566]
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by result.fetchone(), result.fetchall() etc.
- the "named tuple" objects returned when iterating a
Query() are now pickleable.
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psycopg2 can't handle a bind parameter name of
%(foobar)s however and SQLA doesn't want to add overhead
just to treat that one non-existent use case.
[ticket:1279]
- MySQL: somewhat better support for % signs in table/column names;
MySQLdb can't handle % signs in SQL when executemany() is used,
and SQLA doesn't want to add overhead just to treat that one
non-existent use case. [ticket:1279]
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o avoid returning tests on oracle+zxjdbc for now
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type handling to result sets, allowing conversions like
unicode and such to take place. [ticket:1420]
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See README.unittests for information on how to run
the tests. [ticket:970]
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