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to originate from the DBAPI layer.
Moved those error throws to CompileError/InvalidRequestError.
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their referenced column, even if the column
was given a "key" attribute different from
the reflected name. This is achieved via a
new flag on ForeignKey/ForeignKeyConstraint
called "link_to_name", if True means the given
name is the referred-to column's name, not its
assigned key.
[ticket:650]
- removed column types from sqlite doc, we
aren't going to list out "implementation" types
since they aren't significant and are less present
in 0.6
- mysql will report on missing reflected foreign
key targets in the same way as other dialects
(we can improve that to be immediate within
reflecttable(), but it should be within
ForeignKeyConstraint()).
- postgres dialect can reflect table with
an include_columns list that doesn't include
one or more primary key columns
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with a more succinct "dialect.execution_ctx_cls" member
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to an instance will not drop into an EXISTS clause
and will compare foreign key columns instead.
- removed not-really-working use cases of comparing
a collection to an iterable. Use contains() to test
for collection membership.
- Further simplified SELECT compilation and its relationship
to result row processing.
- Direct execution of a union() construct will properly set up
result-row processing. [ticket:1194]
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to 'scale'. 'length' is deprecated and is still accepted
with a warning. [ticket:827]
- The 'length' argument to MSInteger, MSBigInteger, MSTinyInteger,
MSSmallInteger and MSYear has been renamed to 'display_width'.
[ticket:827]
- mysql._Numeric now consumes 'unsigned' and 'zerofill' from
the given kw, so that the same kw can be passed along to Numeric
and allow the 'length' deprecation logic to still take effect
- added testlib.engines.all_dialects() to return a dialect for
every db module
- informix added to sqlalchemy.databases.__all__. Since other
"experimental" dbs like access and sybase are there, informix
should be as well.
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from [ticket:1068]. This feature is on hold
pending further development.
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own name
and not its contained expression, if the dialect reports true for supports_simple_order_by_label.
the flag is not propagated forwards, meant to closely mimic the syntax Postgres expects which is
that only a simple name can be in the ORDER BY, not a more complex expression or function call
with the label name embedded (mysql and sqlite support more complex expressions).
This further sets the standard for propigation of **kwargs within compiler, that we can't just send
**kwargs along blindly to each XXX.process() call; whenever a **kwarg needs to propagate through,
most methods will have to be aware of it and know when they should send it on forward and when not.
This was actually already the case with result_map as well.
The supports_simple_order_by dialect flag defaults to True but is conservatively explicitly set to
False on all dialects except SQLite/MySQL/Postgres to start.
[ticket:1068]
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(sets.Set-based collections & DB-API returns still work.)
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- removed ancient descriptor() functions from dialects; replaced with Dialect.name
- removed similarly ancient sys.modules silliness in Engine.name
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0.4 development continues at /sqlalchemy/branches/rel_0_4
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util.warn() wraps this up.
- SADeprecationWarning has moved to exceptions. An alias remains in logging until 0.5.
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deprecated until 0.5. The "upgrading" behavior of String to Text
when no length is present is also deprecated until 0.5; will issue a
warning when used for CREATE TABLE statements (String with no length
for SQL expression purposes is still fine) [ticket:912]
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- cleanup within compiler visit_select(), column labeling
- is_select() removed from dialects, replaced with returns_rows_text(), returns_rows_compiled()
- should_autocommit() removed from dialects, replaced with should_autocommit_text() and
should_autocommit_compiled()
- typemap and column_labels collections removed from Compiler, replaced with single "result_map" collection.
- ResultProxy uses more succinct logic in combination with result_map to target columns
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- added sybase dialect test
- added sybase and access to generated docs
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