[orm] [usecase] Exceptions such as TypeError and ValueError raised by Python
dataclasses when making use of the _orm.MappedAsDataclass mixin
class or _orm.registry.mapped_as_dataclass() decorator are now
wrapped within an InvalidRequestError wrapper along with
informative context about the error message, referring to the Python
dataclasses documentation as the authoritative source of background
information on the cause of the exception.
[orm] [bug] Fixed issue in ORM Annotated Declarative where using a recursive type (e.g.
using a nested Dict type) would result in a recursion overflow in the ORM's
annotation resolution logic, even if this datatype were not necessary to
map the column.
[orm] [bug] Fixed issue where the _orm.mapped_column() construct would raise an
internal error if used on a Declarative mixin and included the
_orm.mapped_column.deferred parameter.
[orm] [bug] Expanded the warning emitted when a plain _sql.column() object is
present in a Declarative mapping to include any arbitrary SQL expression
that is not declared within an appropriate property type such as
_orm.column_property(), _orm.deferred(), etc. These attributes
are otherwise not mapped at all and remain unchanged within the class
dictionary. As it seems likely that such an expression is usually not
what's intended, this case now warns for all such otherwise ignored
expressions, rather than just the _sql.column() case.
[orm] [bug] Fixed regression where accessing the expression value of a hybrid property
on a class that was either unmapped or not-yet-mapped (such as calling upon
it within a _orm.declared_attr() method) would raise an internal
error, as an internal fetch for the parent class' mapper would fail and an
instruction for this failure to be ignored were inadvertently removed in
2.0.
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Bumps sqlalchemy from 2.0.7 to 2.0.8.
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Sourced from sqlalchemy's releases.
... (truncated)
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