Bump sqlalchemy from 1.4.46 to 2.0.1

[dependabot]

Bumps sqlalchemy from 1.4.46 to 2.0.1.

Release notes

Sourced from sqlalchemy's releases.

2.0.1

Released: February 1, 2023

orm

• [orm] [bug] [regression] Fixed regression where ORM models that used joined table inheritance with a composite foreign key would encounter an internal error in the mapper internals.

  References: #9164

• [orm] [bug] Added support for PEP 484 NewType to be used in the _orm.registry.type_annotation_map as well as within Mapped constructs. These types will behave in the same way as custom subclasses of types right now; they must appear explicitly within the _orm.registry.type_annotation_map to be mapped.

  References: #9175

• [orm] [bug] When using the MappedAsDataclass superclass, all classes within the hierarchy that are subclasses of this class will now be run through the @dataclasses.dataclass function whether or not they are actually mapped, so that non-ORM fields declared on non-mapped classes within the hierarchy will be used when mapped subclasses are turned into dataclasses. This behavior applies both to intermediary classes mapped with __abstract__ = True as well as to the user-defined declarative base itself, assuming MappedAsDataclass is present as a superclass for these classes.

  This allows non-mapped attributes such as InitVar declarations on superclasses to be used, without the need to run the @dataclasses.dataclass decorator explicitly on each non-mapped class. The new behavior is considered as correct as this is what the PEP 681 implementation expects when using a superclass to indicate dataclass behavior.

  References: #9179

• [orm] [bug] Added support for PEP 586 Literal[] to be used in the _orm.registry.type_annotation_map as well as within Mapped constructs. To use custom types such as these, they must appear explicitly within the _orm.registry.type_annotation_map to be mapped. Pull request courtesy Frederik Aalund.

  As part of this change, the support for sqltypes.Enum in the _orm.registry.type_annotation_map has been expanded to include support for Literal[] types consisting of string values to be used, in addition to enum.Enum datatypes. If a Literal[] datatype

... (truncated)

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