Bump sqlalchemy from 1.3.23 to 1.4.33

[dependabot]

Bumps sqlalchemy from 1.3.23 to 1.4.33.

Release notes

Sourced from sqlalchemy's releases.

1.4.33

Released: March 31, 2022

orm

• [orm] [usecase] Added _orm.with_polymorphic.adapt_on_names to the _orm.with_polymorphic() function, which allows a polymorphic load (typically with concrete mapping) to be stated against an alternative selectable that will adapt to the original mapped selectable on column names alone.

  References: #7805

• [orm] [usecase] Added new attributes UpdateBase.returning_column_descriptions and UpdateBase.entity_description to allow for inspection of ORM attributes and entities that are installed as part of an Insert, Update, or Delete construct. The Select.column_descriptions accessor is also now implemented for Core-only selectables.

  References: #7861

• [orm] [performance] [bug] Improvements in memory usage by the ORM, removing a significant set of intermediary expression objects that are typically stored when a copy of an expression object is created. These clones have been greatly reduced, reducing the number of total expression objects stored in memory by ORM mappings by about 30%.

  References: #7823

• [orm] [bug] [regression] Fixed regression in "dynamic" loader strategy where the _orm.Query.filter_by() method would not be given an appropriate entity to filter from, in the case where a "secondary" table were present in the relationship being queried and the mapping were against something complex such as a "with polymorphic".

  References: #7868

• [orm] [bug] Fixed bug where _orm.composite() attributes would not work in conjunction with the _orm.selectin_polymorphic() loader strategy for joined table inheritance.

  References: #7801

• [orm] [bug] Fixed issue where the _orm.selectin_polymorphic() loader option would not work with joined inheritance mappers that don't have a fixed "polymorphic_on" column. Additionally added test support for a wider variety of usage patterns with this construct.

... (truncated)

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[dependabot]

Superseded by #175.