[orm] [bug] Fixed issue in new "loader criteria" method
_orm.PropComparator.and_() where usage with a loader strategy like
_orm.selectinload() against a column that was a member of the .c.
collection of a subquery object, where the subquery would be dynamically
added to the FROM clause of the statement, would be subject to stale
parameter values within the subquery in the SQL statement cache, as the
process used by the loader strategy to replace the parameters at execution
time would fail to accommodate the subquery when received in this form.
[orm] [bug] Fixed recursion overflow which could occur within ORM statement compilation
when using either the _orm.with_loader_criteria() feature or the the
_orm.PropComparator.and_() method within a loader strategy in
conjunction with a subquery which referred to the same entity being altered
by the criteria option, or loaded by the loader strategy. A check for
coming across the same loader criteria option in a recursive fashion has
been added to accommodate for this scenario.
[orm] [bug] [mypy] Fixed issue where the __class_getitem__() method of the generated
declarative base class by _orm.as_declarative() would lead to
inaccessible class attributes such as __table__, for cases where a
Generic[T] style typing declaration were used in the class hierarchy.
This is in continuation from the basic addition of __class_getitem__()
in #7368. Pull request courtesy Kai Mueller.
[orm] [bug] [regression] Fixed caching-related issue where the use of a loader option of the form
lazyload(aliased(A).bs).joinedload(B.cs) would fail to result in the
joinedload being invoked for runs subsequent to the query being cached, due
to a mismatch for the options / object path applied to the objects loaded
for a query with a lead entity that used aliased().
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Bumps sqlalchemy from 1.4.27 to 1.4.29.
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Sourced from sqlalchemy's releases.
... (truncated)
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