[orm] [bug] Fixed issue where referencing a CTE multiple times in conjunction with a
polymorphic SELECT could result in multiple "clones" of the same CTE being
constructed, which would then trigger these two CTEs as duplicates. To
resolve, the two CTEs are deep-compared when this occurs to ensure that
they are equivalent, then are treated as equivalent.
[orm] [bug] A _sql.select() construct that is passed a sole '*' argument for
SELECT *, either via string, _sql.text(), or
_sql.literal_column(), will be interpreted as a Core-level SQL
statement rather than as an ORM level statement. This is so that the *,
when expanded to match any number of columns, will result in all columns
returned in the result. the ORM- level interpretation of
_sql.select() needs to know the names and types of all ORM columns up
front which can't be achieved when '*' is used.
If '* is used amongst other expressions simultaneously with an ORM
statement, an error is raised as this can't be interpreted correctly by the
ORM.
[orm] [declarative] [bug] Fixed issue where a hierarchy of classes set up as an abstract or mixin
declarative classes could not declare standalone columns on a superclass
that would then be copied correctly to a _orm.declared_attr
callable that wanted to make use of them on a descendant class.
[engine] [usecase] Implemented new _engine.Connection.execution_options.yield_per
execution option for _engine.Connection in Core, to mirror that of
the same yield_per <orm_queryguide_yield_per> option available in
the ORM. The option sets both the
_engine.Connection.execution_options.stream_results option at
the same time as invoking _engine.Result.yield_per(), to provide the
most common streaming result configuration which also mirrors that of the
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Bumps sqlalchemy from 1.3.22 to 1.4.40.
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Sourced from sqlalchemy's releases.
... (truncated)
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