Bump sqlalchemy from 1.3.20 to 1.4.10

[dependabot-preview]

Bumps sqlalchemy from 1.3.20 to 1.4.10.

Release notes

Sourced from sqlalchemy's releases.

1.4.10

Released: April 20, 2021

orm

• [orm] [usecase] Altered some of the behavior repaired in #6232 where the immediateload loader strategy no longer goes into recursive loops; the modification is that an eager load (joinedload, selectinload, or subqueryload) from A->bs->B which then states immediateload for a simple manytoone B->a->A that's in the identity map will populate the B->A, so that this attribute is back-populated when the collection of A/A.bs are loaded. This allows the objects to be functional when detached.

• [orm] [bug] Fixed bug in new _orm.with_loader_criteria() feature where using a mixin class with _orm.declared_attr() on an attribute that were accessed inside the custom lambda would emit a warning regarding using an unmapped declared attr, when the lambda callable were first initialized. This warning is now prevented using special instrumentation for this lambda initialization step.

  References: #6320

• [orm] [bug] [regression] Fixed additional regression caused by the "eagerloaders on refresh" feature added in #1763 where the refresh operation historically would set populate_existing, which given the new feature now overwrites pending changes on eagerly loaded objects when autoflush is false. The populate_existing flag has been turned off for this case and a more specific method used to ensure the correct attributes refreshed.

  References: #6326

• [orm] [bug] [result] Fixed an issue when using 2.0 style execution that prevented using _result.Result.scalar_one() or _result.Result.scalar_one_or_none() after calling _result.Result.unique(), for the case where the ORM is returning a single-element row in any case.

  References: #6299

sql

• [sql] [bug] Fixed issue in SQL compiler where the bound parameters set up for a Values construct wouldn't be positionally tracked correctly if inside of a _sql.CTE, affecting database drivers that support VALUES + ctes and use positional parameters such as SQL Server in particular as well as asyncpg. The fix also repairs support for compiler flags such as literal_binds.

... (truncated)

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[dependabot-preview]

Superseded by #37.