[sql] [bug] Fixed critical memory issue identified in cache key generation, where for
very large and complex ORM statements that make use of lots of ORM aliases
with subqueries, cache key generation could produce excessively large keys
that were orders of magnitude bigger than the statement itself. Much thanks
to Rollo Konig Brock for their very patient, long term help in finally
identifying this issue.
[postgresql] [bug] [mssql] For the PostgreSQL and SQL Server dialects only, adjusted the compiler so
that when rendering column expressions in the RETURNING clause, the "non
anon" label that's used in SELECT statements is suggested for SQL
expression elements that generate a label; the primary example is a SQL
function that may be emitting as part of the column's type, where the label
name should match the column's name by default. This restores a not-well
defined behavior that had changed in version 1.4.21 due to #6718,
#6710. The Oracle dialect has a different RETURNING implementation
and was not affected by this issue. Version 2.0 features an across the
board change for its widely expanded support of RETURNING on other
backends.
[oracle] [bug] Fixed issue in the Oracle dialect where an INSERT statement that used
insert(some_table).values(...).returning(some_table) against a full
Table object at once would fail to execute, raising an exception.
tests
[tests] [bug] Fixed issue where the --disable-asyncio parameter to the test suite
would fail to not actually run greenlet tests and would also not prevent
the suite from using a "wrapping" greenlet for the whole suite. This
parameter now ensures that no greenlet or asyncio use will occur within the
entire run when set.
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Updates the requirements on sqlalchemy to permit the latest version.
Release notes
Sourced from sqlalchemy's releases.
... (truncated)
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