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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2023-04-17 09:18:23 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2023-04-17 09:18:23 -0400 |
| commit | acf7fbd60b9b1291dfc91438416867c88e94c5ba (patch) | |
| tree | 33eadd775097d37c3a1f8212981d1e238c13c2b0 /lib/sqlalchemy/ext/asyncio | |
| parent | f7bfa04bcae1e9bafa19a5ee03aaa0beac532294 (diff) | |
| download | sqlalchemy-acf7fbd60b9b1291dfc91438416867c88e94c5ba.tar.gz | |
run docs sync
this is needed due to previous commit f7bfa04bcae1e9baf
Change-Id: I7fa397707a018455a2c96b62704dfd506742b0cd
Diffstat (limited to 'lib/sqlalchemy/ext/asyncio')
| -rw-r--r-- | lib/sqlalchemy/ext/asyncio/engine.py | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/lib/sqlalchemy/ext/asyncio/engine.py b/lib/sqlalchemy/ext/asyncio/engine.py index 240a5a005..6dfca463f 100644 --- a/lib/sqlalchemy/ext/asyncio/engine.py +++ b/lib/sqlalchemy/ext/asyncio/engine.py @@ -858,30 +858,28 @@ class AsyncConnection( @property def default_isolation_level(self) -> Any: - r"""The default isolation level assigned to this - :class:`_engine.Connection`. + r"""The initial-connection time isolation level associated with the + :class:`_engine.Dialect` in use. .. container:: class_bases Proxied for the :class:`_engine.Connection` class on behalf of the :class:`_asyncio.AsyncConnection` class. - This is the isolation level setting that the - :class:`_engine.Connection` - has when first procured via the :meth:`_engine.Engine.connect` method. - This level stays in place until the - :paramref:`.Connection.execution_options.isolation_level` is used - to change the setting on a per-:class:`_engine.Connection` basis. + This value is independent of the + :paramref:`.Connection.execution_options.isolation_level` and + :paramref:`.Engine.execution_options.isolation_level` execution + options, and is determined by the :class:`_engine.Dialect` when the + first connection is created, by performing a SQL query against the + database for the current isolation level before any additional commands + have been emitted. - Unlike :meth:`_engine.Connection.get_isolation_level`, - this attribute is set - ahead of time from the first connection procured by the dialect, - so SQL query is not invoked when this accessor is called. + Calling this accessor does not invoke any new SQL queries. .. seealso:: :meth:`_engine.Connection.get_isolation_level` - - view current level + - view current actual isolation level :paramref:`_sa.create_engine.isolation_level` - set per :class:`_engine.Engine` isolation level |