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Classe « Dialect »

Méthode sqlalchemy.Dialect.set_isolation_level

Signature de la méthode set_isolation_level

def set_isolation_level(self, dbapi_connection: 'DBAPIConnection', level: 'IsolationLevel') -> 'None' 

Description

help(Dialect.set_isolation_level)

Given a DBAPI connection, set its isolation level.

Note that this is a dialect-level method which is used as part
of the implementation of the :class:`_engine.Connection` and
:class:`_engine.Engine`
isolation level facilities; these APIs should be preferred for
most typical use cases.

If the dialect also implements the
:meth:`.Dialect.get_isolation_level_values` method, then the given
level is guaranteed to be one of the string names within that sequence,
and the method will not need to anticipate a lookup failure.

.. seealso::

    :meth:`_engine.Connection.get_isolation_level`
    - view current level

    :attr:`_engine.Connection.default_isolation_level`
    - view default level

    :paramref:`.Connection.execution_options.isolation_level` -
    set per :class:`_engine.Connection` isolation level

    :paramref:`_sa.create_engine.isolation_level` -
    set per :class:`_engine.Engine` isolation level

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