diff options
Diffstat (limited to 'lib/sqlalchemy/engine/default.py')
| -rw-r--r-- | lib/sqlalchemy/engine/default.py | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py index 59a4b47dc..a754ebe58 100644 --- a/lib/sqlalchemy/engine/default.py +++ b/lib/sqlalchemy/engine/default.py @@ -367,7 +367,7 @@ class DefaultDialect(interfaces.Dialect): self.default_schema_name = None try: - self.default_isolation_level = self.get_isolation_level( + self.default_isolation_level = self.get_default_isolation_level( connection.connection ) except NotImplementedError: @@ -419,6 +419,22 @@ class DefaultDialect(interfaces.Dialect): """ return None + def get_default_isolation_level(self, dbapi_conn): + """Given a DBAPI connection, return its isolation level, or + a default isolation level if one cannot be retrieved. + + May be overridden by subclasses in order to provide a + "fallback" isolation level for databases that cannot reliably + retrieve the actual isolation level. + + By default, calls the :meth:`_engine.Interfaces.get_isolation_level` + method, propagating any exceptions raised. + + .. versionadded:: 1.3.22 + + """ + return self.get_isolation_level(dbapi_conn) + def _check_unicode_returns(self, connection, additional_tests=None): # this now runs in py2k only and will be removed in 2.0; disabled for # Python 3 in all cases under #5315 |