[Sqlalchemy-commits] commit/sqlalchemy: 2 new changesets

[Bitbucket <com...@bi...>]

2 new commits in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/9cbe235810b7/
Changeset:   9cbe235810b7
Branch:      None
User:        zzzeek
Date:        2015-02-04 23:35:01+00:00
Summary:     - A warning is emitted if the ``isolation_level`` parameter is used
with :meth:`.Connection.execution_options` when a :class:`.Transaction`
is in play; DBAPIs and/or SQLAlchemy dialects such as psycopg2,
MySQLdb may implicitly rollback or commit the transaction, or
not change the setting til next transaction, so this is never safe.
- Added new parameter :paramref:`.Session.connection.execution_options`
which may be used to set up execution options on a :class:`.Connection`
when it is first checked out, before the transaction has begun.
This is used to set up options such as isolation level on the
connection before the transaction starts.
- added new documentation section
detailing best practices for setting transaction isolation with
sessions.
fixes #3296

Affected #:  9 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/280497cc5bda/
Changeset:   280497cc5bda
Branch:      rel_0_9
User:        zzzeek
Date:        2015-02-04 23:37:51+00:00
Summary:     - A warning is emitted if the ``isolation_level`` parameter is used
with :meth:`.Connection.execution_options` when a :class:`.Transaction`
is in play; DBAPIs and/or SQLAlchemy dialects such as psycopg2,
MySQLdb may implicitly rollback or commit the transaction, or
not change the setting til next transaction, so this is never safe.
- Added new parameter :paramref:`.Session.connection.execution_options`
which may be used to set up execution options on a :class:`.Connection`
when it is first checked out, before the transaction has begun.
This is used to set up options such as isolation level on the
connection before the transaction starts.
- added new documentation section
detailing best practices for setting transaction isolation with
sessions.
fixes #3296

(cherry picked from commit 9cbe235810b7c0c24d2556b4bb581b0207812e2d)

Conflicts:
	test/orm/test_bind.py

Affected #:  8 files

Repository URL: https://bitbucket.org/zzzeek/sqlalchemy/

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