[Sqlalchemy-commits] commit/sqlalchemy: 3 new changesets

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

3 new commits in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/2d64bd39ea2c/
Changeset:   2d64bd39ea2c
Branch:      None
User:        zzzeek
Date:        2015-04-30 21:43:49+00:00
Summary:     - rework this so that creator can maintain the same API as before

Affected #:  3 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/d26c18bd9dcb/
Changeset:   d26c18bd9dcb
Branch:      ticket_3355
User:        zzzeek
Date:        2015-04-30 21:43:53+00:00
Summary:     - new features will be in 1.0.3

Affected #:  4 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/0e98795ff2c7/
Changeset:   0e98795ff2c7
Branch:      None
User:        zzzeek
Date:        2015-04-30 21:51:14+00:00
Summary:     - New features added to support engine/pool plugins with advanced
functionality.   Added a new "soft invalidate" feature to the
connection pool at the level of the checked out connection wrapper
as well as the :class:`._ConnectionRecord`.  This works similarly
to a modern pool invalidation in that connections aren't actively
closed, but are recycled only on next checkout; this is essentially
a per-connection version of that feature.  A new event
:class:`.PoolEvents.soft_invalidate` is added to complement it.
fixes #3379

- Added new flag
:attr:`.ExceptionContext.invalidate_pool_on_disconnect`.
Allows an error handler within :meth:`.ConnectionEvents.handle_error`
to maintain a "disconnect" condition, but to handle calling invalidate
on individual connections in a specific manner within the event.

- Added new event :class:`.DialectEvents.do_connect`, which allows
interception / replacement of when the :meth:`.Dialect.connect`
hook is called to create a DBAPI connection.  Also added
dialect plugin hooks :meth:`.Dialect.get_dialect_cls` and
:meth:`.Dialect.engine_created` which allow external plugins to
add events to existing dialects using entry points.
fixes #3355

Affected #:  9 files

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

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