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

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

2 new commits in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/a6fe4dc0c8eb/
Changeset:   a6fe4dc0c8eb
Branch:      None
User:        zzzeek
Date:        2015-11-19 20:45:17+00:00
Summary:     - A rare case which occurs when a :meth:`.Session.rollback` fails in the
scope of a :meth:`.Session.flush` operation that's raising an
exception, as has been observed in some MySQL SAVEPOINT cases, prevents
the original  database exception from being observed when it was
emitted during  flush, but only on Py2K because Py2K does not support
exception  chaining; on Py3K the originating exception is chained.  As
a workaround, a warning is emitted in this specific case showing at
least the string message of the original database error before we
proceed to raise  the rollback-originating exception.
fixes #2696

Affected #:  4 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/caef13d8cf01/
Changeset:   caef13d8cf01
Branch:      rel_1_0
User:        zzzeek
Date:        2015-11-19 20:45:47+00:00
Summary:     - A rare case which occurs when a :meth:`.Session.rollback` fails in the
scope of a :meth:`.Session.flush` operation that's raising an
exception, as has been observed in some MySQL SAVEPOINT cases, prevents
the original  database exception from being observed when it was
emitted during  flush, but only on Py2K because Py2K does not support
exception  chaining; on Py3K the originating exception is chained.  As
a workaround, a warning is emitted in this specific case showing at
least the string message of the original database error before we
proceed to raise  the rollback-originating exception.
fixes #2696

(cherry picked from commit a6fe4dc0c8ebc346a90dd849a86dac9345d74515)

Affected #:  4 files

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

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