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

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

2 new commits in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/61fc1d07160b/
Changeset:   61fc1d07160b
Branch:      ticket_3216
User:        zzzeek
Date:        2015-10-07 14:01:35+00:00
Summary:     - tweaks

Affected #:  2 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/414af7b61291/
Changeset:   414af7b61291
Branch:      None
User:        zzzeek
Date:        2015-10-07 14:02:45+00:00
Summary:     - The system by which a :class:`.Column` considers itself to be an
"auto increment" column has been changed, such that autoincrement
is no longer implicitly enabled for a :class:`.Table` that has a
composite primary key.  In order to accommodate being able to enable
autoincrement for a composite PK member column while at the same time
maintaining SQLAlchemy's long standing behavior of enabling
implicit autoincrement for a single integer primary key, a third
state has been added to the :paramref:`.Column.autoincrement` parameter
``"auto"``, which is now the default. fixes #3216
- The MySQL dialect no longer generates an extra "KEY" directive when
generating CREATE TABLE DDL for a table using InnoDB with a
composite primary key with AUTO_INCREMENT on a column that isn't the
first column;  to overcome InnoDB's limitation here, the PRIMARY KEY
constraint is now generated with the AUTO_INCREMENT column placed
first in the list of columns.

Affected #:  22 files

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

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