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

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3 new commits in sqlalchemy:

https://bitbucket.org/zzzeek/sqlalchemy/commits/f00544a589d5/
Changeset:   f00544a589d5
Branch:      None
User:        zzzeek
Date:        2013-10-13 22:42:32
Summary:     -  Added new option to :func:`.relationship` ``distinct_target_key``.
This enables the subquery eager loader strategy to apply a DISTINCT
to the innermost SELECT subquery, to assist in the case where
duplicate rows are generated by the innermost query which corresponds
to this relationship (there's not yet a general solution to the issue
of dupe rows within subquery eager loading, however, when joins outside
of the innermost subquery produce dupes).  When the flag
is set to ``True``, the DISTINCT is rendered unconditionally, and when
it is set to ``None``, DISTINCT is rendered if the innermost relationship
targets columns that do not comprise a full primary key.
The option defaults to False in 0.8 (e.g. off by default in all cases),
None in 0.9 (e.g. automatic by default).   Thanks to Alexander Koval
for help with this. [ticket:2836]

Affected #:  4 files

https://bitbucket.org/zzzeek/sqlalchemy/commits/ee0302161a85/
Changeset:   ee0302161a85
Branch:      master
User:        zzzeek
Date:        2013-10-13 22:43:57
Summary:     name

Affected #:  1 file

https://bitbucket.org/zzzeek/sqlalchemy/commits/28a349135792/
Changeset:   28a349135792
Branch:      rel_0_8
User:        zzzeek
Date:        2013-10-13 22:54:21
Summary:     -  Added new option to :func:`.relationship` ``distinct_target_key``.
This enables the subquery eager loader strategy to apply a DISTINCT
to the innermost SELECT subquery, to assist in the case where
duplicate rows are generated by the innermost query which corresponds
to this relationship (there's not yet a general solution to the issue
of dupe rows within subquery eager loading, however, when joins outside
of the innermost subquery produce dupes).  When the flag
is set to ``True``, the DISTINCT is rendered unconditionally, and when
it is set to ``None``, DISTINCT is rendered if the innermost relationship
targets columns that do not comprise a full primary key.
The option defaults to False in 0.8 (e.g. off by default in all cases),
None in 0.9 (e.g. automatic by default).   Thanks to Alexander Koval
for help with this. [ticket:2836]

Conflicts:
	lib/sqlalchemy/orm/relationships.py

Affected #:  5 files

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

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