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Added cascade all, delete-orphan to ProcessingMetaData

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This commit is contained in:
Joar Wandborg 2012-09-27 11:59:17 +02:00
parent 0df00eb68f
commit 942084fbfd
1 changed files with 7 additions and 5 deletions
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12
mediagoblin/db/sql/models.py
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@ -22,10 +22,10 @@ TODO: indexes on foreignkeys, where useful.
import datetime
import sys
from sqlalchemy import (
Column, Integer, Unicode, UnicodeText, DateTime, Boolean, ForeignKey,
UniqueConstraint, PrimaryKeyConstraint, SmallInteger)
from sqlalchemy.orm import relationship
from sqlalchemy import Column, Integer, Unicode, UnicodeText, DateTime, \
Boolean, ForeignKey, UniqueConstraint, PrimaryKeyConstraint, \
SmallInteger
from sqlalchemy.orm import relationship, backref
from sqlalchemy.orm.collections import attribute_mapped_collection
from sqlalchemy.sql.expression import desc
from sqlalchemy.ext.associationproxy import association_proxy
@ -418,7 +418,9 @@ class ProcessingMetaData(Base):
id = Column(Integer, primary_key=True)
media_entry_id = Column(Integer, ForeignKey(MediaEntry.id), nullable=False,
index=True)
media_entry = relationship(MediaEntry, backref='processing_metadata')
media_entry = relationship(MediaEntry,
backref=backref('processing_metadata',
cascade='all, delete-orphan'))
callback_url = Column(Unicode)
@property