Thanks for the tips. It works with the ForeignKeyConstraint example in the last comment
On Apr 14, 4:15 pm, GHZ <geraint.willi...@gmail.com> wrote: > Looks like you need to specify a composite ForeignKey > > http://www.sqlalchemy.org/docs/core/schema.html?highlight=foreign_key... > > comment_table = Table('comment',metadata, > Column('id',Integer,primary_key=True), > Column('package_id', Integer), > Column('repo_id', Integer), > Column('msg',String), > ForeignKeyConstraint(['package_id', 'repo_id'], > ['package_repo_table.package_id', 'package_repo_table.repo_id']) > ) > > On Apr 14, 3:41 pm, frankentux <cfarrell1...@googlemail.com> wrote: > > > > > > > > > > > package_table = Table('package',metadata, > > Column('id',Integer,primary_key=True), > > Column('name',String)) > > > repo_table = Table('repo',metadata, > > Column('id',Integer,primary_key=True), > > Column('name',String)) > > > comment_table = Table('comment',metadata, > > Column('id',Integer,primary_key=True), > > ### PROBLEM - HOW TO CREATE RELATIONSHIP TO package_repo ### > > # Column('packagerepo_id', Integer, ForeignKey(### how to declare > > this ###)), > > Column('msg',String)) > > > package_repo_table = Table('package_repo', metadata, > > > Column('package_id',Integer,ForeignKey('package.id'),primary_key=True), > > Column('repo_id',Integer,ForeignKey('repo.id'), primary_key=True), > > Column('status',String,default='builds')) > > > mapper(Package, package_table, properties={ > > 'repos':relationship(PackRepo) > > > }) > > > mapper(PackRepo, pack_repo_table, properties={ > > 'repo':relationship(Repo), > > 'comments': relationship(Comment) > > > }) > > > mapper(Comment,comment_table) > > > mapper(Repo, repo_table) -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.
