Books and authors, Books and genres are linked with many-to-many
relations: there are lists of authors and genres for every book.
import os
from sqlobject import SQLObject, StringCol, UnicodeCol, IntCol, BoolCol, \
import os
from sqlobject import SQLObject, StringCol, UnicodeCol, IntCol, BoolCol, \
- ForeignKey, DateCol, connectionForURI, sqlhub, SQLObjectNotFound, dberrors
+ ForeignKey, DateCol, RelatedJoin, \
+ connectionForURI, sqlhub, SQLObjectNotFound, dberrors
from .config import ml_conf
try:
from .config import ml_conf
try:
class Author(SQLObject):
name = UnicodeCol(unique=True)
count = IntCol()
class Author(SQLObject):
name = UnicodeCol(unique=True)
count = IntCol()
+ books = RelatedJoin('Book', otherColumn='book_id')
- author = ForeignKey('Author')
- genre = ForeignKey('Genre')
+ authors = RelatedJoin('Author')
+ genres = RelatedJoin('Genre')
title = UnicodeCol()
series = UnicodeCol()
ser_no = IntCol()
title = UnicodeCol()
series = UnicodeCol()
ser_no = IntCol()
size = IntCol()
lib_id = StringCol()
deleted = BoolCol()
size = IntCol()
lib_id = StringCol()
deleted = BoolCol()
- ext = ForeignKey('Extension')
+ extension = ForeignKey('Extension')
date = DateCol()
language = ForeignKey('Language')
date = DateCol()
language = ForeignKey('Language')
name = StringCol(unique=True)
title = UnicodeCol()
count = IntCol()
name = StringCol(unique=True)
title = UnicodeCol()
count = IntCol()
+ books = RelatedJoin('Book', otherColumn='book_id')
class Language(SQLObject):
class Language(SQLObject):