def all(cls):
indexes = Env.config().get_schema().get(cls.__column_family(), 'indexes')
print cls.__column_family()
print Env.config().get_schema().get("Post")
if "__global__" in indexes:
return cls.by_index("__global__", "__global__")
raise IndexNotDefined("Global (__global__) index is not defined")
def __initialize_columns_from_schema(self):
schema = Env.config().get_schema(self.__class__.__column_family(), "fields")
for field in schema:
if 'default' in schema[field]:
self.__columns[field] = schema[field]['default']
else:
self.__columns[field] = ""
def __column_family(cls):
if not cls.___column_family:
column_family = Env.config().get_schema(cls.__name__, 'column_family')
if not column_family:
column_family = cls.__name__
cls.___column_family = column_family
return cls.___column_family
def after_delete(self):
indexes = Env.config().get_schema().get(self.__class__.__column_family(), 'indexes')
db = Env.db_connection()
for index in indexes:
if index == "__global__":
db.remove_from_index(indexes[index]['name'], index, self.pk())
else:
db.remove_from_index(indexes[index]['name'], self[index], self.pk())
pass
def after_create(self):
indexes = Env.config().get_schema().get(self.__class__.__column_family(), 'indexes')
db = Env.db_connection()
for index in indexes:
if index == "__global__":
db.add_to_index(indexes[index]['name'], index, self.pk(), indexes[index]['comparator'])
else:
db.add_to_index(indexes[index]['name'], self[index], self.pk(), indexes[index]['comparator'])
pass
def by_index(cls, column, value):
indexes = Env.config().get_schema().get(cls.__column_family(), 'indexes')
db = Env.db_connection()
if column in indexes:
index = indexes[column]
results = []
rows = db.get_by_index(cls.__column_family(), index['name'], value, bool(index['reversed']))
for row_key in rows:
results.append(cls(rows[row_key], False, row_key))
return results
raise IndexNotDefined("Index for %s is not defined" % column)
pass
def pk(self):
if not self.__pk:
comparator = Env.config().get_schema(self.__class__.__column_family(), "key_type")
self.__pk = getattr(Env.db_connection(), "generate_%s_pk" % comparator.lower())()
return self.__pk
