Package web2py :: Package gluon :: Module dal :: Class Set
[hide private]
[frames] | no frames]

Class Set

source code

object --+
         |
        Set


a Set represents a set of records in the database,
the records are identified by the query=Query(...) object.
normally the Set is generated by DAL.__call__(Query(...))

given a set, for example
   set = db(db.users.name=='Max')
you can:
   set.update(db.users.name='Massimo')
   set.delete() # all elements in the set
   set.select(orderby=db.users.id, groupby=db.users.name, limitby=(0,10))
and take subsets:
   subset = set(db.users.id<5)



Instance Methods [hide private]
 
__init__(self, db, query)
x.__init__(...) initializes x; see x.__class__.__doc__ for signature
source code
 
__call__(self, query) source code
 
_count(self, distinct=1) source code
 
_select(self, *fields, **attributes) source code
 
_delete(self) source code
 
_update(self, **update_fields) source code
 
isempty(self) source code
 
count(self, distinct=1) source code
 
select(self, *fields, **attributes) source code
 
delete(self) source code
 
update(self, **update_fields) source code
 
validate_and_update(self, **update_fields) source code
 
delete_uploaded_files(self, upload_fields=1) source code

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __str__

Properties [hide private]

Inherited from object: __class__

Method Details [hide private]

__init__(self, db, query)
(Constructor)

source code 
x.__init__(...) initializes x; see x.__class__.__doc__ for signature
Overrides: object.__init__
(inherited documentation)