Package web2py :: Package gluon :: Module validators :: Class IS_IN_DB |
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[frames] | no frames]

# Class IS_IN_DB

source code

    object --+
             |
     Validator --+
                 |
                IS_IN_DB

example:

       INPUT(_type='text', _name='name',
             requires=IS_IN_DB(db, db.mytable.myfield, zero=''))

used for reference fields, rendered as a dropbox

Instance Methods | [hide private]
__init__(self, dbset, field, label=1, error_message=`'``value not in database``'`, orderby=1, groupby=1, cache=1, multiple=True, zero=`'````'`, sort=True, _and=1) x.__init__(...) initializes x; see x.__class__.__doc__ for signature | source code
set_self_id(self, id) | source code
build_set(self) | source code
options(self, zero=True) | source code
__call__(self, value) | source code
Inherited from `Validator`: `formatter` 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, dbset, field, label=1, error_message=`'``value not in database``'`, orderby=1, groupby=1, cache=1, multiple=True, zero=`'````'`, sort=True, _and=1) (Constructor) | source code
x.__init__(...) initializes x; see x.__class__.__doc__ for signature Overrides: object.__init__ (inherited documentation)