web2py.gluon.validators.IS_NOT_IN_DB

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

# Class IS_NOT_IN_DB

source code

    object --+
             |
     Validator --+
                 |
                IS_NOT_IN_DB

example:

       INPUT(_type='text', _name='name', requires=IS_NOT_IN_DB(db, db.table))

makes the field unique

Instance Methods | [hide private]
__init__(self, dbset, field, error_message=`'``value already in database or empty``'`, allowed_override=`[``]`, ignore_common_filters=True) x.__init__(...) initializes x; see x.__class__.__doc__ for signature | source code
set_self_id(self, id) | 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, error_message=`'``value already in database or empty``'`, allowed_override=`[``]`, ignore_common_filters=True) (Constructor) | source code
x.__init__(...) initializes x; see x.__class__.__doc__ for signature Overrides: object.__init__ (inherited documentation)