required=True

Andrea Fae'

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Dec 28, 2016, 7:24:57 AM12/28/16

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Why if I use this option in Field table database but when I insert and I leave not typed this field the system accepted it?

Leonel Câmara

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Dec 28, 2016, 9:55:50 AM12/28/16

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Probably you are sending it an empty string so there is a value there.

Anthony

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Dec 28, 2016, 11:14:01 AM12/28/16

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On Wednesday, December 28, 2016 at 7:24:57 AM UTC-5, Andrea Fae' wrote:

Why if I use this option in Field table database but when I insert and I leave not typed this field the system accepted it?

If you are making insertions via a form, you are better off using a validator:

Field('myfield', requires=IS_NOT_EMPTY())

By default, the above will disallow empty strings (which is what you get if you simply leave the form field blank). Validators are the proper approach for validating form input because they do not result in exceptions but instead display user-friendly error messages on the page. If you set required=True and fail to submit a value, you will get an exception and an error ticket, with no feedback to the user.

Anthony

Paolo Caruccio

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Dec 28, 2016, 5:24:33 PM12/28/16

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In addition to the Anthony's answer, if you want also experiment simple native client side validation for web form, you could customize the field widget

Field('myfield', 'string', requires=IS_NOT_EMPTY(), widget=lambda f,v:SQLFORM.widgets.string.widget(f,v,_required=True))

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