def index():
    if 'file' in request.var: db.records.url.requires=IS_NOT_EMPTY()
    else: db.records.file.requires=IS_NOT_EMPTY()
    form = SQLFORM(db.records)
    ....

On Sunday, 21 July 2013 13:11:40 UTC-5, K. Antonis Tzorvas wrote:
>
> i have a table:
>
> db.define_table('records', Field('file', 'upload'), Field('url', 'string'))
>
> and i want either "file" or "url" to be filled, cases that both are empty 
> or filled should not pass.
>
> any idea on how to implement this one?
>

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