http://web2py.com/books/default/chapter/29/06?search=self+reference#Self-Reference-and-aliases
Il giorno mercoledì 15 maggio 2013 14:31:26 UTC+2, Domagoj Kovač ha scritto:
>
> Hi,
>
> i have a table of locations:
>
> db.define_table('entry_location',
> Field('name', 'string',
> required=True,
> requires=IS_NOT_EMPTY(),
> label=LABEL(T("Naziv"), _for="entry_location_name")),
> Field('parent_id', 'reference entry_location',
> requires=IS_NULL_OR(IS_IN_DB(db, 'entry_location.id',
> '%(name)s', zero=T("Molimo odaberite roditeljsku lokaciju"))),
> label=LABEL(T("Roditelj"), _for=
> "entry_location_parent_id")),
> Field('gps_x', 'double',
> label=LABEL(T("GPS X koordinata"), _for=
> "entry_location_address_2")),
> Field('gps_y', 'double',
> label=LABEL(T("GPS Y koordinata"), _for=
> "entry_location_address_3")),
> Field('zoom', 'integer'),
> )
>
> Is there any way that i could select all child's of certain location?
>
>
>
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