According to the documentation, you can't. Have you tried using a
'represent' on the 'materials' table to show the matnr instead of the id?
On Wednesday, April 30, 2014 7:47:30 AM UTC-7, Beat Kohler wrote:
>
> I am on the way to develop a small purchase requisition application.
> The main idea is: the user select from a list of materials a material
> number and enter the quantity.
> Finally he will confirm his requisition and send it to a external system.
> To create the purchase requisitions I use a simple smartgrid.
> My problem is now that in the requisition table instead of the material
> number only the id of the related table is stored.
> Here my definitions:
> *db.py*
> *- Materials*
> db.define_table("MATERIALS",
> Field("MATNR", "string", length=18, notnull=True,
> default=None),........ and more
> *- Purchase requistions*
> db.define_table("BANFTEMP",
> Field("Pippo", db.auth_user, default=auth.user_id, writable=False,
> update=auth.user_id),
> * Field("MATNR_MATERIALS", db.MATERIALS, default=db.MATERIALS.MATNR,
> update=db.MATERIALS.MATNR)*, ..... and more
> ......
> db.BANFTEMP.MATNR_MATERIALS.requires=IS_IN_DB(db, db.MATERIALS.id,
> '%(MATNR)s')
>
> *default.py*
> grid = SQLFORM.grid(db.BANFTEMP)
>
> How I can convince WEB2PY to store the MATNR and not the id in
> BANFTEMP.MATNR_MATERIALS ??
> Any help is welcome an a free beer offered (if you stay in Switzerland :-)
> )
> Beat
>
--
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