Thanks that worked. I have a shift_availability table and the auth_user
table. The auth_user table contains a location. I want to clear all the
rows in the shift_availability table but by location. Below is the solution:
if form.process(formname='form').accepted:
rows = db((db.shift_availability.created_by == db.auth_user.id)
& (db.auth_user.location_id ==
auth.user.location_id)).select(db.shift_availability.id)
db(db.shift_availability.id.belongs(rows)).delete()
On Wed, Feb 22, 2017 at 5:14 PM, Dave S <snidely....@gmail.com> wrote:
> On Wednesday, February 22, 2017 at 4:03:00 PM UTC-8, Mat Miles wrote:
>>
>> I need to create a join to limit the rows to be deleted. Is it possible
>> to delete a row from one table when a query joins two tables?
>>
>
> Not sure about the full answer, but a partial answer would be to use the
> join in a SELECT ( db(...).select(), frex) and obtain the row ids, then do
> a seperate DELETE using those row ids.
>
> /dps
>
>
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