On Thursday, December 22, 2016 at 5:13:17 AM UTC+1, antonel...@yottacle.com
wrote:
>
> Hi,
> in my model I have users who have membership to more groups.
> I am trying to perform a query of users who DO NOT belong to a group;
> something along these lines:
>
> query = db ((db.auth_user != auth.user.id) & (~(auth.has_membership
> ("admin", db.auth_user.id))).select (db.auth_user.first_name,
> db.auth_user.last_name)
>
> The above query does not work, i.e. it retrieves all records except the
> currently logged in user (which is OK) but ignores the "has_membership"
> condition. It gives no errors, though...
>
> I know I can perform the select with only the first condition and then
> loop over the result to remove the users that have membership to group
> "admin", but I wonder if I can have the result in a single query.
>
> Thanks!
>
== EDIT ==
I have found a way to get what I need:
users = db (
(db.auth_user.id != userid)
).select (db.auth_user.id,
db.auth_user.first_name,
db.auth_user.last_name,
db.auth_user.email,
distinct = True).exclude (lambda row: not
auth.has_membership ("admin", row.id))
Not sure how efficient it is but it works.
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