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Accepted
How to create unique id in flutter to add in the database
You can use the package named as a UUID (https://pub.dev/packages/uuid).
import 'package:uuid/uuid.dart';
var uuid = Uuid();
You can create like below
// Generate a v1 (time-based) id
uuid.v1(); // -...
1
vote
Accepted
Enforce uniqueness on combination of columns + aggregate function
Unfortunately, @SQLpro's answer isn't going to work, because STRING_AGG is not supported in Indexed Views.
You can instead use a trigger to enforce this, by storing the aggregated TypeId back into ...
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