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Cannot reference multiple tables #110
Description
Description
This doesn't compile
@Table struct A {
// ✅
var single: B.ID
// ❌
var array: [B.ID]
// ❌
var dictionary: [B.ID: Double]
}
@Table struct B: Identifiable {
let id: UUID
}
Checklist
- I have determined whether this bug is also reproducible in a vanilla SwiftUI project.
- I have determined whether this bug is also reproducible in a vanilla GRDB project.
- If possible, I've reproduced the issue using the
mainbranch of this package. - This issue hasn't been addressed in an existing GitHub issue or discussion.
Expected behavior
The code should compile
Actual behavior
Reproducing project
No response
SharingGRDB version information
No response
Sharing version information
No response
GRDB version information
No response
Destination operating system
No response
Xcode version information
Version 16.2 (16C5032a)
Activity
mbrandonw commentedon Jul 28, 2025
Hi @clive819, the
arrayanddictionaryfields of your type are not types that can be natively stored in SQLite. You must perform an extra step to describe how to transform these types into something that SQLite does understand. This is documented here.Since this isn't an issue with the library I am going to convert it to a discussion. Please feel free to continue the conversation over there!