Method clear_samples

mserver/MasterService/src/repository.rs:457–463

(&self, server_id: &str)

            .fetch_optional(&mut *transaction)
            .await?
            .and_then(|row| row.try_get::<String, _>(0).ok());
        let Some(old_server_id) = owner else {
            transaction.rollback().await?;
            return Ok(TokenRelocation::NotFound);
        };
        if old_server_id == new_server_id {
            transaction.rollback().await?;
            return Ok(TokenRelocation::Unchanged);
        }