use serde::{Deserialize, Serialize}; #[derive(Debug, Clone, Serialize, Deserialize, Default)] #[serde(default)] pub struct Relation { pub id: String, pub constraint_name: String, pub source_type: String, #[serde(default)] pub source_columns: Vec, pub destination_type: String, #[serde(default)] pub destination_columns: Vec, pub prefix: Option, }