feat(writers): add sortConstraints function to sort constraints by sequence and name

pkg/writers/bun/template_data.go

@@ -216,6 +216,21 @@ func resolveFieldNameCollision(fieldName string) string {
 	return fieldName
 }
 
+// sortConstraints sorts constraints by sequence, then by name
+func sortConstraints(constraints map[string]*models.Constraint) []*models.Constraint {
+	result := make([]*models.Constraint, 0, len(constraints))
+	for _, c := range constraints {
+		result = append(result, c)
+	}
+	sort.Slice(result, func(i, j int) bool {
+		if result[i].Sequence > 0 && result[j].Sequence > 0 {
+			return result[i].Sequence < result[j].Sequence
+		}
+		return result[i].Name < result[j].Name
+	})
+	return result
+}
+
 // sortColumns sorts columns by sequence, then by name
 func sortColumns(columns map[string]*models.Column) []*models.Column {
 	result := make([]*models.Column, 0, len(columns))

pkg/writers/bun/writer.go

@@ -242,7 +242,7 @@ func (w *Writer) addRelationshipFields(modelData *ModelData, table *models.Table
 	usedFieldNames := make(map[string]int)
 
 	// For each foreign key in this table, add a belongs-to/has-one relationship
-	for _, constraint := range table.Constraints {
+	for _, constraint := range sortConstraints(table.Constraints) {
 		if constraint.Type != models.ForeignKeyConstraint {
 			continue
 		}
@@ -275,7 +275,7 @@ func (w *Writer) addRelationshipFields(modelData *ModelData, table *models.Table
 				continue // Skip self
 			}
 
-			for _, constraint := range otherTable.Constraints {
+			for _, constraint := range sortConstraints(otherTable.Constraints) {
 				if constraint.Type != models.ForeignKeyConstraint {
 					continue
 				}