Extend shared schema for retailer-native ids

build_canonical_layer.py

@@ -58,7 +58,11 @@ def normalized_quantity(row):
 
 
 def auto_link_rule(observed_row):
-    if observed_row.get("is_fee") == "true":
+    if (
+        observed_row.get("is_fee") == "true"
+        or observed_row.get("is_discount_line") == "true"
+        or observed_row.get("is_coupon_line") == "true"
+    ):
         return "", "", ""
 
     if observed_row.get("representative_upc"):