use outer join

cowprotocol · Feb 20, 2023 · ef5df23 · ef5df23
1 parent bdebde5
commit ef5df23
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/sql/orderbook/batch_rewards.sql b/src/sql/orderbook/batch_rewards.sql
@@ -34,9 +34,10 @@ reward_data AS (
      -- participation
      participants
 FROM hashed_observations ho
-JOIN settlement_scores ss
+-- outer joins made in order to detect missing data.
+LEFT OUTER JOIN settlement_scores ss
   ON ho.auction_id = ss.auction_id
-JOIN auction_participants ap
+LEFT OUTER JOIN auction_participants ap
   ON ho.auction_id = ap.auction_id
 )