add line number to sorting to make it deterministic (#3138)

cal-itp · Nov 28, 2023 · 2c84433 · 2c84433
1 parent ddc03da
commit 2c84433
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/warehouse/models/intermediate/payments/int_payments__refunds_deduped.sql b/warehouse/models/intermediate/payments/int_payments__refunds_deduped.sql
@@ -162,7 +162,8 @@ int_payments__refunds AS (
     FROM refunds_union
     -- this dedupes on coalesced_id (which is comprised of retrieval_reference_number or aggregation_id if it is null) and refund_amount
     -- because we observe some duplicate refunds by retrieval_reference_number/aggregation_id and refund_amount
-    QUALIFY ROW_NUMBER() OVER (PARTITION BY coalesced_id, refund_amount ORDER BY littlepay_export_ts DESC) = 1
+    -- add line number to sorting to make this deterministic
+    QUALIFY ROW_NUMBER() OVER (PARTITION BY coalesced_id, refund_amount ORDER BY littlepay_export_ts DESC, _line_number DESC) = 1
 
 )