Docs: Add WHEN NOT MATCHED BY SOURCE to Spark doc (#11636)

apache · Nov 25, 2024 · f7ff0dc · f7ff0dc
1 parent cdd944e
commit f7ff0dc
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/docs/docs/spark-writes.md b/docs/docs/spark-writes.md
@@ -95,6 +95,11 @@ WHEN NOT MATCHED AND s.event_time > still_valid_threshold THEN INSERT (id, count
 
 Only one record in the source data can update any given row of the target table, or else an error will be thrown.
 
+Spark 3.5 added support for `WHEN NOT MATCHED BY SOURCE ... THEN ...` to update or delete rows that are not present in the source data:
+
+```sql
+WHEN NOT MATCHED BY SOURCE THEN UPDATE SET status = 'invalid'
+```
 
 ### `INSERT OVERWRITE`