remove warn on execute update

Author: niebayes

go/main.go

@@ -162,17 +162,14 @@ func main() {
         INSERT INTO go.demo (ts, sid, value, flag) VALUES
             ('2024-09-03T10:00:00+08:00', 1, 4.5, 0),
             ('2024-09-03T10:05:00+08:00', 2, 11.6, 1);`
-	_, err = client.ExecuteUpdate(sql)
+	affectedRows, err := client.ExecuteUpdate(sql)
 	if err != nil {
 		fmt.Println("Failed to insert data: ", err)
 		return
 	}
-	// It's expected that the affected rows is 2.
-	// However, the Go implementation of Arrow Flight SQL client might have some flaws and the affected rows is always 0.
-	//
 	// The output should be:
 	// Affected rows: 2
-	// fmt.Println("Affected rows: ", affectedRows)
+	fmt.Println("Affected rows: ", affectedRows)
 
 	// Checks that the data are inserted successfully.
 	sql = "SELECT * FROM go.demo where ts >= '2024-09-03T10:00:00+08:00'"

python/main.py

@@ -114,13 +114,10 @@ def main():
             ('2024-09-03T10:00:00+08:00', 1, 4.5, 0),
             ('2024-09-03T10:05:00+08:00', 2, 11.6, 1);
         """
-    #! It's expected that the affected rows is 2.
-    #! However, the flightsql-dbapi library seems does not implement the `execute_update` correctly
-    #! and the returned affected rows is always 0.
     affected_rows = client.execute_update(sql)
     # The output should be:
     # Affected rows: 2
-    # print("Affected rows: {}".format(affected_rows))
+    print("Affected rows: {}".format(affected_rows))
 
     # Checks that the data are inserted successfully.
     sql = "SELECT * FROM python.demo where ts >= '2024-09-03T10:00:00+08:00'"