Update

src/zdemo_abap_table_function.ddls.asddls

@@ -0,0 +1,13 @@
+@AccessControl.authorizationCheck: #NOT_REQUIRED
+define table function ZDEMO_ABAP_TABLE_FUNCTION
+  returns
+  {
+    client          : abap.clnt;
+    carrier_id      : abap.char(3);
+    carrier_name    : abap.char(20);
+    connections     : abap.string;
+    avg_flight_time : abap.dec( 10, 2 );
+    avg_distance    : abap.dec( 10, 2 );
+  }
+  implemented by method
+    zcl_demo_abap_amdp=>flight_analysis;