grafana query

Schema/grafana-throughput-query.sql

@@ -0,0 +1,19 @@
+select 
+
+  UNIX_TIMESTAMP(g1.ts) as time_sec,
+
+  g1.description as metric,
+
+  non_negative_value(
+
+  ((g1.value - (select g2.value from grafana_v g2 where g2.ts < g1.ts and g2.description = metric order by ts desc limit 1)) / (UNIX_TIMESTAMP(g1.ts) - UNIX_TIMESTAMP((select g3.ts from grafana_v g3 where g3.ts < g1.ts and g3.description = metric order by ts desc limit 1)))),
+
+  ((4294967296 + g1.value - (select g2.value from grafana_v g2 where g2.ts < g1.ts and g2.description = metric order by ts desc limit 1)) / (UNIX_TIMESTAMP(g1.ts) - UNIX_TIMESTAMP((select g3.ts from grafana_v g3 where g3.ts < g1.ts and g3.description = metric order by ts desc limit 1))))
+
+  ) as value
+
+from grafana_v g1
+
+where g1.description = 'VDSL In-gateway'
+
+order by g1.ts asc;

Schema/view.sql

@@ -9,7 +9,8 @@ create or replace view grafana_v as
          collecteddata_t da
     where de.id = ddi.device and
           di.id = ddi.dataitem and
-          da.devicedataitem = ddi.id;
+          da.devicedataitem = ddi.id and
+          di.multiplicator != 0;
 
 
 create or replace view grafana_plain_v as