sql first refactor

db/views/R__vw_asset_ev_charger_modbus_poll.sql

@@ -0,0 +1,17 @@
+drop view if exists ems.vw_asset_ev_charger_modbus_poll;
+
+create view ems.vw_asset_ev_charger_modbus_poll as
+select
+  ec.site_id,
+  ec.id as charger_id,
+  ec.code,
+  se.host,
+  se.port,
+  se.unit_id
+from ems.asset_ev_charger ec
+join ems.site_endpoint se on se.id = ec.endpoint_id
+where se.enabled = true
+  and se.endpoint_type = 'modbus_tcp';
+
+comment on view ems.vw_asset_ev_charger_modbus_poll is
+  'Nabíječky EV s Modbus TCP pro telemetry_collector.';