fix repeatable migrations

db/views/R__052_vw_asset_inverter_modbus_poll.sql

@@ -0,0 +1,18 @@
+drop view if exists ems.vw_asset_inverter_modbus_poll;
+
+create view ems.vw_asset_inverter_modbus_poll as
+select
+  ai.site_id,
+  ai.id as inverter_id,
+  ai.code,
+  se.host,
+  se.port,
+  se.unit_id
+from ems.asset_inverter ai
+join ems.site_endpoint se on se.id = ai.endpoint_id
+where ai.active = true
+  and se.enabled = true
+  and se.endpoint_type = 'modbus_tcp';
+
+comment on view ems.vw_asset_inverter_modbus_poll is
+  'Aktivní střídače s Modbus TCP endpointem pro telemetry_collector.';