Fixes for cases when asset/device deleted but has entity view assigned

application/src/main/data/upgrade/2.1.1/schema_update.cql

@@ -17,9 +17,10 @@
 DROP MATERIALIZED VIEW IF EXISTS thingsboard.entity_view_by_tenant_and_name;
 DROP MATERIALIZED VIEW IF EXISTS thingsboard.entity_view_by_tenant_and_search_text;
 DROP MATERIALIZED VIEW IF EXISTS thingsboard.entity_view_by_tenant_and_customer;
+DROP MATERIALIZED VIEW IF EXISTS thingsboard.entity_view_by_tenant_and_entity_id;
 
 DROP TABLE IF EXISTS thingsboard.entity_views;
-
+ControllerSqlTestSuite
 CREATE TABLE IF NOT EXISTS thingsboard.entity_views (
     id timeuuid,
     entity_id timeuuid,

dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java

@@ -115,9 +115,9 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
             throw new IncorrectParameterException("Unable to delete non-existent customer.");
         }
         dashboardService.unassignCustomerDashboards(customerId);
+        entityViewService.unassignCustomerEntityViews(customer.getTenantId(), customerId);
         assetService.unassignCustomerAssets(customer.getTenantId(), customerId);
         deviceService.unassignCustomerDevices(customer.getTenantId(), customerId);
-        entityViewService.unassignCustomerEntityViews(customer.getTenantId(), customerId);
         userService.deleteCustomerUsers(customer.getTenantId(), customerId);
         deleteEntityRelations(customerId);
         customerDao.removeById(customerId.getId());

dao/src/main/java/org/thingsboard/server/dao/device/DeviceServiceImpl.java

@@ -155,8 +155,8 @@ public class DeviceServiceImpl extends AbstractEntityService implements DeviceSe
         Device device = deviceDao.findById(deviceId.getId());
         try {
             List<EntityView> entityViews = entityViewService.findEntityViewsByTenantIdAndEntityIdAsync(device.getTenantId(), deviceId).get();
-        if (entityViews != null && !entityViews.isEmpty()) {
-            throw new DataValidationException("Can't delete device that is assigned to entity views!");
+            if (entityViews != null && !entityViews.isEmpty()) {
+                throw new DataValidationException("Can't delete device that is assigned to entity views!");
             }
         } catch (Exception e) {
             log.error("Exception while finding entity views for deviceId [{}]", deviceId, e);

dao/src/main/java/org/thingsboard/server/dao/tenant/TenantServiceImpl.java

@@ -105,9 +105,9 @@ public class TenantServiceImpl extends AbstractEntityService implements TenantSe
         customerService.deleteCustomersByTenantId(tenantId);
         widgetsBundleService.deleteWidgetsBundlesByTenantId(tenantId);
         dashboardService.deleteDashboardsByTenantId(tenantId);
+        entityViewService.deleteEntityViewsByTenantId(tenantId);
         assetService.deleteAssetsByTenantId(tenantId);
         deviceService.deleteDevicesByTenantId(tenantId);
-        entityViewService.deleteEntityViewsByTenantId(tenantId);
         userService.deleteTenantAdmins(tenantId);
         ruleChainService.deleteRuleChainsByTenantId(tenantId);
         tenantDao.removeById(tenantId.getId());