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

@@ -40,7 +40,8 @@ import static com.datastax.driver.core.querybuilder.QueryBuilder.eq;
 import static com.datastax.driver.core.querybuilder.QueryBuilder.select;
 import static org.thingsboard.server.dao.model.ModelConstants.CUSTOMER_ID_PROPERTY;
 import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_ID_COLUMN;
-import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_VIEW_BY_TENANT_AND_CUSTOMER_AND_SEARCH_TEXT;
+import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_VIEW_BY_TENANT_AND_CUSTOMER_CF;
+import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_VIEW_BY_TENANT_AND_ENTITY_ID_CF;
 import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_VIEW_BY_TENANT_AND_NAME;
 import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_VIEW_BY_TENANT_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME;
 import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_VIEW_NAME_PROPERTY;
@@ -101,7 +102,7 @@ public class CassandraEntityViewDao extends CassandraAbstractSearchTextDao<Entit
         log.debug("Try to find entity views by tenantId [{}], customerId[{}] and pageLink [{}]",
                 tenantId, customerId, pageLink);
         List<EntityViewEntity> entityViewEntities = findPageWithTextSearch(
-                ENTITY_VIEW_BY_TENANT_AND_CUSTOMER_AND_SEARCH_TEXT,
+                ENTITY_VIEW_BY_TENANT_AND_CUSTOMER_CF,
                 Arrays.asList(eq(CUSTOMER_ID_PROPERTY, customerId), eq(TENANT_ID_PROPERTY, tenantId)),
                 pageLink);
         log.trace("Found find entity views [{}] by tenantId [{}], customerId [{}] and pageLink [{}]",
@@ -112,9 +113,9 @@ public class CassandraEntityViewDao extends CassandraAbstractSearchTextDao<Entit
     @Override
     public ListenableFuture<List<EntityView>> findEntityViewsByTenantIdAndEntityIdAsync(UUID tenantId, UUID entityId) {
         log.debug("Try to find entity views by tenantId [{}] and entityId [{}]", tenantId, entityId);
-        Select.Where query = select().from(getColumnFamilyName()).where();
+        Select.Where query = select().from(ENTITY_VIEW_BY_TENANT_AND_ENTITY_ID_CF).where();
         query.and(eq(TENANT_ID_PROPERTY, tenantId));
-        query.and(eq(ENTITY_ID_COLUMN, entityId));
+        query.and(eq(ENTITY_ID_COLUMN, entityId));dr
         return findListByStatementAsync(query);
     }
 }

@@ -150,7 +150,8 @@ public class ModelConstants {
     public static final String ENTITY_VIEW_TENANT_ID_PROPERTY = TENANT_ID_PROPERTY;
     public static final String ENTITY_VIEW_CUSTOMER_ID_PROPERTY = CUSTOMER_ID_PROPERTY;
     public static final String ENTITY_VIEW_NAME_PROPERTY = DEVICE_NAME_PROPERTY;
-    public static final String ENTITY_VIEW_BY_TENANT_AND_CUSTOMER_AND_SEARCH_TEXT = "entity_view_by_tenant_and_customer";
+    public static final String ENTITY_VIEW_BY_TENANT_AND_CUSTOMER_CF = "entity_view_by_tenant_and_customer";
+    public static final String ENTITY_VIEW_BY_TENANT_AND_ENTITY_ID_CF = "entity_view_by_tenant_and_entity_id";
     public static final String ENTITY_VIEW_KEYS_PROPERTY = "keys";
     public static final String ENTITY_VIEW_START_TS_PROPERTY = "start_ts";
     public static final String ENTITY_VIEW_END_TS_PROPERTY = "end_ts";

@@ -671,3 +671,14 @@ CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.entity_view_by_tenant_and_cus
       AND id IS NOT NULL
     PRIMARY KEY (tenant_id, customer_id, search_text, id, entity_id)
     WITH CLUSTERING ORDER BY (customer_id DESC, search_text ASC, id DESC);
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.entity_view_by_tenant_and_entity_id AS
+    SELECT *
+    from thingsboard.entity_views
+    WHERE tenant_id IS NOT NULL
+      AND customer_id IS NOT NULL
+      AND entity_id IS NOT NULL
+      AND search_text IS NOT NULL
+      AND id IS NOT NULL
+    PRIMARY KEY (tenant_id, entity_id, customer_id, search_text, id)
+    WITH CLUSTERING ORDER BY (entity_id DESC, customer_id DESC, search_text ASC, id DESC);
\ No newline at end of file