thingsboard-aplcache

diff --git a/application/src/main/data/upgrade/2.1.1/schema_update.cql b/application/src/main/data/upgrade/2.1.1/schema_update.cql
index 36ac8e4..73793c4 100644
--- a/application/src/main/data/upgrade/2.1.1/schema_update.cql
+++ b/application/src/main/data/upgrade/2.1.1/schema_update.cql
@@ -14,13 +14,6 @@
 -- limitations under the License.
 --
 
-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;
-
 CREATE TABLE IF NOT EXISTS thingsboard.entity_views (
     id timeuuid,
     entity_id timeuuid,

diff --git a/application/src/main/data/upgrade/2.1.1/schema_update.sql b/application/src/main/data/upgrade/2.1.1/schema_update.sql
index bd2c341..ecf90e0 100644
--- a/application/src/main/data/upgrade/2.1.1/schema_update.sql
+++ b/application/src/main/data/upgrade/2.1.1/schema_update.sql
@@ -14,10 +14,8 @@
 -- limitations under the License.
 --
 
-DROP TABLE IF EXISTS entity_views;
-
 CREATE TABLE IF NOT EXISTS entity_views (
-    id varchar(31) NOT NULL CONSTRAINT entity_view_pkey PRIMARY KEY,
+    id varchar(31) NOT NULL CONSTRAINT entity_views_pkey PRIMARY KEY,
     entity_id varchar(31),
     entity_type varchar(255),
     tenant_id varchar(31),

diff --git a/tools/src/main/java/org/thingsboard/client/tools/RestClient.java b/tools/src/main/java/org/thingsboard/client/tools/RestClient.java
index 4c8c0a4..14f8f9f 100644
--- a/tools/src/main/java/org/thingsboard/client/tools/RestClient.java
+++ b/tools/src/main/java/org/thingsboard/client/tools/RestClient.java
@@ -36,6 +36,7 @@ import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.relation.EntityRelation;
 import org.thingsboard.server.common.data.security.DeviceCredentials;
+import org.thingsboard.server.common.data.security.DeviceCredentialsType;
 
 import java.io.IOException;
 import java.util.Collections;
@@ -120,6 +121,21 @@ public class RestClient implements ClientHttpRequestInterceptor {
         return restTemplate.postForEntity(baseURL + "/api/device", device, Device.class).getBody();
     }
 
+    public void deleteDevice(DeviceId deviceId) {
+        restTemplate.delete(baseURL + "/api/device/" + deviceId.getId().toString());
+    }
+
+    public DeviceCredentials updateDeviceCredentials(DeviceId deviceId, String token) {
+        DeviceCredentials deviceCredentials = getCredentials(deviceId);
+        deviceCredentials.setCredentialsType(DeviceCredentialsType.ACCESS_TOKEN);
+        deviceCredentials.setCredentialsId(token);
+        return saveDeviceCredentials(deviceCredentials);
+    }
+
+    public DeviceCredentials saveDeviceCredentials(DeviceCredentials deviceCredentials) {
+        return restTemplate.postForEntity(baseURL + "/api/device/credentials", deviceCredentials, DeviceCredentials.class).getBody();
+    }
+
     public Asset createAsset(String name, String type) {
         Asset asset = new Asset();
         asset.setName(name);