Added index on DeviceEvent table to optimize query for receivedOn DESC

Signed-off-by: coduz <alberto.codutti@eurotech.com>

service/device/registry/internal/src/main/resources/liquibase/1.3.0/changelog-device-1.3.0.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (c) 2020 Eurotech and/or its affiliates and others
+
+    All rights reserved. This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License v1.0
+    which accompanies this distribution, and is available at
+    http://www.eclipse.org/legal/epl-v10.html
+
+    Contributors:
+        Eurotech - initial API and implementation
+ -->
+<databaseChangeLog
+        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+                      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd"
+        logicalFilePath="KapuaDB/changelog-device-1.3.0.xml">
+
+    <include relativeToChangelogFile="true" file="./device_event-index_received_on.xml"/>
+
+</databaseChangeLog>

service/device/registry/internal/src/main/resources/liquibase/1.3.0/device_event-index_received_on.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (c) 2020 Eurotech and/or its affiliates and others
+
+    All rights reserved. This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License v1.0
+    which accompanies this distribution, and is available at
+    http://www.eclipse.org/legal/epl-v10.html
+
+    Contributors:
+        Eurotech - initial API and implementation
+ -->
+<databaseChangeLog
+        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+                      http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd"
+        logicalFilePath="KapuaDB/changelog-device-1.3.0.xml">
+
+    <changeSet id="changelog-device_event-1.3.0_index_received_on" author="eurotech">
+        <createIndex tableName="dvc_device_event" indexName="idx_device_event_scope_device_received_on">
+            <column name="scope_id"/>
+            <column name="device_id"/>
+            <column name="received_on"/>
+        </createIndex>
+    </changeSet>
+
+</databaseChangeLog>

service/device/registry/internal/src/main/resources/liquibase/changelog-device-master.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-    Copyright (c) 2017 Eurotech and/or its affiliates and others
+    Copyright (c) 2017, 2020 Eurotech and/or its affiliates and others
 
     All rights reserved. This program and the accompanying materials
     are made available under the terms of the Eclipse Public License v1.0
@@ -21,5 +21,6 @@
     <include relativeToChangelogFile="true" file="./1.0.0/changelog-device-1.0.0.xml"/>
     <include relativeToChangelogFile="true" file="./1.1.0/changelog-device-1.1.0.xml"/>
     <include relativeToChangelogFile="true" file="./1.2.0/changelog-device-1.2.0.xml"/>
+    <include relativeToChangelogFile="true" file="./1.3.0/changelog-device-1.3.0.xml"/>
 
 </databaseChangeLog>