upgrade scripts fix

+--
+-- Copyright © 2016-2019 The Thingsboard Authors
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+
+DROP INDEX IF EXISTS idx_alarm_originator_alarm_type;
+
+CREATE INDEX IF NOT EXISTS idx_alarm_originator_alarm_type ON alarm(originator_id, type, start_ts DESC);
+
+CREATE INDEX IF NOT EXISTS idx_device_customer_id ON device(tenant_id, customer_id);
+
+CREATE INDEX IF NOT EXISTS idx_device_customer_id_and_type ON device(tenant_id, customer_id, type);
+
+CREATE INDEX IF NOT EXISTS idx_device_type ON device(tenant_id, type);
+
+CREATE INDEX IF NOT EXISTS idx_asset_customer_id ON asset(tenant_id, customer_id);
+
+CREATE INDEX IF NOT EXISTS idx_asset_customer_id_and_type ON asset(tenant_id, customer_id, type);
+
+CREATE INDEX IF NOT EXISTS idx_asset_type ON asset(tenant_id, type);

@@ -182,6 +182,17 @@ public class SqlDatabaseUpgradeService implements DatabaseUpgradeService {
                     try {
                     try {
                         conn.createStatement().execute("ALTER TABLE asset ADD COLUMN label varchar(255)"); //NOSONAR, ignoring because method used to execute thingsboard database upgrade script
                         conn.createStatement().execute("ALTER TABLE asset ADD COLUMN label varchar(255)"); //NOSONAR, ignoring because method used to execute thingsboard database upgrade script
                     } catch (Exception e) {}
                     } catch (Exception e) {}
+                    schemaUpdateFile = Paths.get(installScripts.getDataDir(), "upgrade", "2.4.2", SCHEMA_UPDATE_SQL);
+                    loadSql(schemaUpdateFile, conn);
+                    try {
+                        conn.createStatement().execute("ALTER TABLE device ADD CONSTRAINT device_name_unq_key UNIQUE (tenant_id, name)"); //NOSONAR, ignoring because method used to execute thingsboard database upgrade script
+                    } catch (Exception e) {}
+                    try {
+                        conn.createStatement().execute("ALTER TABLE device_credentials ADD CONSTRAINT device_credentials_id_unq_key UNIQUE (credentials_id)"); //NOSONAR, ignoring because method used to execute thingsboard database upgrade script
+                    } catch (Exception e) {}
+                    try {
+                        conn.createStatement().execute("ALTER TABLE asset ADD CONSTRAINT asset_name_unq_key UNIQUE (tenant_id, name)"); //NOSONAR, ignoring because method used to execute thingsboard database upgrade script
+                    } catch (Exception e) {}
                     log.info("Schema updated.");
                     log.info("Schema updated.");
                 }
                 }
                 break;
                 break;