Automatic migration of the events during upgrade

application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java

@@ -224,6 +224,7 @@ public class ThingsboardInstallService {
                         case "3.4.0":
                             log.info("Upgrading ThingsBoard from version 3.4.0 to 3.4.1 ...");
                             databaseEntitiesUpgradeService.upgradeDatabase("3.4.0");
+                            dataUpdateService.updateData("3.4.0");
                             log.info("Updating system data...");
                             systemDataLoaderService.updateSystemWidgets();
                             break;

application/src/main/java/org/thingsboard/server/service/install/SqlDatabaseUpgradeService.java

@@ -25,6 +25,7 @@ import org.springframework.context.annotation.Lazy;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
 import org.thingsboard.server.common.data.EntitySubtype;
+import org.thingsboard.server.common.data.StringUtils;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.TenantProfile;
 import org.thingsboard.server.common.data.id.QueueId;
@@ -678,5 +679,4 @@ public class SqlDatabaseUpgradeService implements DatabaseEntitiesUpgradeService
     }
 
 
-
 }

application/src/main/java/org/thingsboard/server/service/install/update/DefaultDataUpdateService.java

@@ -58,6 +58,7 @@ import org.thingsboard.server.dao.DaoUtil;
 import org.thingsboard.server.dao.alarm.AlarmDao;
 import org.thingsboard.server.dao.entity.EntityService;
 import org.thingsboard.server.dao.entityview.EntityViewService;
+import org.thingsboard.server.dao.event.EventService;
 import org.thingsboard.server.dao.model.sql.DeviceProfileEntity;
 import org.thingsboard.server.dao.queue.QueueService;
 import org.thingsboard.server.dao.relation.RelationService;
@@ -128,6 +129,9 @@ public class DefaultDataUpdateService implements DataUpdateService {
     @Autowired
     private SystemDataLoaderService systemDataLoaderService;
 
+    @Autowired
+    private EventService eventService;
+
     @Override
     public void updateData(String fromVersion) throws Exception {
         switch (fromVersion) {
@@ -159,6 +163,11 @@ public class DefaultDataUpdateService implements DataUpdateService {
                 tenantsProfileQueueConfigurationUpdater.updateEntities();
                 rateLimitsUpdater.updateEntities();
                 break;
+            case "3.4.0":
+                if (System.getProperty("TB_EVENTS_MIGRATION", "false").equalsIgnoreCase("true")) {
+                    log.info("Updating data from version 3.3.4 to 3.4.0 ...");
+                    eventService.migrateEvents();
+                }
             default:
                 throw new RuntimeException("Unable to update data, unsupported fromVersion: " + fromVersion);
         }

common/dao-api/src/main/java/org/thingsboard/server/dao/event/EventService.java

@@ -43,4 +43,5 @@ public interface EventService {
 
     void cleanupEvents(long regularEventExpTs, long debugEventExpTs, boolean cleanupDb);
 
+    void migrateEvents();
 }

dao/src/main/java/org/thingsboard/server/dao/event/BaseEventService.java

@@ -45,6 +45,11 @@ import java.util.stream.Collectors;
 @Slf4j
 public class BaseEventService implements EventService {
 
+    @Value("${sql.ttl.events.events_ttl:0}")
+    private long ttlInSec;
+    @Value("${sql.ttl.events.debug_events_ttl:604800}")
+    private long debugTtlInSec;
+
     @Value("${event.debug.max-symbols:4096}")
     private int maxDebugEventSymbols;
 
@@ -129,6 +134,11 @@ public class BaseEventService implements EventService {
         eventDao.cleanupEvents(regularEventExpTs, debugEventExpTs, cleanupDb);
     }
 
+    @Override
+    public void migrateEvents() {
+        eventDao.migrateEvents(ttlInSec > 0 ? System.currentTimeMillis() - ttlInSec : 0, debugTtlInSec > 0 ? System.currentTimeMillis() - debugTtlInSec : 0);
+    }
+
     private PageData<EventInfo> convert(EntityType entityType, PageData<? extends Event> pd) {
         return new PageData<>(pd.getData() == null ? null :
                 pd.getData().stream().map(e -> e.toInfo(entityType)).collect(Collectors.toList())

dao/src/main/java/org/thingsboard/server/dao/event/EventDao.java

@@ -91,4 +91,6 @@ public interface EventDao {
      * @param endTime
      */
     void removeEvents(UUID tenantId, UUID entityId, EventFilter eventFilter, Long startTime, Long endTime);
+
+    void migrateEvents(long regularEventTs, long debugEventTs);
 }

dao/src/main/java/org/thingsboard/server/dao/sql/event/EventCleanupRepository.java

@@ -19,4 +19,5 @@ public interface EventCleanupRepository {
 
     void cleanupEvents(long eventExpTime, boolean debug);
 
+    void migrateEvents(long regularEventTs, long debugEventTs);
 }

dao/src/main/java/org/thingsboard/server/dao/sql/event/EventPartitionConfiguration.java

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.dao.sql.event;
 
+import lombok.Getter;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.thingsboard.server.common.data.event.EventType;
@@ -25,8 +26,10 @@ import java.util.concurrent.TimeUnit;
 @Component
 public class EventPartitionConfiguration {
 
+    @Getter
     @Value("${sql.events.partition_size:168}")
     private int regularPartitionSizeInHours;
+    @Getter
     @Value("${sql.events.debug_partition_size:1}")
     private int debugPartitionSizeInHours;
 

dao/src/main/java/org/thingsboard/server/dao/sql/event/JpaBaseEventDao.java

@@ -261,6 +261,10 @@ public class JpaBaseEventDao implements EventDao {
         }
     }
 
+    @Override
+    public void migrateEvents(long regularEventTs, long debugEventTs) {
+        eventCleanupRepository.migrateEvents(regularEventTs, debugEventTs);
+    }
 
     private PageData<? extends Event> findEventByFilter(UUID tenantId, UUID entityId, RuleChainDebugEventFilter eventFilter, TimePageLink pageLink) {
         return DaoUtil.toPageData(

dao/src/main/java/org/thingsboard/server/dao/sql/event/SqlEventCleanupRepository.java

@@ -50,6 +50,23 @@ public class SqlEventCleanupRepository extends JpaAbstractDaoListeningExecutorSe
         }
     }
 
+    @Override
+    public void migrateEvents(long regularEventTs, long debugEventTs) {
+        callMigrateFunction("migrate_regular_events", regularEventTs, partitionConfiguration.getRegularPartitionSizeInHours());
+        callMigrateFunction("migrate_debug_events", debugEventTs, partitionConfiguration.getDebugPartitionSizeInHours());
+    }
+
+    private void callMigrateFunction(String functionName, long startTs, int partitionSizeInHours) {
+        try (Connection connection = dataSource.getConnection();
+             PreparedStatement stmt = connection.prepareStatement("call " + functionName + "(?,?)")) {
+            stmt.setLong(1, startTs);
+            stmt.setInt(2, partitionSizeInHours);
+            stmt.execute();
+        } catch (SQLException e) {
+            log.error("[{}] SQLException occurred during execution of {} with parameters {} and {}", functionName, startTs, partitionSizeInHours, e);
+        }
+    }
+
     private void cleanupEvents(EventType eventType, long eventExpTime) {
         var partitionDuration = partitionConfiguration.getPartitionSizeInMs(eventType);
         List<Long> partitions = fetchPartitions(eventType);