events: schema_update_event fixed typo with a comment. schema-entities-idx updated. Upgrade order fixed based on review comments.

application/src/main/data/upgrade/3.2.2/schema_update_event.sql

@@ -76,7 +76,7 @@ COMMENT ON INDEX public.idx_event_ts
 
 DROP INDEX IF EXISTS public.idx_event_tenant_entity_type_entity_event_type_created_time_des;
 
-CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_event_tenant_entity_type_entity_event_type_created_time_des
+-- CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_event_tenant_entity_type_entity_event_type_created_time_des
 CREATE INDEX IF NOT EXISTS idx_event_tenant_entity_type_entity_event_type_created_time_des
     ON public.event USING btree
     (tenant_id ASC NULLS LAST, entity_type ASC NULLS LAST, entity_id ASC NULLS LAST, event_type ASC NULLS LAST, created_time DESC NULLS LAST)

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

@@ -459,10 +459,11 @@ public class SqlDatabaseUpgradeService implements DatabaseEntitiesUpgradeService
                     schemaUpdateFile = Paths.get(installScripts.getDataDir(), "upgrade", "3.2.2", "schema_update_ttl.sql");
                     loadSql(schemaUpdateFile, conn);
                     log.info("Edge TTL functions successfully loaded!");
-                    conn.createStatement().execute("UPDATE tb_schema_settings SET schema_version = 3003000;");
                     log.info("Updating indexes and TTL procedure for event table...");
                     schemaUpdateFile = Paths.get(installScripts.getDataDir(), "upgrade", "3.2.2", "schema_update_event.sql");
                     loadSql(schemaUpdateFile, conn);
+                    log.info("Updating schema settings...");
+                    conn.createStatement().execute("UPDATE tb_schema_settings SET schema_version = 3003000;");
                     log.info("Schema updated.");
                 } catch (Exception e) {
                     log.error("Failed updating schema!!!", e);

dao/src/main/resources/sql/schema-entities-idx.sql

@@ -22,8 +22,6 @@ CREATE INDEX IF NOT EXISTS idx_alarm_tenant_created_time ON alarm(tenant_id, cre
 
 CREATE INDEX IF NOT EXISTS idx_alarm_tenant_alarm_type_created_time ON alarm(tenant_id, type, created_time DESC);
 
-CREATE INDEX IF NOT EXISTS idx_event_type_entity_id ON event(tenant_id, event_type, entity_type, entity_id);
-
 CREATE INDEX IF NOT EXISTS idx_relation_to_id ON relation(relation_type_group, to_type, to_id);
 
 CREATE INDEX IF NOT EXISTS idx_relation_from_id ON relation(relation_type_group, from_type, from_id);
@@ -47,3 +45,19 @@ CREATE INDEX IF NOT EXISTS idx_attribute_kv_by_key_and_last_update_ts ON attribu
 CREATE INDEX IF NOT EXISTS idx_audit_log_tenant_id_and_created_time ON audit_log(tenant_id, created_time);
 
 CREATE INDEX IF NOT EXISTS idx_rpc_tenant_id_device_id ON rpc(tenant_id, device_id);
+
+CREATE INDEX IF NOT EXISTS idx_event_ts
+    ON public.event USING btree
+    (ts DESC NULLS LAST)
+    WITH (FILLFACTOR=95);
+
+COMMENT ON INDEX public.idx_event_ts
+    IS 'This index helps to delete events by TTL using timestamp';
+
+CREATE INDEX IF NOT EXISTS idx_event_tenant_entity_type_entity_event_type_created_time_des
+    ON public.event USING btree
+    (tenant_id ASC NULLS LAST, entity_type ASC NULLS LAST, entity_id ASC NULLS LAST, event_type ASC NULLS LAST, created_time DESC NULLS LAST)
+    WITH (FILLFACTOR=95);
+
+COMMENT ON INDEX public.idx_event_tenant_entity_type_entity_event_type_created_time_des
+    IS 'This index helps to open latest events on UI fast';