Merge pull request #12084 from smatvienko-tb/feature/edq-optimization-relations-isFetchLastLevelOnly-index-hit

Entity Data Query optimisation - entityFilter.isFetchLastLevelOnly() to hit index and avoid sequential scan

dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultEntityQueryRepository.java

@@ -663,7 +663,7 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
                     .append("nr.").append(fromOrTo).append("_id").append(" = re.").append(toOrFrom).append("_id")
                     .append(" and ")
                     .append("nr.").append(fromOrTo).append("_type").append(" = re.").append(toOrFrom).append("_type");
-
+            notExistsPart.append(" and nr.relation_type_group = 'COMMON'"); // hit the index, the same condition are on the recursive query
             notExistsPart.append(")");
             whereFilter += " and ( r_int.lvl = " + entityFilter.getMaxLevel() + " OR " + notExistsPart.toString() + ")";
         }
@@ -755,7 +755,7 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
                     .append("nr.").append(fromOrTo).append("_type").append(" = re.").append(toOrFrom).append("_type")
                     .append(" and ")
                     .append(whereFilter.toString().replaceAll("re\\.", "nr\\."));
-
+            notExistsPart.append(" and nr.relation_type_group = 'COMMON'"); // hit the index, the same condition are on the recursive query
             notExistsPart.append(")");
             whereFilter.append(" and ( r_int.lvl = ").append(entityFilter.getMaxLevel()).append(" OR ").append(notExistsPart.toString()).append(")");
         }