feat(opt): added index for dailyEvent for groupingTimestamp, lastRepetitionTime и _id for sorting for dailyEventPortion

Author: slaveeks

src/resolvers/project.js

@@ -15,6 +15,7 @@ const REPETITIONS_USER_ID_INDEX_NAME = 'userId';
 const EVENTS_TIMESTAMP_INDEX_NAME = 'timestamp';
 const GROUPING_TIMESTAMP_INDEX_NAME = 'groupingTimestamp';
 const GROUPING_TIMESTAMP_AND_GROUP_HASH_INDEX_NAME = 'groupingTimestampAndGroupHash';
+const GROUPING_TIMESTAMP_AND_LAST_REPETITION_TIME_AND_ID_INDEX_NAME = 'groupingTimestampAndLastRepetitionTimeAndId';
 const MAX_SEARCH_QUERY_LENGTH = 50;
 
 /**
@@ -117,6 +118,14 @@ module.exports = {
         name: GROUPING_TIMESTAMP_AND_GROUP_HASH_INDEX_NAME,
       });
 
+      await projectDailyEventsCollection.createIndex({
+        groupingTimestamp: -1,
+        lastRepetitionTime: -1,
+        _id: -1,
+      }, {
+        name: GROUPING_TIMESTAMP_AND_LAST_REPETITION_TIME_AND_ID_INDEX_NAME,
+      });
+
       await projectEventsCollection.createIndex({
         groupHash: 1,
       },