wu-sheng commented on a change in pull request #5132:
URL: https://github.com/apache/skywalking/pull/5132#discussion_r468627064
##########
File path:
oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/base/TimeSeriesUtils.java
##########
@@ -60,6 +61,31 @@ public static String latestWriteIndexName(Model model) {
}
}
+ /**
+ * @return Concrete index name for super dataset index
+ */
+ public static String[] querySuperDatasetIndices(String indexName, long
startTimeBucket, long endTimeBucket) {
+ if (startTimeBucket == 0 || endTimeBucket == 0) {
+ return new String[] {indexName};
+ }
+ long startDay =
compressTimeBucket(convert2DayTimeBucket(startTimeBucket),
SUPER_DATASET_DAY_STEP);
+ long endDay = compressTimeBucket(convert2DayTimeBucket(endTimeBucket),
SUPER_DATASET_DAY_STEP);
+ DateTime startDateTime = TIME_BUCKET_FORMATTER.parseDateTime(startDay
+ "");
+ DateTime endDateTime = TIME_BUCKET_FORMATTER.parseDateTime(endDay +
"");
+
+ int steps = Math.max((Days.daysBetween(startDateTime,
endDateTime).getDays()) / SUPER_DATASET_DAY_STEP, 0);
+ return IntStream.rangeClosed(0, steps)
+ .mapToObj(step -> indexName + Const.LINE +
startDateTime.plusDays(Math.toIntExact(SUPER_DATASET_DAY_STEP *
step)).toString(TIME_BUCKET_FORMATTER))
+ .toArray(String[]::new);
+ }
+
+ private static long convert2DayTimeBucket(long timeBucket) {
Review comment:
Really? From my check, all these are running for TimeRangeIndexNameMaker
and Trace query, the input parameter is always `startSecondTB`? Why it could be
different formats?
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