LakshSingla commented on code in PR #14475:
URL: https://github.com/apache/druid/pull/14475#discussion_r1241505628
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extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/util/IntervalUtils.java:
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@@ -61,4 +64,20 @@ public static List<Interval> difference(final List<Interval>
list1, final List<I
return retVal;
}
+
+ /**
+ * This method checks if the provided interval is aligned by the granularity
provided and if it occupies exactly
+ * one "unit" of the granularity
+ * Note: ALL granularity isn't aligned to any interval, however this method
is defines that ALL granularity matches
+ * an interval with boundary ({@code DateTimes.MIN}, {@code DateTimes.MAX})
+ */
+ public static boolean doesIntervalMatchesGranularity(final Interval
interval, final Granularity granularity)
+ {
+ // AllGranularity needs special handling since AllGranularity#bucketStart
always returns false
+ if (granularity instanceof AllGranularity) {
+ return (interval.getStartMillis() == DateTimes.MIN.getMillis())
+ && (interval.getEndMillis() == DateTimes.MAX.getMillis());
+ }
+ return granularity.isAligned(interval) &&
granularity.bucketEnd(interval.getStart()).equals(interval.getEnd());
Review Comment:
Thanks for the clarification, I understand why isAligned checks that the
interval fits exactly into the granularity. Refactored
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