ringles commented on a change in pull request #6715:
URL: https://github.com/apache/geode/pull/6715#discussion_r679240436
##########
File path:
geode-apis-compatible-with-redis/src/main/java/org/apache/geode/redis/internal/data/RedisSortedSet.java
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@@ -310,18 +311,62 @@ long zcount(SortedSetRangeOptions rangeOptions) {
return getRange(min, max, withScores, false);
}
+ List<byte[]> zrevrangebyscore(SortedSetRangeOptions rangeOptions, boolean
withScores) {
+ List<byte[]> result = new ArrayList<>();
+ AbstractOrderedSetEntry maxEntry =
+ new DummyOrderedSetEntry(rangeOptions.getStartDouble(),
rangeOptions.isStartExclusive(),
+ false);
+ int maxIndex = scoreSet.indexOf(maxEntry);
+
+ AbstractOrderedSetEntry minEntry =
+ new DummyOrderedSetEntry(rangeOptions.getEndDouble(),
rangeOptions.isEndExclusive(), true);
+ int minIndex = scoreSet.indexOf(minEntry);
+ if (minIndex > getSortedSetSize()) {
+ return Collections.emptyList();
+ }
+
+ if (minIndex == maxIndex) {
+ return Collections.emptyList();
+ }
+
+ // Okay, if we make it this far there's a potential range of things to
return.
+ int count = Integer.MAX_VALUE;
+ if (rangeOptions.hasLimit()) {
+ count = rangeOptions.getCount();
+ maxIndex -= rangeOptions.getOffset();
+ if (maxIndex < 0) {
+ return Collections.emptyList();
+ }
+ }
+ Iterator<AbstractOrderedSetEntry> entryIterator =
+ scoreSet.getIndexRange(maxIndex - 1, Math.min(count, maxIndex -
minIndex), true);
Review comment:
Done, or at least a stab thereto.
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