dschneider-pivotal commented on a change in pull request #6726:
URL: https://github.com/apache/geode/pull/6726#discussion_r680063808
##########
File path:
geode-apis-compatible-with-redis/src/main/java/org/apache/geode/redis/internal/data/RedisSortedSet.java
##########
@@ -395,6 +395,31 @@ long zrevrank(byte[] member) {
return null;
}
+ List<byte[]> zpopmax(Region<RedisKey, RedisData> region, RedisKey key, int
count) {
+ Iterator<AbstractOrderedSetEntry> scoresIterator =
+ scoreSet.getIndexRange(scoreSet.size() - 1, count, true);
+ List<byte[]> result = new ArrayList<>();
+
+ if (!scoresIterator.hasNext()) {
+ return result;
Review comment:
could the canonical empty list be returned here?
##########
File path:
geode-apis-compatible-with-redis/src/main/java/org/apache/geode/redis/internal/data/RedisSortedSet.java
##########
@@ -395,6 +395,31 @@ long zrevrank(byte[] member) {
return null;
}
+ List<byte[]> zpopmax(Region<RedisKey, RedisData> region, RedisKey key, int
count) {
+ Iterator<AbstractOrderedSetEntry> scoresIterator =
+ scoreSet.getIndexRange(scoreSet.size() - 1, count, true);
+ List<byte[]> result = new ArrayList<>();
Review comment:
if you return the canonical empty list then you could delay the
ArrayList allocation until after the empty check. Can you use the arguments
passed to getIndexRange to compute a better initial size of this ArrayList?
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