dschneider-pivotal commented on a change in pull request #6861:
URL: https://github.com/apache/geode/pull/6861#discussion_r717843213



##########
File path: 
geode-apis-compatible-with-redis/src/main/java/org/apache/geode/redis/internal/data/RedisSortedSet.java
##########
@@ -607,6 +669,87 @@ private void addIfMatching(GlobPattern matchPattern, 
List<byte[]> resultList, by
     }
   }
 
+  private void computeIntersection(List<RedisSortedSet> sets, ZAggregator 
aggregator) {
+    RedisSortedSet retVal = new RedisSortedSet(Collections.emptyList(), new 
double[] {});
+    RedisSortedSet smallestSet = sets.get(0);
+
+    for (RedisSortedSet set : sets) {
+      if (set.getSortedSetSize() < smallestSet.getSortedSetSize()) {
+        smallestSet = set;
+      }
+    }
+
+    for (byte[] member : smallestSet.members.keySet()) {
+      Double newScore;
+      if (aggregator.equals(ZAggregator.SUM)) {
+        newScore = getSumOfScoresForMember(sets, member);
+      } else if (aggregator.equals(ZAggregator.MAX)) {
+        newScore = getMaxScoreForMember(sets, member);
+      } else {
+        newScore = getMinScoreForMember(sets, member);
+      }
+
+      if (newScore != null) {
+        if (newScore.isNaN()) {
+          throw new ArithmeticException(ERROR_OPERATION_PRODUCED_NAN);
+        }
+        retVal.memberAdd(member, newScore);
+      }
+    }
+  }
+
+  private Double getSumOfScoresForMember(List<RedisSortedSet> sets, byte[] 
memberName) {

Review comment:
       are these three methods also dead code now?

##########
File path: 
geode-apis-compatible-with-redis/src/main/java/org/apache/geode/redis/internal/data/RedisSortedSet.java
##########
@@ -607,6 +669,87 @@ private void addIfMatching(GlobPattern matchPattern, 
List<byte[]> resultList, by
     }
   }
 
+  private void computeIntersection(List<RedisSortedSet> sets, ZAggregator 
aggregator) {
+    RedisSortedSet retVal = new RedisSortedSet(Collections.emptyList(), new 
double[] {});
+    RedisSortedSet smallestSet = sets.get(0);
+
+    for (RedisSortedSet set : sets) {
+      if (set.getSortedSetSize() < smallestSet.getSortedSetSize()) {
+        smallestSet = set;
+      }
+    }
+
+    for (byte[] member : smallestSet.members.keySet()) {
+      Double newScore;
+      if (aggregator.equals(ZAggregator.SUM)) {
+        newScore = getSumOfScoresForMember(sets, member);
+      } else if (aggregator.equals(ZAggregator.MAX)) {
+        newScore = getMaxScoreForMember(sets, member);
+      } else {
+        newScore = getMinScoreForMember(sets, member);
+      }
+
+      if (newScore != null) {
+        if (newScore.isNaN()) {

Review comment:
       the new "zinterstore" impl does not do this NaN check. Did you decide it 
was not needed?

##########
File path: 
geode-apis-compatible-with-redis/src/main/java/org/apache/geode/redis/internal/data/RedisSortedSet.java
##########
@@ -607,6 +669,87 @@ private void addIfMatching(GlobPattern matchPattern, 
List<byte[]> resultList, by
     }
   }
 
+  private void computeIntersection(List<RedisSortedSet> sets, ZAggregator 
aggregator) {

Review comment:
       should this method be removed? I don't see any callers




-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]


Reply via email to