Fixed inefficient Stream API call chains ending with count() (#15386)

* Fixed inefficient Stream API call chains ending with count() Signed-off-by: Dmitry Kryukov <[email protected]> * Refactored method minTermLength() as per @sandeshkr419's advice Signed-off-by: Dmitry Kryukov <[email protected]> * Added a line in CHANGELOG.md Signed-off-by: Dmitry Kryukov <[email protected]> --------- Signed-off-by: Dmitry Kryukov <[email protected]>
opensearch-project · Oct 17, 2024 · 313e46a · 313e46a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -83,6 +83,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix multi-search with template doesn't return status code ([#16265](https://github.com/opensearch-project/OpenSearch/pull/16265))
 - [Streaming Indexing] Fix intermittent 'The bulk request must be terminated by a newline [\n]' failures [#16337](https://github.com/opensearch-project/OpenSearch/pull/16337))
 - Fix wrong default value when setting `index.number_of_routing_shards` to null on index creation ([#16331](https://github.com/opensearch-project/OpenSearch/pull/16331))
+- Fix disk usage exceeds threshold cluster can't spin up issue ([#15258](https://github.com/opensearch-project/OpenSearch/pull/15258)))
+- Fix inefficient Stream API call chains ending with count() ([#15386](https://github.com/opensearch-project/OpenSearch/pull/15386))
 
 ### Security
 

diff --git a/modules/percolator/src/main/java/org/opensearch/percolator/QueryAnalyzer.java b/modules/percolator/src/main/java/org/opensearch/percolator/QueryAnalyzer.java
@@ -510,19 +510,25 @@ static Result selectBestResult(Result result1, Result result2) {
     }
 
     private static int minTermLength(Set<QueryExtraction> extractions) {
-        // In case there are only range extractions, then we return Integer.MIN_VALUE,
-        // so that selectBestExtraction(...) we are likely to prefer the extractions that contains at least a single extraction
-        if (extractions.stream().filter(queryExtraction -> queryExtraction.term != null).count() == 0
-            && extractions.stream().filter(queryExtraction -> queryExtraction.range != null).count() > 0) {
-            return Integer.MIN_VALUE;
-        }
-
+        boolean hasTerm = false;
+        boolean hasRange = false;
         int min = Integer.MAX_VALUE;
+
         for (QueryExtraction qt : extractions) {
             if (qt.term != null) {
+                hasTerm = true;
                 min = Math.min(min, qt.bytes().length);
             }
+            if (qt.range != null) {
+                hasRange = true;
+            }
         }
+
+        // If there are no terms but there are ranges, return Integer.MIN_VALUE
+        if (!hasTerm && hasRange) {
+            return Integer.MIN_VALUE;
+        }
+
         return min;
     }