Add use-estimate-for-fetch-postings feature flag

1 files changed, 5 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/schema/derived/RawRankProfile.java b/config-model/src/main/java/com/yahoo/schema/derived/RawRankProfile.java
index 411e754f3ef..8090344ea8c 100644
--- a/config-model/src/main/java/com/yahoo/schema/derived/RawRankProfile.java
+++ b/config-model/src/main/java/com/yahoo/schema/derived/RawRankProfile.java
@@ -172,6 +172,7 @@ public class RawRankProfile implements RankProfilesConfig.Producer {
         private final double rankScoreDropLimit;
         private final boolean alwaysMarkPhraseExpensive;
         private final boolean createPostinglistWhenNonStrict;
+        private final boolean useEstimateForFetchPostings;
 
         /**
          * The rank type definitions used to derive settings for the native rank features
@@ -215,6 +216,7 @@ public class RawRankProfile implements RankProfilesConfig.Producer {
             termwiseLimit = compiled.getTermwiseLimit().orElse(deployProperties.featureFlags().defaultTermwiseLimit());
             alwaysMarkPhraseExpensive = deployProperties.featureFlags().alwaysMarkPhraseExpensive();
             createPostinglistWhenNonStrict = deployProperties.featureFlags().createPostinglistWhenNonStrict();
+            useEstimateForFetchPostings = deployProperties.featureFlags().useEstimateForFetchPostings();
             postFilterThreshold = compiled.getPostFilterThreshold();
             approximateThreshold = compiled.getApproximateThreshold();
             targetHitsMaxAdjustmentFactor = compiled.getTargetHitsMaxAdjustmentFactor();
@@ -471,6 +473,9 @@ public class RawRankProfile implements RankProfilesConfig.Producer {
             if ( ! createPostinglistWhenNonStrict) {
                 properties.add(new Pair<>("vespa.matching.create_postinglist_when_non_strict", String.valueOf(createPostinglistWhenNonStrict)));
             }
+            if (useEstimateForFetchPostings) {
+                properties.add(new Pair<>("vespa.matching.use_estimate_for_fetch_postings", String.valueOf(useEstimateForFetchPostings)));
+            }
             if (postFilterThreshold.isPresent()) {
                 properties.add(new Pair<>("vespa.matching.global_filter.upper_limit", String.valueOf(postFilterThreshold.getAsDouble())));
             }