Set DiskAnn Filter Threshold to Default Value when Missing (#897)

Signed-off-by: Patrick Weizhi Xu <[email protected]>
milvus-io · May 22, 2023 · df91db9 · df91db9
1 parent 5d260cb
commit df91db9
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/knowhere/index/vector_index/IndexDiskANNConfig.cpp b/knowhere/index/vector_index/IndexDiskANNConfig.cpp
@@ -223,8 +223,12 @@ from_json(const Config& config, DiskANNQueryConfig& query_conf) {
                                       std::max(kSearchListSizeMaxValue, static_cast<uint32_t>(10 * query_conf.k)),
                                       query_conf.search_list_size);
     CheckNumericParamAndSet<uint32_t>(config, kBeamwidth, kBeamwidthMinValue, kBeamwidthMaxValue, query_conf.beamwidth);
-    CheckNumericParamAndSet<float>(config, kFilterThreshold, kFilterThresholdMinValue, kFilterThresholdMaxValue,
-                                   query_conf.filter_threshold);
+    if (config.contains(kFilterThreshold)) {
+        CheckNumericParamAndSet<float>(config, kFilterThreshold, kFilterThresholdMinValue, kFilterThresholdMaxValue,
+                                       query_conf.filter_threshold);
+    } else {
+        query_conf.filter_threshold = kFilterThresholdMinValue;
+    }
 }
 
 void