From aa5418a5a9e0ddec5d31884f4e0e6d6aa562932b Mon Sep 17 00:00:00 2001
From: Buqian Zheng <zhengbuqian@gmail.com>
Date: Wed, 17 Jul 2024 15:13:41 +0800
Subject: [PATCH] fix: correctly set search params when using knowhere iterator
 (#34731)

issue: #34730

Signed-off-by: Buqian Zheng <zhengbuqian@gmail.com>
---
 internal/core/src/query/groupby/SearchGroupByOperator.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/core/src/query/groupby/SearchGroupByOperator.h b/internal/core/src/query/groupby/SearchGroupByOperator.h
index 41e3d2299dc3c..dc0ec4037ebb8 100644
--- a/internal/core/src/query/groupby/SearchGroupByOperator.h
+++ b/internal/core/src/query/groupby/SearchGroupByOperator.h
@@ -133,7 +133,7 @@ PrepareVectorIteratorsFromIndex(const SearchInfo& search_info,
                                 const index::VectorIndex& index) {
     if (search_info.group_by_field_id_.has_value()) {
         try {
-            auto search_conf = search_info.search_params_;
+            auto search_conf = index.PrepareSearchParams(search_info);
             knowhere::expected<std::vector<knowhere::IndexNode::IteratorPtr>>
                 iterators_val =
                     index.VectorIterators(dataset, search_conf, bitset);