fix: data race when accessing field_ when retrieving (#39152)

issue: #39148 pr: #39151 Signed-off-by: chyezh <[email protected]>
milvus-io · Jan 13, 2025 · 0aa592b · 0aa592b
1 parent 39fa00f
commit 0aa592b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/internal/core/src/segcore/SegmentSealedImpl.cpp b/internal/core/src/segcore/SegmentSealedImpl.cpp
@@ -1595,7 +1595,11 @@ SegmentSealedImpl::bulk_subscript(
         return fill_with_empty(field_id, 0);
     }
 
-    auto column = fields_.at(field_id);
+    std::shared_ptr<SingleChunkColumnBase> column;
+    {
+        std::shared_lock lck(mutex_);
+        column = fields_.at(field_id);
+    }
     auto ret = fill_with_empty(field_id, count);
     if (column->IsNullable()) {
         auto dst = ret->mutable_valid_data()->mutable_data();