fix: binary arith expression on inverted index (#35945)

issue: https://github.com/milvus-io/milvus/issues/35946

---------

Signed-off-by: longjiquan <jiquan.long@zilliz.com>

internal/core/src/exec/expression/BinaryArithOpEvalRangeExpr.cpp

@@ -807,7 +807,7 @@ PhyBinaryArithOpEvalRangeExpr::ExecRangeVisitorImplForArray() {
 template <typename T>
 VectorPtr
 PhyBinaryArithOpEvalRangeExpr::ExecRangeVisitorImpl() {
-    if (is_index_mode_) {
+    if (is_index_mode_ && IndexHasRawData<T>()) {
         return ExecRangeVisitorImplForIndex<T>();
     } else {
         return ExecRangeVisitorImplForData<T>();

internal/core/src/exec/expression/Expr.h

@@ -367,6 +367,25 @@ class SegmentExpr : public Expr {
         return true;
     }
 
+    template <typename T>
+    bool
+    IndexHasRawData() const {
+        typedef std::
+            conditional_t<std::is_same_v<T, std::string_view>, std::string, T>
+                IndexInnerType;
+
+        using Index = index::ScalarIndex<IndexInnerType>;
+        for (size_t i = current_index_chunk_; i < num_index_chunk_; i++) {
+            const Index& index =
+                segment_->chunk_scalar_index<IndexInnerType>(field_id_, i);
+            if (!index.HasRawData()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     void
     SetNotUseIndex() {
         use_index_ = false;

tests/python_client/testcases/test_index.py

@@ -2295,6 +2295,22 @@ class TestInvertedIndexValid(TestcaseBase):
             collection_w.create_index(scalar_fields[i], index_params=scalar_index_params, index_name=index_name)
             assert collection_w.has_index(index_name=index_name)[0] is True
 
+    @pytest.mark.tags(CaseLabel.L0)
+    def test_binary_arith_expr_on_inverted_index(self):
+        prefix = "test_binary_arith_expr_on_inverted_index"
+        nb = 5000
+        collection_w, _, _, insert_ids, _ = self.init_collection_general(prefix, insert_data=True, is_index=True, is_all_data_type=True)
+        index_name = "test_binary_arith_expr_on_inverted_index"
+        scalar_index_params = {"index_type": "INVERTED"}
+        collection_w.release()
+        collection_w.create_index(ct.default_int64_field_name, index_params=scalar_index_params, index_name=index_name)
+        collection_w.load()
+        # query and verify result
+        res = collection_w.query(expr=f"{ct.default_int64_field_name} % 10 == 0")[0]
+        query_ids = set(map(lambda x: x[ct.default_int64_field_name], res))
+        filter_ids = set([_id for _id in insert_ids if _id % 10 == 0])
+        assert query_ids == set(filter_ids)
+
 
 class TestBitmapIndex(TestcaseBase):
     """