feat: [2.4]add page retain order for range search (#816)

issue: milvus-io/milvus#35464 Signed-off-by: Patrick Weizhi Xu <[email protected]> (cherry picked from commit a1f6fff) Signed-off-by: Patrick Weizhi Xu <[email protected]>
milvus-io · Nov 27, 2024 · c00ec06 · c00ec06
1 parent 564e928
commit c00ec06
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diff --git a/entity/index.go b/entity/index.go
@@ -89,6 +89,7 @@ type SearchParam interface {
 	Params() map[string]interface{}
 	AddRadius(radius float64)
 	AddRangeFilter(rangeFilter float64)
+	AddPageRetainOrder(pageRetainOrder bool)
 }
 
 type baseSearchParams struct {
@@ -111,6 +112,10 @@ func (sp *baseSearchParams) AddRangeFilter(rangeFilter float64) {
 	sp.params["range_filter"] = rangeFilter
 }
 
+func (sp *baseSearchParams) AddPageRetainOrder(pageRetainOrder bool) {
+	sp.params["page_retain_order"] = pageRetainOrder
+}
+
 func newBaseSearchParams() baseSearchParams {
 	return baseSearchParams{
 		params: make(map[string]interface{}),

diff --git a/entity/index_test.go b/entity/index_test.go
@@ -41,6 +41,12 @@ func TestAddRangeFilter(t *testing.T) {
 	assert.Equal(t, params.Params()["range_filter"], float64(20))
 }
 
+func TestPageRetainOrder(t *testing.T) {
+	params := newBaseSearchParams()
+	params.AddPageRetainOrder(true)
+	assert.Equal(t, params.Params()["page_retain_order"], true)
+}
+
 func TestIndexGPUCagra(t *testing.T) {
 	t.Run("index", func(t *testing.T) {
 		index, err := NewIndexGPUCagra(L2, 64, 64)