Update Filter field

.code-samples.meilisearch.yaml

@@ -187,7 +187,7 @@ get_health_1: |-
 get_version_1: |-
   client.GetVersion()
 distinct_attribute_guide_1: |-
-  client.Index("movies").UpdateDistinctAttribute("product_id")
+  client.Index("jackets").UpdateDistinctAttribute("product_id")
 field_properties_guide_searchable_1: |-
   searchableAttributes := []string{
     "title",
@@ -409,4 +409,4 @@ post_dump_1: |-
 get_dump_status_1: |-
   results, err := client.GetDumpStatus("dump-uid")
 phrase_search_1: |-
-  results, err := client.Index("movies").Search("\"neo\"", &meilisearch.SearchRequest{})
+  results, err := client.Index("movies").Search("\"african american\" horror", &meilisearch.SearchRequest{})

index_search.go

@@ -29,7 +29,7 @@ func (i Index) Search(query string, request *SearchRequest) (*SearchResponse, er
 	if request.Matches {
 		searchPostRequestParams["matches"] = request.Matches
 	}
-	if request.Filter != "" {
+	if request.Filter != nil {
 		searchPostRequestParams["filter"] = request.Filter
 	}
 	if request.Offset != 0 {

index_search_test.go

@@ -433,6 +433,62 @@ func TestIndex_SearchWithFilters(t *testing.T) {
 				ExhaustiveNbHits: false,
 			},
 		},
+		{
+			name: "TestIndexSearchWithFilterArray",
+			args: args{
+				UID:    "indexUID",
+				client: defaultClient,
+				query:  "and",
+				filterableAttributes: []string{
+					"year",
+				},
+				request: SearchRequest{
+					Filter: []string{
+						"year = 2005",
+					},
+				},
+			},
+			want: &SearchResponse{
+				Hits: []interface{}{
+					map[string]interface{}{
+						"book_id": float64(4), "title": "Harry Potter and the Half-Blood Prince",
+					},
+				},
+				NbHits:           1,
+				Offset:           0,
+				Limit:            20,
+				ExhaustiveNbHits: false,
+			},
+		},
+		{
+			name: "TestIndexSearchWithFilterMultipleArray",
+			args: args{
+				UID:    "indexUID",
+				client: defaultClient,
+				query:  "and",
+				filterableAttributes: []string{
+					"year",
+					"tag",
+				},
+				request: SearchRequest{
+					Filter: [][]string{
+						[]string{"year < 1850"},
+						[]string{"tag = romance"},
+					},
+				},
+			},
+			want: &SearchResponse{
+				Hits: []interface{}{
+					map[string]interface{}{
+						"book_id": float64(123), "title": "Pride and Prejudice",
+					},
+				},
+				NbHits:           1,
+				Offset:           0,
+				Limit:            20,
+				ExhaustiveNbHits: false,
+			},
+		},
 		{
 			name: "TestIndexSearchWithMultipleFilter",
 			args: args{

types.go

@@ -139,7 +139,7 @@ type SearchRequest struct {
 	AttributesToCrop      []string
 	CropLength            int64
 	AttributesToHighlight []string
-	Filter                string
+	Filter                interface{}
 	Matches               bool
 	FacetsDistribution    []string
 	PlaceholderSearch     bool