unified-storage: add feature flag to use ngram for indexing (#111265)

* unified-storage: add feature flag to use ngram instead of edge-ngram for indexing

pkg/services/featuremgmt/registry.go

@@ -1193,6 +1193,14 @@ var (
 			HideFromDocs:      true,
 			HideFromAdminPage: true,
 		},
+		{
+			Name:              "unifiedStorageUseFullNgram",
+			Description:       "Use full n-gram indexing instead of edge n-gram for unified storage search",
+			Stage:             FeatureStageExperimental,
+			Owner:             grafanaSearchAndStorageSquad,
+			HideFromDocs:      true,
+			HideFromAdminPage: true,
+		},
 		{
 			Name:              "managedDualWriter",
 			Description:       "Pick the dual write mode from database configs",

pkg/services/featuremgmt/toggles_gen.csv

@@ -155,6 +155,7 @@ useSessionStorageForRedirection,GA,@grafana/identity-access-team,false,false,fal
 rolePickerDrawer,experimental,@grafana/identity-access-team,false,false,false
 unifiedStorageSearch,experimental,@grafana/search-and-storage,false,false,false
 unifiedStorageSearchSprinkles,experimental,@grafana/search-and-storage,false,false,false
+unifiedStorageUseFullNgram,experimental,@grafana/search-and-storage,false,false,false
 managedDualWriter,experimental,@grafana/search-and-storage,false,false,false
 pluginsSriChecks,GA,@grafana/plugins-platform-backend,false,false,false
 unifiedStorageBigObjectsSupport,experimental,@grafana/search-and-storage,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -631,6 +631,10 @@ const (
 	// Enable sprinkles on unified storage search
 	FlagUnifiedStorageSearchSprinkles = "unifiedStorageSearchSprinkles"
 
+	// FlagUnifiedStorageUseFullNgram
+	// Use full n-gram indexing instead of edge n-gram for unified storage search
+	FlagUnifiedStorageUseFullNgram = "unifiedStorageUseFullNgram"
+
 	// FlagManagedDualWriter
 	// Pick the dual write mode from database configs
 	FlagManagedDualWriter = "managedDualWriter"