Bring back index model generation (#328)

cmd/schemagen/testdata/models.go

@@ -47,29 +47,14 @@ var (
 	})
 )
 
-// Materialized view models.
-var (
-	ComposersByName = table.New(table.Metadata{
-		Name: "composers_by_name",
-		Columns: []string{
-			"id",
-			"name",
-		},
-		PartKey: []string{
-			"id",
-		},
-		SortKey: []string{
-			"name",
-		},
-	})
-)
-
+// User-defined types (UDT) structs.
 type AlbumUserType struct {
 	gocqlx.UDT
 	Name        string
 	Songwriters []string
 }
 
+// Table structs.
 type PlaylistsStruct struct {
 	Album  AlbumUserType
 	Artist string
@@ -86,8 +71,3 @@ type SongsStruct struct {
 	Tags     []string
 	Title    string
 }
-
-type ComposersByNameStruct struct {
-	Id   [16]byte
-	Name string
-}