optimized search count queries to use rowid by default

models/schema/schema_field.go

@@ -190,7 +190,7 @@ func (f SchemaField) Validate() error {
 
 	excludeNames := BaseModelFieldNames()
 	// exclude special filter literals
-	excludeNames = append(excludeNames, "null", "true", "false")
+	excludeNames = append(excludeNames, "null", "true", "false", "_rowid_")
 	// exclude system literals
 	excludeNames = append(excludeNames, SystemFieldNames()...)
 

models/schema/schema_field_test.go

@@ -313,6 +313,15 @@ func TestSchemaFieldValidate(t *testing.T) {
 			},
 			[]string{"name"},
 		},
+		{
+			"reserved name (_rowid_)",
+			schema.SchemaField{
+				Type: schema.FieldTypeText,
+				Id:   "1234567890",
+				Name: "_rowid_",
+			},
+			[]string{"name"},
+		},
 		{
 			"reserved name (id)",
 			schema.SchemaField{