From 6280d075b9520b231fe2f0a67e67efd20025168f Mon Sep 17 00:00:00 2001
From: Alex Vanin <alexey@nspcc.ru>
Date: Thu, 26 Nov 2020 12:15:15 +0300
Subject: [PATCH] [#208] Remove `childfree` search attribute

With updated specification of object related operation
we don't have this search attribute any more and we
should not use functions related to this attribute.

This commit breaks object service logic, however it will
be fixed later.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
---
 pkg/local_object_storage/metabase/db.go      |  2 --
 pkg/local_object_storage/metabase/db_test.go | 18 ------------------
 pkg/local_object_storage/metabase/put.go     | 11 +----------
 pkg/services/object/search/query/v1/keys.go  |  4 ++--
 4 files changed, 3 insertions(+), 32 deletions(-)

diff --git a/pkg/local_object_storage/metabase/db.go b/pkg/local_object_storage/metabase/db.go
index a7a6ac9a3..5621b51ca 100644
--- a/pkg/local_object_storage/metabase/db.go
+++ b/pkg/local_object_storage/metabase/db.go
@@ -63,8 +63,6 @@ func stringEqualMatcher(key, objVal, filterVal string) bool {
 	switch key {
 	default:
 		return objVal == filterVal
-	case v2object.FilterPropertyChildfree:
-		return (filterVal == v2object.BooleanPropertyValueTrue) == (objVal == v2object.BooleanPropertyValueTrue)
 	case v2object.FilterPropertyPhy, v2object.FilterPropertyRoot:
 		return true
 	}
diff --git a/pkg/local_object_storage/metabase/db_test.go b/pkg/local_object_storage/metabase/db_test.go
index 5782e82e5..4e27f35e9 100644
--- a/pkg/local_object_storage/metabase/db_test.go
+++ b/pkg/local_object_storage/metabase/db_test.go
@@ -10,7 +10,6 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
-	v2object "github.com/nspcc-dev/neofs-api-go/v2/object"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 	"github.com/nspcc-dev/neofs-node/pkg/util/test"
 	"github.com/pkg/errors"
@@ -174,24 +173,7 @@ func TestDB_SelectProperties(t *testing.T) {
 	lnk.SetID(testOID())
 	lnk.SetChildren(testOID())
 
-	lnkAddr := lnk.Object().Address()
-
 	require.NoError(t, db.Put(lnk.Object()))
-
-	// childfree filter
-	fs = fs[:0]
-	fs.AddChildfreeFilter()
-	testSelect(t, db, fs, childAddr, parAddr)
-
-	// non-childfree filter
-	fs = fs[:0]
-	fs.AddNonChildfreeFilter()
-	testSelect(t, db, fs, lnkAddr)
-
-	// childfree filter (with random false value)
-	fs = fs[:0]
-	fs.AddFilter(v2object.FilterPropertyChildfree, "some false value", objectSDK.MatchStringEqual)
-	testSelect(t, db, fs, lnkAddr)
 }
 
 func TestDB_Path(t *testing.T) {
diff --git a/pkg/local_object_storage/metabase/put.go b/pkg/local_object_storage/metabase/put.go
index a42f0e9fa..cda37b898 100644
--- a/pkg/local_object_storage/metabase/put.go
+++ b/pkg/local_object_storage/metabase/put.go
@@ -96,12 +96,7 @@ func addressKey(addr *objectSDK.Address) []byte {
 func objectIndices(obj *object.Object, parent bool) []bucketItem {
 	as := obj.Attributes()
 
-	res := make([]bucketItem, 0, 7+len(as)) // 7 predefined buckets and object attributes
-
-	childfreeVal := v2object.BooleanPropertyValueTrue
-	if len(obj.Children()) > 0 {
-		childfreeVal = ""
-	}
+	res := make([]bucketItem, 0, 6+len(as)) // 6 predefined buckets and object attributes
 
 	res = append(res,
 		bucketItem{
@@ -116,10 +111,6 @@ func objectIndices(obj *object.Object, parent bool) []bucketItem {
 			key: v2object.FilterHeaderOwnerID,
 			val: obj.OwnerID().String(),
 		},
-		bucketItem{
-			key: v2object.FilterPropertyChildfree,
-			val: childfreeVal,
-		},
 		bucketItem{
 			key: v2object.FilterHeaderParent,
 			val: obj.ParentID().String(),
diff --git a/pkg/services/object/search/query/v1/keys.go b/pkg/services/object/search/query/v1/keys.go
index cd062ce11..7b866ce5a 100644
--- a/pkg/services/object/search/query/v1/keys.go
+++ b/pkg/services/object/search/query/v1/keys.go
@@ -8,24 +8,24 @@ import (
 
 // FIXME: this is a temporary solution for object fields filters
 
+// fixme: remove it, it is broken now
 func NewRightChildQuery(par *object.ID) query.Query {
 	q := &Query{
 		filters: make(object.SearchFilters, 0, 2),
 	}
 
 	q.filters.AddFilter(v2object.FilterHeaderParent, idValue(par), object.MatchStringEqual)
-	q.filters.AddFilter(v2object.FilterPropertyChildfree, v2object.BooleanPropertyValueTrue, object.MatchStringEqual)
 
 	return q
 }
 
+// fixme: remove it, it is broken now
 func NewLinkingQuery(par *object.ID) query.Query {
 	q := &Query{
 		filters: make(object.SearchFilters, 0, 2),
 	}
 
 	q.filters.AddFilter(v2object.FilterHeaderParent, idValue(par), object.MatchStringEqual)
-	q.filters.AddFilter(v2object.FilterPropertyChildfree, v2object.BooleanPropertyValueFalse, object.MatchStringEqual)
 
 	return q
 }