[#1323] metabase: Drop payload checksum index

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/local_object_storage/metabase/put.go

@@ -297,18 +297,6 @@ func updateListIndexes(tx *bbolt.Tx, obj *objectSDK.Object, f updateIndexItemFun
 	objKey := objectKey(idObj, make([]byte, objectKeySize))
 	bucketName := make([]byte, bucketKeySize)
 
-	cs, _ := obj.PayloadChecksum()
-
-	// index payload hashes
-	err := f(tx, namedBucketItem{
-		name: payloadHashBucketName(cnr, bucketName),
-		key:  cs.Value(),
-		val:  objKey,
-	})
-	if err != nil {
-		return err
-	}
-
 	idParent, ok := obj.ParentID()
 
 	// index parent ids

pkg/local_object_storage/metabase/select.go

@@ -195,11 +195,9 @@ func (db *DB) selectFastFilter(
 	switch f.Header() {
 	case v2object.FilterHeaderObjectID:
 		db.selectObjectID(tx, f, cnr, to, fNum, currEpoch)
-	case v2object.FilterHeaderOwnerID:
+	case v2object.FilterHeaderOwnerID,
+		v2object.FilterHeaderPayloadHash:
 		return // moved to slow filters
-	case v2object.FilterHeaderPayloadHash:
-		bucketName := payloadHashBucketName(cnr, bucketName)
-		db.selectFromList(tx, bucketName, f, to, fNum)
 	case v2object.FilterHeaderObjectType:
 		for _, bucketName := range bucketNamesForType(cnr, f.Operation(), f.Value()) {
 			selectAllFromBucket(tx, bucketName, to, fNum)
@@ -511,6 +509,9 @@ func (db *DB) matchSlowFilters(tx *bbolt.Tx, addr oid.Address, f objectSDK.Searc
 			binary.LittleEndian.PutUint64(data, obj.PayloadSize())
 		case v2object.FilterHeaderOwnerID:
 			data = []byte(obj.OwnerID().EncodeToString())
+		case v2object.FilterHeaderPayloadHash:
+			cs, _ := obj.PayloadChecksum()
+			data = cs.Value()
 		default:
 			continue // ignore unknown search attributes
 		}
@@ -546,7 +547,8 @@ func groupFilters(filters objectSDK.SearchFilters) (filterGroup, error) {
 			v2object.FilterHeaderCreationEpoch,
 			v2object.FilterHeaderPayloadLength,
 			v2object.FilterHeaderHomomorphicHash,
-			v2object.FilterHeaderOwnerID:
+			v2object.FilterHeaderOwnerID,
+			v2object.FilterHeaderPayloadHash:
 			res.slowFilters = append(res.slowFilters, filters[i])
 		default: // fast filters or user attributes if unknown
 			res.fastFilters = append(res.fastFilters, filters[i])

pkg/local_object_storage/metabase/util.go

@@ -102,10 +102,10 @@ const (
 	// List index buckets.
 	// ====================
 
-	// payloadHashPrefix is used for prefixing List index buckets mapping payload hash to a list of object IDs.
+	// payloadHashPrefix was used for prefixing List index buckets mapping payload hash to a list of object IDs.
 	//  Key: payload hash
 	//  Value: list of object IDs
-	payloadHashPrefix
+	_
 	// parentPrefix is used for prefixing List index buckets mapping parent ID to a list of children IDs.
 	//  Key: parent ID
 	//  Value: list of object IDs
@@ -170,11 +170,6 @@ func cidFromAttributeBucket(val []byte, attributeKey string) []byte {
 	return val[1:bucketKeySize]
 }
 
-// payloadHashBucketName returns <CID>_payloadhash.
-func payloadHashBucketName(cnr cid.ID, key []byte) []byte {
-	return bucketName(cnr, payloadHashPrefix, key)
-}
-
 // rootBucketName returns <CID>_root.
 func rootBucketName(cnr cid.ID, key []byte) []byte {
 	return bucketName(cnr, rootPrefix, key)