Use fields instead of methods.

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

@@ -16,4 +22,3 @@
 )
 
 const (
-	pathFlag      = "path"

@@ -36,0 +41,4 @@
+	}
+}
+
+func testSelect2(t *testing.T, db *meta.DB, cnr cid.ID, fs objectSDK.SearchFilters, useAttrIndex bool, exp ...oid.Address) {

@@ -418,0 +439,4 @@
+		return nil
+	}
+
+	if err := bkt.DeleteBucket(item.key); err != nil {

@@ -384,0 +423,4 @@
+	// user specified attributes
+	for i := range attrs {
+		if _, index := indexedAttributes[attrs[i].Key()]; !index {
+			continue

@@ -259,6 +279,81 @@ func bucketNamesForType(cnr cid.ID, mType objectSDK.SearchMatchType, typeVal str
 	return
 }
 
+func (db *DB) selectFromFKBT(

@@ -384,0 +422,4 @@
+
+	// user specified attributes
+	for i := range attrs {
+		if _, index := indexedAttributes[attrs[i].Key()]; !index {

@@ -218,7 +223,13 @@ func (db *DB) selectFastFilter(
 		selectAllFromBucket(tx, primaryBucketName(cnr, bucketName), to, fNum)
 		selectAllFromBucket(tx, tombstoneBucketName(cnr, bucketName), to, fNum)
 		selectAllFromBucket(tx, bucketNameLockers(cnr, bucketName), to, fNum)
-	default:

@@ -262,0 +288,4 @@
+) { //
+	matchFunc, ok := db.matchers[f.Operation()]
+	if !ok {
+		db.log.Debug(logs.MetabaseMissingMatcher, zap.Uint32("operation", uint32(f.Operation())))

@@ -512,3 +607,3 @@
 			res.fastFilters = append(res.fastFilters, filters[i])
 		default:
-			res.slowFilters = append(res.slowFilters, filters[i])
+			if _, indexed := indexedAttributes[filters[i].Header()]; useAttributeIndex && indexed {

@@ -170,6 +169,28 @@ func smallBucketName(cnr cid.ID, key []byte) []byte {
 	return bucketName(cnr, smallPrefix, key)
 }
 
+// attributeBucketName returns <CID>_attr_<attributeKey>.

@@ -275,6 +275,27 @@ func (s *Shard) refillObject(ctx context.Context, data []byte, addr oid.Address,
 		return nil
 	}
 
+	var hasIndexableAttribute bool

@@ -26,3 +27,3 @@
 
 // SetContainerID is a Select option to set the container id to search in.
-func (p *SelectPrm) SetContainerID(cnr cid.ID) {
+func (p *SelectPrm) SetContainerID(cnr cid.ID, isS3Container bool) {

@@ -28,3 +29,3 @@
 var errInvalidECPlacement = errors.New("invalid EC placement: EC placement must have one placement vector with at least one node")
 
-func (p *Policer) processECContainerObject(ctx context.Context, objInfo objectcore.Info, policy netmap.PlacementPolicy) error {
+func (p *Policer) processECContainerObject(ctx context.Context, objInfo objectcore.Info, policy netmap.PlacementPolicy, cnr containerSDK.Container) error {

@@ -453,3 +454,3 @@
 }
 
-func (r *testReplicator) HandleLocalPutTask(ctx context.Context, task replicator.Task) {
+func (r *testReplicator) HandleLocalPutTask(ctx context.Context, task replicator.Task, cnr containerSDK.Container) {

@@ -262,0 +288,4 @@
+) { //
+	matchFunc, ok := db.matchers[f.Operation()]
+	if !ok {
+		db.log.Debug(logs.MetabaseMissingMatcher, zap.Stringer("operation", f.Operation()))

@@ -1417,0 +1423,4 @@
+	return container.NewInfoProvider(func() (container.Source, error) {
+		// threadsafe: called on init or on sighup when morph initialized
+		if c.cfgMorph.client == nil {
+			initMorphComponents(ctx, c)

@@ -0,0 +36,4 @@
+func NewInfoProvider(sourceFactory func() (Source, error)) InfoProvider {
+	return &infoProvider{
+		mtx:           &sync.RWMutex{},
+		cache:         make(map[cid.ID]infoValue),