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[#1175] metabase: Work with LOCK objects

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After introduction of LOCK objects (of type `TypeLock`) complicated
extended its behavior:
  * create `lockers` container bucket (LCB) during PUT;
  * remove object from LCB during DELETE;
  * look up object in LCB during EXISTS;
  * get object from LCB during GET;
  * list objects from LCB during LIST with cursor;
  * select objects from LCB during SELECT with '*'.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2022-02-15 15:51:56 +03:00 • committed by LeL
parent 9f13674a10
commit 9508633a7e
13 changed files with 97 additions and 18 deletions
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9
pkg/local_object_storage/metabase/exists.go
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@ -88,13 +88,8 @@ func (db *DB) exists(tx *bbolt.Tx, addr *addressSDK.Address) (exists bool, err e
return false, objectSDK.NewSplitInfoError(splitInfo)
}
// if parent bucket is empty, then check if object exists in tombstone bucket
if inBucket(tx, tombstoneBucketName(addr.ContainerID()), objKey) {
return true, nil
}
// if parent bucket is empty, then check if object exists in storage group bucket
return inBucket(tx, storageGroupBucketName(addr.ContainerID()), objKey), nil
// if parent bucket is empty, then check if object exists in typed buckets
return firstIrregularObjectType(tx, *addr.ContainerID(), objKey) != objectSDK.TypeRegular, nil
}
// inGraveyard returns: