t.Fatalf("Got unexpected error: %v", err)
			}
			opts := ObjectOpts{
				Name:             tc.objectName,
				UserTags:         tc.objectTags,
				ModTime:          tc.objectModTime,
				DeleteMarker:     tc.isDelMarker,
				IsLatest:         !tc.isNoncurrent,
				SuccessorModTime: tc.objectSuccessorModTime,
				VersionID:        tc.versionID,
			}
			opts.NumVersions = 1
			if tc.hasManyVersions {

   * failed CAS on base update), the table is initialized to size 2.
   * The table size is doubled upon further contention until
   * reaching the nearest power of two greater than or equal to the
   * number of CPUS. Table slots remain empty (null) until they are
   * needed.
   *
   * A single spinlock ("busy") is used for initializing and
   * resizing the table, as well as populating slots with new Cells.

	return errDiskNotFound
}

func (p *xlStorageDiskIDCheck) DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error) {
	if contextCanceled(ctx) {
		return DiskInfo{}, ctx.Err()
	}

	si := p.updateStorageMetrics(storageMetricDiskInfo)
	defer si(0, &err)

	if opts.NoOp {
		if opts.Metrics {
			info.Metrics = p.getMetrics()
		}
		info.Metrics.TotalWrites = p.totalWrites.Load()

			writeErrorResponseJSON(ctx, w, APIErr, r.URL)
			return
		}

		// In case of LDAP/OIDC we need to set `opts.claims` to ensure
		// it is associated with the LDAP/OIDC user properly.
		for k, v := range cred.Claims {
			if k == expClaim {
				continue
			}
			opts.claims[k] = v
		}
	} else {
		// We still need to ensure that the target user is a valid LDAP user.
		//

	RollbackTo(tx *DB, name string) error
}

// TxBeginner tx beginner
type TxBeginner interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
}

// ConnPoolBeginner conn pool beginner
type ConnPoolBeginner interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (ConnPool, error)
}

// TxCommitter tx committer
type TxCommitter interface {
	Commit() error
	Rollback() error
}

				dm.startContinuousLockRefresh(lockLossCallback, id, source, quorum)

				return locked
			}

			switch {
			case opts.RetryInterval < 0:
				return false
			case opts.RetryInterval > 0:
				time.Sleep(opts.RetryInterval)
			default:
				attempt++
				time.Sleep(lockRetryBackOff(dm.rng, attempt))
			}
		}
	}
}

// not all run!).
func NewGetObjectReader(rs *HTTPRangeSpec, oi ObjectInfo, opts ObjectOptions, h http.Header) (
	fn ObjReaderFn, off, length int64, err error,
) {
	if opts.CheckPrecondFn != nil && opts.CheckPrecondFn(oi) {
		return nil, 0, 0, PreConditionFailed{}
	}

	if rs == nil && opts.PartNumber > 0 {
		rs = partNumberToRangeSpec(oi, opts.PartNumber)
	}

	_, isEncrypted := crypto.IsEncrypted(oi.UserDefined)

//
//	func (c *wrapperConnPool) BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error) {
//		 return c.db.BeginTx(ctx, opts)
//	}
//
// You should use BeginTx returned gorm.Tx which could wrap *sql.Tx then you can record all queries.
func (c *wrapperConnPool) BeginTx(ctx context.Context, opts *sql.TxOptions) (gorm.ConnPool, error) {
	tx, err := c.db.BeginTx(ctx, opts)
	if err != nil {
		return nil, err
	}

}

func (client mockPromAPI) Query(ctx context.Context, query string, ts time.Time, opts ...promv1.Option) (prometheus_model.Value, promv1.Warnings, error) {
	canned, ok := client.cannedResponse[query]
	if !ok {
		return prometheus_model.Vector{}, nil, nil
	}
	return canned, nil, nil
}

func (client mockPromAPI) TSDB(ctx context.Context, opts ...promv1.Option) (promv1.TSDBResult, error) {
	return promv1.TSDBResult{}, nil
}

				Deleted:   true,
				IsLatest:  true,
				ModTime:   timeSentinel1970,
			}, nil
		}
		inData = xlMeta.data
		fi, err = xlMeta.ToFileInfo(volume, path, versionID, opts.InclFreeVersions, true)
	}
	if !opts.Data || err != nil {
		return fi, err
	}
	versionID = fi.VersionID
	if versionID == "" {
		versionID = nullVersionID
	}

	fi.Data = inData.find(versionID)
	if len(fi.Data) == 0 {