You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: metadata.go
    path of file: ./repos/storj/satellite/metabase
    
    the code of the file until where you have to start completion: // Copyright (C) 2020 Storj Labs, Inc.
// See LICENSE for copying information.

package metabase

import (
	"context"

	"go
    
func (db *DB) UpdateObjectLastCommittedMetadata(ctx context.Context, opts UpdateObjectLastCommittedMetadata) (err error) {
	defer mon.Task()(&ctx)(&err)

	if err := opts.Verify(); err != nil {
		return err
	}

	// TODO So the issue is that during a multipart upload of an object,
	// uplink can update object metadata. If we add the arguments EncryptedMetadata
	// to CommitObject, they will need to account for them being optional.
	// Leading to scenarios where uplink calls update metadata, but wants to clear them
	// during commit object.
	result, err := db.db.ExecContext(ctx, `
		UPDATE objects SET
			encrypted_metadata_nonce         = $5,
			encrypted_metadata               = $6,
			encrypted_metadata_encrypted_key = $7
		WHERE
			(project_id, bucket_name, object_key) = ($1, $2, $3) AND
			version IN (SELECT version FROM objects WHERE
				(project_id, bucket_name, object_key) = ($1, $2, $3) AND
				status <> `+statusPending+` AND
				(expires_at IS NULL OR expires_at > now())
				ORDER BY version desc
				LIMIT 1
			) AND
			stream_id    = $4 AND
			status       IN `+statusesCommitted,
		opts.ProjectID, []byte(opts.BucketName), opts.ObjectKey, opts.StreamID,
		opts.EncryptedMetadataNonce, opts.EncryptedMetadata, opts.EncryptedMetadataEncryptedKey)
	if err != nil {
		return Error.New("unable to update object metadata: %w", err)
	}

	affected, err := result.RowsAffected()
	if err != nil {
		return Error.New("failed to get rows affected: %w", err)
	}

	if affected == 0 {
		return ErrObjectNotFound.New("object with specified version and committed status is missing")
	}

	if affected > 1 {
		db.log.Warn("object with multiple committed versions were found!",
			zap.Stringer("Project ID", opts.ProjectID), zap.String("Bucket Name", opts.BucketName),
			zap.String("Object Key", string(opts.ObjectKey)), zap.Stringer("Stream ID", opts.StreamID))
		mon.Meter("multiple_committed_versions").Mark(1)
	}

	mon.Meter("object_update_metadata").Mark(int(affected))

	return nil
}