mpd/src/DatabaseHelpers.hxx
Max Kellermann 3c0dea811d DatabasePlugin: add method GetStats()
Optimize the ProxyDatabase by invoking "stats" on the peer, instead of
visiting all songs.
2012-08-15 23:05:08 +02:00

42 lines
1.3 KiB
C++

/*
* Copyright (C) 2003-2012 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_MEMORY_DATABASE_PLUGIN_HXX
#define MPD_MEMORY_DATABASE_PLUGIN_HXX
#include "DatabaseVisitor.hxx"
#include "tag.h"
#include "gcc.h"
class Database;
struct DatabaseSelection;
struct DatabaseStats;
bool
VisitUniqueTags(const Database &db, const DatabaseSelection &selection,
enum tag_type tag_type,
VisitString visit_string,
GError **error_r);
bool
GetStats(const Database &db, const DatabaseSelection &selection,
DatabaseStats &stats, GError **error_r);
#endif