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generated by cgit v1.2.3 (git 2.39.1) at 2025-04-16 19:34:35 +0000

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser 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.
*/

/*
SQLite format specification:
	blocks:
		(PK) INT id
		BLOB data
*/


#include "database-sqlite3.h"

#include "log.h"
#include "filesys.h"
#include "exceptions.h"
#include "settings.h"
#include "porting.h"
#include "util/string.h"
#include "remoteplayer.h"
#include "server/player_sao.h"

#include <cassert>

// When to print messages when the database is being held locked by another process
// Note: I've seen occasional delays of over 250ms while running minetestmapper.
#define BUSY_INFO_TRESHOLD	100	// Print first informational message after 100ms.
#define BUSY_WARNING_TRESHOLD	250	// Print warning message after 250ms. Lag is increased.
#define BUSY_ERROR_TRESHOLD	1000	// Print error message after 1000ms. Significant lag.
#define BUSY_FATAL_TRESHOLD	3000	// Allow SQLITE_BUSY to be returned, which will cause a minetest crash.
#define BUSY_ERROR_INTERVAL	10000	// Safety net: report again every 10 seconds


#define SQLRES(s, r, m) \
	if ((s) != (r)) { \
		throw DatabaseException(std::string(m) + ": " +\
				sqlite3_errmsg(m_database)); \
	}
#define SQLOK(s, m) SQLRES(s, SQLITE_OK, m)

#define PREPARE_STATEMENT(name, query) \