/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** 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 ZABBIX_DBSCHEMA_H
#define ZABBIX_DBSCHEMA_H

/* flags */
#define ZBX_NOTNULL		0x01
#define ZBX_PROXY		0x02

/* FK flags */
#define ZBX_FK_CASCADE_DELETE	0x01

/* field types */
#define	ZBX_TYPE_INT		0
#define	ZBX_TYPE_CHAR		1
#define	ZBX_TYPE_FLOAT		2
#define	ZBX_TYPE_BLOB		3
#define	ZBX_TYPE_TEXT		4
#define	ZBX_TYPE_UINT		5
#define	ZBX_TYPE_ID		6
#define	ZBX_TYPE_SHORTTEXT	7
#define	ZBX_TYPE_LONGTEXT	8
#define ZBX_TYPE_CUID		9
#define	ZBX_TYPE_SERIAL		10

#define ZBX_MAX_FIELDS		104 /* maximum number of fields in a table plus one for null terminator in dbschema.c */
#define ZBX_TABLENAME_LEN	26
#define ZBX_TABLENAME_LEN_MAX	(ZBX_TABLENAME_LEN + 1)
#define ZBX_FIELDNAME_LEN	28
#define ZBX_FIELDNAME_LEN_MAX	(ZBX_FIELDNAME_LEN + 1)

typedef struct
{
	const char	*name;
	const char	*default_value;
	const char	*fk_table;
	const char	*fk_field;
	unsigned short	length;
	unsigned char	type;
	unsigned char	flags;
	unsigned char	fk_flags;
}
zbx_db_field_t;

typedef struct
{
	const char	*table;
	const char	*recid;
	unsigned char	flags;
	zbx_db_field_t	fields[ZBX_MAX_FIELDS];
	const char	*uniq;
}
zbx_db_table_t;

typedef struct
{
	const char	*table;
	int		object;
}
zbx_db_table_changelog_t;

zbx_db_table_t			*zbx_dbschema_get_tables(void);
const zbx_db_table_changelog_t	*zbx_dbschema_get_changelog_tables(void);
const char			*zbx_dbschema_get_schema(void);

#endif