Zabbix

/*

** 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.

**/

​

#include "dbupgrade.h"

​

#include "zbxnum.h"

#include "zbxdbhigh.h"

#include "log.h"

#include "zbxalgo.h"

​

/*

 * 5.0 development database patches

 */

​

#ifndef HAVE_SQLITE3

​

static int  DBpatch_4050001(void)

{

    return DBdrop_foreign_key("items", 1);

}

​

static int  DBpatch_4050002(void)

{

    return DBdrop_index("items", "items_1");

}

​

static int  DBpatch_4050003(void)

{

    const ZBX_FIELD field = {"key_", "", NULL, NULL, 2048, ZBX_TYPE_CHAR, ZBX_NOTNULL, 0};

​

    return DBmodify_field_type("items", &field, NULL);

}

​

static int  DBpatch_4050004(void)

{

#ifdef HAVE_MYSQL

    return DBcreate_index("items", "items_1", "hostid,key_(1021)", 0);

#else

    return DBcreate_index("items", "items_1", "hostid,key_", 0);

#endif

}

​

static int  DBpatch_4050005(void)

{

    const ZBX_FIELD field = {"hostid", NULL, "hosts", "hostid", 0, 0, 0, ZBX_FK_CASCADE_DELETE};

​

    return DBadd_foreign_key("items", 1, &field);