1/*
2** Zabbix
3** Copyright (C) 2001-2021 Zabbix SIA
4**
5** This program is free software; you can redistribute it and/or modify
6** it under the terms of the GNU General Public License as published by
7** the Free Software Foundation; either version 2 of the License, or
8** (at your option) any later version.
9**
10** This program is distributed in the hope that it will be useful,
11** but WITHOUT ANY WARRANTY; without even the implied warranty of
12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13** GNU General Public License for more details.
14**
15** You should have received a copy of the GNU General Public License
16** along with this program; if not, write to the Free Software
17** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18**/
19
20package oracle
21
22import (
23	"context"
24
25	"zabbix.com/pkg/zbxerr"
26)
27
28func databasesDiscoveryHandler(ctx context.Context, conn OraClient, params map[string]string,
29	_ ...string) (interface{}, error) {
30	var lld string
31
32	row, err := conn.QueryRow(ctx, `
33		SELECT
34			JSON_ARRAYAGG(
35				JSON_OBJECT(
36					'{#DBNAME}' VALUE NAME,
37					'{#TYPE}'   VALUE DECODE(CDB, 'YES', 'CDB', 'No-CDB')
38				)
39			) LLD
40		FROM
41			V$DATABASE
42	`)
43	if err != nil {
44		return nil, zbxerr.ErrorCannotFetchData.Wrap(err)
45	}
46
47	err = row.Scan(&lld)
48	if err != nil {
49		return nil, zbxerr.ErrorCannotFetchData.Wrap(err)
50	}
51
52	if lld == "" {
53		lld = "[]"
54	}
55
56	return lld, nil
57}
58