Sayonara Player
Query.h
1/* Query.h */
2
3/* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4 *
5 * This file is part of sayonara player
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#ifndef Query_H
22#define Query_H
23
24#include "Utils/Pimpl.h"
25
26#include <QString>
27#include <QSqlQuery>
28#include <QVariant>
29#include <QSqlDatabase>
30#include <QSqlError>
31
32namespace DB
33{
34 class Module;
35 class Query :
36 public QSqlQuery
37 {
38 PIMPL(Query)
39
40 private:
41 explicit Query(QSqlDatabase db);
42
43 public:
44 explicit Query(const Module* module);
45
46 Query(const QString& connection_name, DbId databaseId);
47 Query(const Query& other);
48
49 explicit Query(QSqlResult* result) = delete;
50 explicit Query(const QString& query=QString(), const QSqlDatabase& db = QSqlDatabase()) = delete;
51
52 Query& operator=(const Query& other);
53
54 virtual ~Query();
55
56 bool prepare(const QString& query);
57 void bindValue(const QString& placeholder, const QVariant & val, QSql::ParamType paramType = QSql::In);
58 bool exec();
59 void setError(bool b);
60 bool hasError() const;
61
62 QString getQueryString() const;
63 void showQuery() const;
64 void showError(const QString& err_msg) const;
65
66
67 size_t fetchedRows();
68 };
69}
70
71#endif // Query_H
Definition: Module.h:33
Definition: Query.h:37