78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/*
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QAD - Qt ADvanced
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef sql_query_H
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#define sql_query_H
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#include "qad_sql_export.h"
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#include <QMap>
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#include <QSqlError>
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#include <QSqlQuery>
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#include <QVariant>
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namespace QAD {
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class QAD_SQL_EXPORT SQLQuery {
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public:
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SQLQuery(QString query_ = QString(), QVariantMap params = QVariantMap(), QSqlDatabase db = QSqlDatabase());
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~SQLQuery();
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struct QAD_SQL_EXPORT Result {
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bool ok = false;
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int rows = 0;
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QVariant insertId = -1;
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QSqlQuery query;
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operator bool() const { return ok; }
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};
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typedef std::function<void(QString, QVariantMap, QSqlError)> HandlerFail;
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QSqlQuery & query() { return q; }
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bool exec() { return q.exec(); }
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static Result exec(QString query_, QVariantMap params = QVariantMap(), QSqlDatabase db = QSqlDatabase());
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/// INSERT INTO <table> (<values.keys>) VALUES (<values.values>)
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static Result insert(QString table, QVariantMap values = QVariantMap(), QSqlDatabase db = QSqlDatabase());
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/// DELETE FROM <table> [WHERE <filter>]
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static Result remove(QString table, QString filter = QString(), QSqlDatabase db = QSqlDatabase());
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/// DROP TABLE <table>
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static bool drop(QString table, QSqlDatabase db = QSqlDatabase());
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static void setFailHandler(HandlerFail h);
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protected:
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QSqlQuery q;
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private:
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struct Singleton {
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static Singleton * instance();
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HandlerFail fail_handler;
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};
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};
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} // namespace QAD
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#endif
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