/usr/include/KDb3/KDbSqlString.h is in libkdb3-dev 3.1.0-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | /* This file is part of the KDE project
Copyright (C) 2016 Jarosław Staniek <staniek@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KDB_SQLSTRING_H
#define KDB_SQLSTRING_H
#include "kdb_export.h"
#include <QByteArray>
//! The KDbSqlString class abstracts low-level information about a single string value returned by KDbSqlRecord
/**
* KDbSqlString exists for optimization purposes. KDbSqlRecord can return KDbSqlString
* objects to avoid premature converting to QString or QByteArray. This way memory allocations
* are not required.
*/
class KDbSqlString
{
public:
//! Creates an empty string object
inline KDbSqlString() : string(nullptr), length(0) {}
//! Creates string object from raw string @a s, of specified length
inline KDbSqlString(const char *s, quint64 len) : string(s), length(len) {}
//! @return true if this string value is empty. Here, NULL values are considered empty too.
inline bool isEmpty() const { return !string || length == 0; }
//! @return string value converted to bytea array
//! For optimization, raw string data is used via, see QByteArray::fromRawData() for details.
//! The caller must not delete data or modify the parent KDbSqlRecord object
//! directly as long as the returned QByteArray exists.
inline QByteArray rawDataToByteArray() const { return QByteArray::fromRawData(string, length); }
const char *string;
quint64 length;
};
#endif
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