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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "sqliteglobal.h"
#include "sqliteexception.h"
#include <utils/smallstringvector.h>
namespace Sqlite {
class Index
{
public:
Index(Utils::SmallString &&tableName, Utils::SmallStringVector &&columnNames)
: m_tableName(std::move(tableName)),
m_columnNames(std::move(columnNames))
{
}
Utils::SmallString sqlStatement() const
{
checkTableName();
checkColumns();
return {"CREATE INDEX IF NOT EXISTS index_",
m_tableName,
"_",
m_columnNames.join("_"),
" ON ",
m_tableName,
"(",
m_columnNames.join(", "),
")"
};
}
void checkTableName() const
{
if (m_tableName.isEmpty())
throw Exception("SqliteIndex has not table name!");
}
void checkColumns() const
{
if (m_columnNames.empty())
throw Exception("SqliteIndex has no columns!");
}
private:
Utils::SmallString m_tableName;
Utils::SmallStringVector m_columnNames;
};
using SqliteIndices = std::vector<Index>;
} //
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