first commit
This commit is contained in:
bing
208
include/QxDao/QxSqlElement/IxSqlElement.h
Normal file
208
include/QxDao/QxSqlElement/IxSqlElement.h
Normal file
@@ -0,0 +1,208 @@
|
||||
/****************************************************************************
|
||||
**
|
||||
** https://www.qxorm.com/
|
||||
** Copyright (C) 2013 XDL Team (ic-east.com)
|
||||
**
|
||||
** This file is part of the QxOrm library
|
||||
**
|
||||
** This software is provided 'as-is', without any express or implied
|
||||
** warranty. In no event will the authors be held liable for any
|
||||
** damages arising from the use of this software
|
||||
**
|
||||
** Commercial Usage
|
||||
** Licensees holding valid commercial QxOrm 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 XDL Team
|
||||
**
|
||||
** GNU General Public License Usage
|
||||
** Alternatively, this file may be used under the terms of the GNU
|
||||
** General Public License version 3.0 as published by the Free Software
|
||||
** Foundation and appearing in the file 'license.gpl3.txt' included in the
|
||||
** packaging of this file. Please review the following information to
|
||||
** ensure the GNU General Public License version 3.0 requirements will be
|
||||
** met : http://www.gnu.org/copyleft/gpl.html
|
||||
**
|
||||
** If you are unsure which license is appropriate for your use, or
|
||||
** if you have questions regarding the use of this file, please contact :
|
||||
** ic-east.com
|
||||
**
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef _IX_SQL_ELEMENT_H_
|
||||
#define _IX_SQL_ELEMENT_H_
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#pragma once
|
||||
#endif
|
||||
|
||||
/*!
|
||||
* \file IxSqlElement.h
|
||||
* \author XDL Team
|
||||
* \ingroup QxDao
|
||||
* \brief Common interface for all SQL elements to build SQL query
|
||||
*/
|
||||
|
||||
#ifdef _QX_ENABLE_BOOST_SERIALIZATION
|
||||
#include <boost/serialization/serialization.hpp>
|
||||
#include <boost/serialization/split_free.hpp>
|
||||
#include <boost/serialization/nvp.hpp>
|
||||
#endif // _QX_ENABLE_BOOST_SERIALIZATION
|
||||
|
||||
#include <QtCore/qdatastream.h>
|
||||
|
||||
#ifndef _QX_NO_JSON
|
||||
#include <QtCore/qjsonvalue.h>
|
||||
#endif // _QX_NO_JSON
|
||||
|
||||
#include <QtSql/qsqlquery.h>
|
||||
|
||||
#include <QxCollection/QxCollection.h>
|
||||
|
||||
#include <QxDao/QxSqlGenerator/IxSqlGenerator.h>
|
||||
|
||||
#include <QxSerialize/Qt/QxSerialize_QList.h>
|
||||
#include <QxSerialize/Qt/QxSerialize_QStringList.h>
|
||||
#include <QxSerialize/Qt/QxSerialize_QVariant.h>
|
||||
|
||||
#include <QxConvert/QxConvert.h>
|
||||
|
||||
namespace qx
|
||||
{
|
||||
namespace dao
|
||||
{
|
||||
namespace detail
|
||||
{
|
||||
class IxSqlElement;
|
||||
} // namespace detail
|
||||
} // namespace dao
|
||||
} // namespace qx
|
||||
|
||||
QX_DLL_EXPORT QDataStream &operator<<(QDataStream &stream, const qx::dao::detail::IxSqlElement &t) QX_USED;
|
||||
QX_DLL_EXPORT QDataStream &operator>>(QDataStream &stream, qx::dao::detail::IxSqlElement &t) QX_USED;
|
||||
|
||||
#ifndef _QX_NO_JSON
|
||||
namespace qx
|
||||
{
|
||||
namespace cvt
|
||||
{
|
||||
namespace detail
|
||||
{
|
||||
template <>
|
||||
struct QxConvert_ToJson<qx::dao::detail::IxSqlElement>;
|
||||
template <>
|
||||
struct QxConvert_FromJson<qx::dao::detail::IxSqlElement>;
|
||||
QX_DLL_EXPORT QJsonValue QxConvert_ToJson_Helper(const qx::dao::detail::IxSqlElement &t, const QString &format) QX_USED;
|
||||
QX_DLL_EXPORT qx_bool QxConvert_FromJson_Helper(const QJsonValue &j, qx::dao::detail::IxSqlElement &t, const QString &format) QX_USED;
|
||||
} // namespace detail
|
||||
} // namespace cvt
|
||||
} // namespace qx
|
||||
#endif // _QX_NO_JSON
|
||||
|
||||
namespace qx
|
||||
{
|
||||
namespace dao
|
||||
{
|
||||
namespace detail
|
||||
{
|
||||
|
||||
/*!
|
||||
* \ingroup QxDao
|
||||
* \brief qx::dao::detail::IxSqlElement : common interface for all SQL elements to build SQL query
|
||||
*/
|
||||
class QX_DLL_EXPORT IxSqlElement
|
||||
{
|
||||
|
||||
friend QX_DLL_EXPORT QDataStream & ::operator<<(QDataStream &stream, const qx::dao::detail::IxSqlElement &t);
|
||||
friend QX_DLL_EXPORT QDataStream & ::operator>>(QDataStream &stream, qx::dao::detail::IxSqlElement &t);
|
||||
|
||||
#ifndef _QX_NO_JSON
|
||||
friend struct qx::cvt::detail::QxConvert_ToJson<qx::dao::detail::IxSqlElement>;
|
||||
friend struct qx::cvt::detail::QxConvert_FromJson<qx::dao::detail::IxSqlElement>;
|
||||
friend QX_DLL_EXPORT QJsonValue qx::cvt::detail::QxConvert_ToJson_Helper(const qx::dao::detail::IxSqlElement &t, const QString &format);
|
||||
friend QX_DLL_EXPORT qx_bool qx::cvt::detail::QxConvert_FromJson_Helper(const QJsonValue &j, qx::dao::detail::IxSqlElement &t, const QString &format);
|
||||
#endif // _QX_NO_JSON
|
||||
|
||||
public:
|
||||
enum type_class
|
||||
{
|
||||
_no_type,
|
||||
_sql_compare,
|
||||
_sql_element_temp,
|
||||
_sql_expression,
|
||||
_sql_free_text,
|
||||
_sql_in,
|
||||
_sql_is_between,
|
||||
_sql_is_null,
|
||||
_sql_limit,
|
||||
_sql_sort,
|
||||
_sql_embed_query
|
||||
};
|
||||
|
||||
protected:
|
||||
int m_iIndex; //!< Index of SQL element to build unique string
|
||||
QStringList m_lstColumns; //!< List of columns associated to SQL element
|
||||
QStringList m_lstKeys; //!< List of keys associated to SQL element
|
||||
QList<QVariant> m_lstValues; //!< List of values associated to SQL element
|
||||
IxSqlGenerator *m_pSqlGenerator; //!< SQL generator to build SQL query specific for each database
|
||||
|
||||
public:
|
||||
IxSqlElement(int index);
|
||||
virtual ~IxSqlElement();
|
||||
|
||||
void setColumn(const QString &column);
|
||||
void setColumns(const QStringList &columns);
|
||||
void setValue(const QVariant &val);
|
||||
void setValues(const QVariantList &values);
|
||||
|
||||
virtual IxSqlElement::type_class getTypeClass() const = 0;
|
||||
|
||||
virtual QString toString() const = 0;
|
||||
virtual void resolve(QSqlQuery &query, qx::QxCollection<QString, QVariantList> *pLstExecBatch = NULL) const = 0;
|
||||
virtual void postProcess(QString &sql) const = 0;
|
||||
|
||||
virtual void clone(IxSqlElement *other);
|
||||
|
||||
#ifdef _QX_ENABLE_BOOST_SERIALIZATION
|
||||
template <class Archive>
|
||||
void qxSave(Archive &ar) const
|
||||
{
|
||||
QString sExtraSettings = getExtraSettings();
|
||||
ar << boost::serialization::make_nvp("index", m_iIndex);
|
||||
ar << boost::serialization::make_nvp("list_columns", m_lstColumns);
|
||||
ar << boost::serialization::make_nvp("list_keys", m_lstKeys);
|
||||
ar << boost::serialization::make_nvp("list_values", m_lstValues);
|
||||
ar << boost::serialization::make_nvp("extra_settings", sExtraSettings);
|
||||
}
|
||||
#endif // _QX_ENABLE_BOOST_SERIALIZATION
|
||||
|
||||
#ifdef _QX_ENABLE_BOOST_SERIALIZATION
|
||||
template <class Archive>
|
||||
void qxLoad(Archive &ar)
|
||||
{
|
||||
QString sExtraSettings;
|
||||
ar >> boost::serialization::make_nvp("index", m_iIndex);
|
||||
ar >> boost::serialization::make_nvp("list_columns", m_lstColumns);
|
||||
ar >> boost::serialization::make_nvp("list_keys", m_lstKeys);
|
||||
ar >> boost::serialization::make_nvp("list_values", m_lstValues);
|
||||
ar >> boost::serialization::make_nvp("extra_settings", sExtraSettings);
|
||||
setExtraSettings(sExtraSettings);
|
||||
}
|
||||
#endif // _QX_ENABLE_BOOST_SERIALIZATION
|
||||
|
||||
protected:
|
||||
void updateKeys();
|
||||
|
||||
virtual QString getExtraSettings() const = 0;
|
||||
virtual void setExtraSettings(const QString &s) = 0;
|
||||
};
|
||||
|
||||
typedef std::shared_ptr<IxSqlElement> IxSqlElement_ptr;
|
||||
|
||||
QX_DLL_EXPORT IxSqlElement_ptr create_sql_element(IxSqlElement::type_class e) QX_USED;
|
||||
|
||||
} // namespace detail
|
||||
} // namespace dao
|
||||
} // namespace qx
|
||||
|
||||
#endif // _IX_SQL_ELEMENT_H_
|
||||
Reference in New Issue
Block a user