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QxOrm
1.4.4
C++ Object Relational Mapping library
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00001 /**************************************************************************** 00002 ** 00003 ** http://www.qxorm.com/ 00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com) 00005 ** 00006 ** This file is part of the QxOrm library 00007 ** 00008 ** This software is provided 'as-is', without any express or implied 00009 ** warranty. In no event will the authors be held liable for any 00010 ** damages arising from the use of this software 00011 ** 00012 ** Commercial Usage 00013 ** Licensees holding valid commercial QxOrm licenses may use this file in 00014 ** accordance with the commercial license agreement provided with the 00015 ** Software or, alternatively, in accordance with the terms contained in 00016 ** a written agreement between you and Lionel Marty 00017 ** 00018 ** GNU General Public License Usage 00019 ** Alternatively, this file may be used under the terms of the GNU 00020 ** General Public License version 3.0 as published by the Free Software 00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the 00022 ** packaging of this file. Please review the following information to 00023 ** ensure the GNU General Public License version 3.0 requirements will be 00024 ** met : http://www.gnu.org/copyleft/gpl.html 00025 ** 00026 ** If you are unsure which license is appropriate for your use, or 00027 ** if you have questions regarding the use of this file, please contact : 00028 ** contact@qxorm.com 00029 ** 00030 ****************************************************************************/ 00031 00032 #ifndef _QX_SQL_RELATION_LINKED_H_ 00033 #define _QX_SQL_RELATION_LINKED_H_ 00034 00035 #ifdef _MSC_VER 00036 #pragma once 00037 #endif 00038 00046 #include <QtSql/qsqlerror.h> 00047 00048 #include <QxCommon/QxBool.h> 00049 00050 #include <QxDao/IxSqlRelation.h> 00051 00052 #include <QxCollection/QxCollection.h> 00053 00054 namespace qx { 00055 00082 class QX_DLL_EXPORT QxSqlRelationLinked 00083 { 00084 00085 private: 00086 00087 struct QxSqlRelationLinkedImpl; 00088 std::unique_ptr<QxSqlRelationLinkedImpl> m_pImpl; 00089 00090 public: 00091 00092 QxSqlRelationLinked(); 00093 QxSqlRelationLinked(bool bRoot); 00094 virtual ~QxSqlRelationLinked(); 00095 00096 qx_bool buildHierarchy(IxSqlRelationX * pRelationX, const QStringList & sRelationX); 00097 00098 void hierarchySelect(QxSqlRelationParams & params); 00099 void hierarchyFrom(QxSqlRelationParams & params); 00100 void hierarchyJoin(QxSqlRelationParams & params); 00101 void hierarchyWhereSoftDelete(QxSqlRelationParams & params); 00102 void hierarchyResolveOutput(QxSqlRelationParams & params); 00103 QSqlError hierarchyOnBeforeSave(QxSqlRelationParams & params); 00104 QSqlError hierarchyOnAfterSave(QxSqlRelationParams & params); 00105 void updateOffset(QxSqlRelationParams & params); 00106 00107 bool getCartesianProduct() const; 00108 long getAllRelationCount() const; 00109 long getRelationCount() const; 00110 bool existRelation(const QString & sKey) const; 00111 00112 bool checkRootColumns(const QString & s) const; 00113 long getRootColumnsCount() const; 00114 long getRootColumnsOffset() const; 00115 void setRootColumnsOffset(long l); 00116 00117 protected: 00118 00119 QStringList removeColumns(const QStringList & columnsToRemove, IxSqlRelation * pRelation) const; 00120 qx_bool insertRelationToHierarchy(const QStringList & sRelationX, const QString & sKey, qx::dao::sql_join::join_type eJoinType); 00121 bool isValidDaoHelper(QxSqlRelationParams & params) const; 00122 00123 }; 00124 00125 typedef std::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr; 00126 00127 } // namespace qx 00128 00129 #endif // _QX_SQL_RELATION_LINKED_H_