FDO API Reference | Feature Data Objects |
00001 #ifndef _ISQLCOMMAND_H_ 00002 #define _ISQLCOMMAND_H_ 00003 // 00004 00005 // 00006 // Copyright (C) 2004-2006 Autodesk, Inc. 00007 // 00008 // This library is free software; you can redistribute it and/or 00009 // modify it under the terms of version 2.1 of the GNU Lesser 00010 // General Public License as published by the Free Software Foundation. 00011 // 00012 // This library is distributed in the hope that it will be useful, 00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 // Lesser General Public License for more details. 00016 // 00017 // You should have received a copy of the GNU Lesser General Public 00018 // License along with this library; if not, write to the Free Software 00019 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00020 // 00021 #ifdef _WIN32 00022 #pragma once 00023 #endif 00024 00025 #include <FdoStd.h> 00026 #include <Fdo/Commands/ICommand.h> 00027 #include <Fdo/Connections/IConnection.h> 00028 #include <Fdo/Commands/Sql/ISQLDataReader.h> 00029 00030 /// \brief 00031 /// The FdoISQLCommand interface defines the SQL command, which supports the 00032 /// execution of a SQL statement against an underlying RDBMS. Two execute 00033 /// methods are provided to distinguish between statements that return table data 00034 /// versus those that execute non query type operations. 00035 class FdoISQLCommand : public FdoICommand 00036 { 00037 friend class FdoIConnection; 00038 00039 public: 00040 /// \brief 00041 /// Gets the SQL statement to be executed as a string. 00042 /// 00043 /// \return 00044 /// Returns the SQL statement. 00045 /// 00046 FDO_API virtual FdoString* GetSQLStatement() = 0; 00047 00048 /// \brief 00049 /// Sets the SQL statement to be executed as a string. 00050 /// 00051 /// \param value 00052 /// Input the SQL statement. 00053 /// 00054 /// \return 00055 /// Returns nothing 00056 /// 00057 FDO_API virtual void SetSQLStatement(FdoString* value) = 0; 00058 00059 /// \brief 00060 /// Executes the SQL statement against the connection object and returns 00061 /// the number of rows affected. 00062 /// 00063 /// \return 00064 /// Returns the number of rows affected. 00065 /// 00066 FDO_API virtual FdoInt32 ExecuteNonQuery() = 0; 00067 00068 /// \brief 00069 /// Executes the SQL statement against the connection object and returns 00070 /// an FdoISQLDataReader. 00071 /// 00072 /// \return 00073 /// Returns the data reader. 00074 /// 00075 FDO_API virtual FdoISQLDataReader* ExecuteReader() = 0; 00076 }; 00077 #endif 00078 00079
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