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Diffstat (limited to 'storage/ndb/src/old_files/client/odbc/handles/HandleBase.hpp')
| -rw-r--r-- | storage/ndb/src/old_files/client/odbc/handles/HandleBase.hpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/storage/ndb/src/old_files/client/odbc/handles/HandleBase.hpp b/storage/ndb/src/old_files/client/odbc/handles/HandleBase.hpp new file mode 100644 index 00000000000..fc35c2b559b --- /dev/null +++ b/storage/ndb/src/old_files/client/odbc/handles/HandleBase.hpp @@ -0,0 +1,67 @@ +/* Copyright (C) 2003 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#ifndef ODBC_HANDLES_HandleBase_hpp +#define ODBC_HANDLES_HandleBase_hpp + +#include <common/common.hpp> +#include <common/OdbcData.hpp> +#include <common/DiagArea.hpp> +#include <common/AttrArea.hpp> + +/** + * @class HandleBase + * @brief Base class for handles + * + * Following types of handles exist: + * - HandleRoot : root node + * - HandleEnv : environment handle (SQLHENV) + * - HandleDbc : connection handle (SQLHDBC) + * - HandleStmt : statement handle (SQLHSTMT) + * - HandleDesc : descriptor handle (SQLHDESC) + */ +class HandleRoot; +class HandleBase { +public: + HandleBase(); + virtual ~HandleBase() = 0; + virtual HandleBase* getParent() = 0; + virtual HandleRoot* getRoot() = 0; + virtual OdbcHandle odbcHandle() = 0; + void saveCtx(Ctx& ctx); + // allocate and free handles + virtual void sqlAllocHandle(Ctx& ctx, SQLSMALLINT childType, HandleBase** ppChild) = 0; + virtual void sqlFreeHandle(Ctx& ctx, SQLSMALLINT childType, HandleBase* pChild) = 0; + // get diagnostics + void sqlGetDiagField(Ctx& ctx, SQLSMALLINT recNumber, SQLSMALLINT diagIdentifier, SQLPOINTER diagInfo, SQLSMALLINT bufferLength, SQLSMALLINT* stringLength); + void sqlGetDiagRec(Ctx& ctx, SQLSMALLINT recNumber, SQLCHAR* sqlstate, SQLINTEGER* nativeError, SQLCHAR* messageText, SQLSMALLINT bufferLength, SQLSMALLINT* textLength); + void sqlError(Ctx& ctx, SQLCHAR* sqlstate, SQLINTEGER* nativeError, SQLCHAR* messageText, SQLSMALLINT bufferLength, SQLSMALLINT* textLength); // odbc2.0 + // common code for attributes + void baseSetHandleAttr(Ctx& ctx, AttrArea& attrArea, SQLINTEGER attribute, SQLPOINTER value, SQLINTEGER stringLength); + void baseGetHandleAttr(Ctx& ctx, AttrArea& attrArea, SQLINTEGER attribute, SQLPOINTER value, SQLINTEGER bufferLength, SQLINTEGER* stringLength); + void baseSetHandleOption(Ctx& ctx, AttrArea& attrArea, SQLUSMALLINT option, SQLUINTEGER value); // odbc2.0 + void baseGetHandleOption(Ctx& ctx, AttrArea& attrArea, SQLUSMALLINT option, SQLPOINTER value); // odbc2.0 +protected: + Ctx* m_ctx; // saved from last ODBC function +}; + +inline +HandleBase::HandleBase() : + m_ctx(0) +{ +} + +#endif |