SQLFreeHandle.cpp
上传用户:romrleung
上传日期:2022-05-23
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文件大小:2k
- /* 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 */
- #include "driver.hpp"
- #if ODBCVER >= 0x0300
- SQLRETURN SQL_API
- SQLFreeHandle(
- SQLSMALLINT HandleType,
- SQLHANDLE Handle)
- {
- driver_enter(SQL_API_SQLFREEHANDLE);
- const char* const sqlFunction = "SQLFreeHandle";
- HandleRoot* const pRoot = HandleRoot::instance();
- SQLSMALLINT parentType = pRoot->findParentType(HandleType);
- if (parentType == -1) {
- driver_exit(SQL_API_SQLFREEHANDLE);
- return SQL_INVALID_HANDLE;
- }
- HandleBase* pChild = pRoot->findBase(HandleType, Handle);
- if (pChild == 0) {
- driver_exit(SQL_API_SQLFREEHANDLE);
- return SQL_INVALID_HANDLE;
- }
- Ctx& ctx = *new Ctx;
- ctx.logSqlEnter(sqlFunction);
- HandleBase* pParent = pChild->getParent();
- ctx_assert(pParent != 0);
- try {
- pParent->sqlFreeHandle(ctx, HandleType, pChild);
- } catch (CtxAssert& ctxAssert) {
- ctx.handleEx(ctxAssert);
- }
- if (! ctx.ok()) {
- pChild->saveCtx(ctx);
- ctx.logSqlExit();
- SQLRETURN ret = ctx.getCode();
- driver_exit(SQL_API_SQLFREEHANDLE);
- return ret;
- }
- ctx.logSqlExit();
- SQLRETURN ret = ctx.getCode();
- delete &ctx;
- driver_exit(SQL_API_SQLFREEHANDLE);
- return ret;
- }
- #endif // ODBCVER >= 0x0300