SQLAllocConnect.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* 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 >= 0x0000
- SQLRETURN SQL_API
- SQLAllocConnect(
- SQLHENV EnvironmentHandle,
- SQLHDBC* ConnectionHandle)
- {
- driver_enter(SQL_API_SQLALLOCCONNECT);
- const char* const sqlFunction = "SQLAllocConnect";
- HandleRoot* const pRoot = HandleRoot::instance();
- HandleEnv* pEnv = pRoot->findEnv(EnvironmentHandle);
- if (pEnv == 0) {
- driver_exit(SQL_API_SQLALLOCCONNECT);
- return SQL_INVALID_HANDLE;
- }
- Ctx& ctx = *new Ctx;
- ctx.logSqlEnter(sqlFunction);
- HandleDbc* pDbc = 0;
- HandleDbc** ppDbc = 0;
- if (ConnectionHandle != 0)
- ppDbc = &pDbc;
- try {
- pEnv->sqlAllocConnect(ctx, ppDbc);
- } catch (CtxAssert& ctxAssert) {
- ctx.handleEx(ctxAssert);
- }
- if (ConnectionHandle != 0)
- *ConnectionHandle = static_cast<SQLHDBC>(pDbc);
- pEnv->saveCtx(ctx);
- ctx.logSqlExit();
- SQLRETURN ret = ctx.getCode();
- driver_exit(SQL_API_SQLALLOCCONNECT);
- return ret;
- }
- #endif // ODBCVER >= 0x0000