SQLAllocStmt.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 >= 0x0000
- SQLRETURN SQL_API
- SQLAllocStmt(
- SQLHDBC ConnectionHandle,
- SQLHSTMT* StatementHandle)
- {
- driver_enter(SQL_API_SQLALLOCSTMT);
- const char* const sqlFunction = "SQLAllocStmt";
- HandleRoot* const pRoot = HandleRoot::instance();
- HandleDbc* pDbc = pRoot->findDbc(ConnectionHandle);
- if (pDbc == 0) {
- driver_exit(SQL_API_SQLALLOCSTMT);
- return SQL_INVALID_HANDLE;
- }
- Ctx& ctx = *new Ctx;
- ctx.logSqlEnter(sqlFunction);
- HandleStmt* pStmt = 0;
- HandleStmt** ppStmt = 0;
- if (StatementHandle != 0)
- ppStmt = &pStmt;
- try {
- pDbc->sqlAllocStmt(ctx, ppStmt);
- } catch (CtxAssert& ctxAssert) {
- ctx.handleEx(ctxAssert);
- }
- if (StatementHandle != 0)
- *StatementHandle = static_cast<SQLHSTMT>(pStmt);
- pDbc->saveCtx(ctx);
- ctx.logSqlExit();
- SQLRETURN ret = ctx.getCode();
- driver_exit(SQL_API_SQLALLOCSTMT);
- return ret;
- }
- #endif // ODBCVER >= 0x0000