SQLSetCursorNameTest.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:6k
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 */
- /**
- * @file SQLSetCursorNameTest.cpp
- */
- #include <common.hpp>
- using namespace std;
- #define SCN_MESSAGE_LENGTH 50
- SQLHSTMT SCN_hstmt;
- SQLHDESC SCN_hdesc;
- SQLHENV SCN_henv;
- SQLHDBC SCN_hdbc;
- void SCN_DisplayError(SQLSMALLINT SCN_HandleType,
- SQLHDESC SCN_InputHandle);
- /**
- * Test to assign a user-defined name to a cursor that is
- * associated with an active SQL statement handle
- *
- * Tests:
- * -# set user-defined cursor name to zero
- * -# set user-defined cursor name in normal case
- *
- * @return Zero, if test succeeded
- */
- int SQLSetCursorNameTest()
- {
- SQLRETURN retcode;
- SQLCHAR SQLStmt [120];
- SQLCHAR CursorName [80];
- SQLSMALLINT CNameSize;
- ndbout << endl << "Start SQLSetCursorName Testing" << endl;
- //************************************
- //** Allocate An Environment Handle **
- //************************************
- retcode = SQLAllocHandle(SQL_HANDLE_ENV,
- SQL_NULL_HANDLE,
- &SCN_henv);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated an environment Handle!" << endl;
- //*********************************************
- //** Set the ODBC application Version to 3.x **
- //*********************************************
- retcode = SQLSetEnvAttr(SCN_henv,
- SQL_ATTR_ODBC_VERSION,
- (SQLPOINTER) SQL_OV_ODBC3,
- SQL_IS_UINTEGER);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Set the ODBC application Version to 3.x!" << endl;
- //**********************************
- //** Allocate A Connection Handle **
- //**********************************
- retcode = SQLAllocHandle(SQL_HANDLE_DBC,
- SCN_henv,
- &SCN_hdbc);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a connection Handle!" << endl;
- // *******************
- // ** Connect to DB **
- // *******************
- retcode = SQLConnect(SCN_hdbc,
- (SQLCHAR *) connectString(),
- SQL_NTS,
- (SQLCHAR *) "",
- SQL_NTS,
- (SQLCHAR *) "",
- SQL_NTS);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Connected to DB : OK!" << endl;
- else
- {
- ndbout << "Failure to Connect DB!" << endl;
- return NDBT_FAILED;
- }
- //*******************************
- //** Allocate statement handle **
- //*******************************
- retcode = SQLAllocHandle(SQL_HANDLE_STMT,
- SCN_hdbc,
- &SCN_hstmt);
- if(retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a statement handle!" << endl;
- //************************
- //** Define a statement **
- //************************
- strcpy((char *) SQLStmt,
- "SELECT * FROM Customers WHERE Address = 'LM Vag 8'");
- //*************************
- //** Prepare a statement **
- //*************************
- retcode = SQLPrepare(SCN_hstmt,
- SQLStmt,
- SQL_NTS);
- //**********************************
- //** Set the cursor name with zero**
- //**********************************
- retcode = SQLSetCursorName(SCN_hstmt,
- (char *)"",
- SQL_NTS);
- if (retcode != SQL_SUCCESS)
- {
- ndbout << endl << "retcode =" << retcode << endl;
- SCN_DisplayError(SQL_HANDLE_STMT, SCN_hstmt);
- }
- //*************************
- //** Set the cursor name **
- //*************************
- retcode = SQLSetCursorName(SCN_hstmt,
- (char *)"Customer_CURSOR",
- SQL_NTS);
- if (retcode != SQL_SUCCESS)
- {
- ndbout << endl << "retcode =" << retcode << endl;
- SCN_DisplayError(SQL_HANDLE_STMT, SCN_hstmt);
- }
- //***************************
- //** Execute the statement **
- //***************************
- retcode = SQLExecute(SCN_hstmt);
- //**********************************************
- //** retrieve and display the new cursor name **
- //**********************************************
- retcode = SQLGetCursorName(SCN_hstmt,
- CursorName,
- sizeof(CursorName),
- &CNameSize);
- ndbout << endl << "The cursor name is : " << (char *) CursorName << endl;
- //****************
- // Free Handles **
- //****************
- SQLDisconnect(SCN_hdbc);
- SQLFreeHandle(SQL_HANDLE_STMT, SCN_hstmt);
- SQLFreeHandle(SQL_HANDLE_DBC, SCN_hdbc);
- SQLFreeHandle(SQL_HANDLE_ENV, SCN_henv);
- return NDBT_OK;
- }
- void SCN_DisplayError(SQLSMALLINT SCN_HandleType, SQLHDESC SCN_InputHandle)
- {
- SQLINTEGER NativeError;
- SQLCHAR Sqlstate[5], Msg[SCN_MESSAGE_LENGTH];
- SQLRETURN SQLSTATEs;
- SQLSMALLINT i, MsgLen;
- i = 1;
- ndbout << "-------------------------------------------------" << endl;
- ndbout << "Error diagnostics:" << endl;
- while ((SQLSTATEs = SQLGetDiagRec(SCN_HandleType,
- SCN_InputHandle, i,
- Sqlstate,
- &NativeError,
- Msg,
- sizeof(Msg),
- &MsgLen))
- != SQL_NO_DATA)
- {
- ndbout << "the HandleType is:" << SCN_HandleType << endl;
- ndbout << "the InputHandle is :" << (long)SCN_InputHandle << endl;
- ndbout << "the Msg is: " << (char *) Msg << endl;
- ndbout << "the output state is:" << (char *)Sqlstate << endl;
- i ++;
- }
- ndbout << "-------------------------------------------------" << endl;
- }