SQLGetDataTest.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:10k
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 SQLGetDataTest.cpp
- */
- #include <common.hpp>
- using namespace std;
- #define GD_MESSAGE_LENGTH 200
- SQLHSTMT GD_hstmt;
- SQLHENV GD_henv;
- SQLHDBC GD_hdbc;
- SQLHDESC GD_hdesc;
- void GetData_DisplayError(SQLSMALLINT GD_HandleType, SQLHSTMT GD_InputHandle);
- /**
- * Test to retrieve data for a single unbound column
- * in the current row of a result data set
- *
- * Tests:
- * -# Test1 There is no fetched rowset associated with S
- * -# Test2 column number is less than zero
- * -# Test3 fetched rowset is empty
- * @return Zero, if test succeeded
- */
- int SQLGetDataTest()
- {
- SQLRETURN retcode;
- SQLCHAR ColumnName;
- SQLINTEGER CustID;
- // SQLCHAR Name, Address, Phone;
- SQLCHAR SQLStmt [120];
- SQLCHAR SQLStmt1 [120];
- //************************************
- //** Allocate An Environment Handle **
- //************************************
- retcode = SQLAllocHandle(SQL_HANDLE_ENV,
- SQL_NULL_HANDLE,
- &GD_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(GD_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,
- GD_henv,
- &GD_hdbc);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a connection Handle!" << endl;
- // *******************
- // ** Connect to DB **
- // *******************
- retcode = SQLConnect(GD_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,
- GD_hdbc,
- &GD_hstmt);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a statement handle!" << endl;
- //*****************************
- //** Define SELECT statement **
- //*****************************
- strcpy((char *) SQLStmt, "SELECT * FROM Customers");
- //***********************************
- //** Prepare SELECT SQL statement **
- //***********************************
- retcode = SQLPrepare(GD_hstmt,
- SQLStmt,
- SQL_NTS);
- ndbout << endl << "Preparing SELECT, retcode = SQLprepare()= "
- << retcode << endl;
- //*********************************
- //** Execute prepared statement **
- //*********************************
- // if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- //{
- retcode = SQLExecute(GD_hstmt);
- ndbout << "Exexuting SELECT, retcode = SQLExecute()= "
- << retcode << endl;
- // if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- // {
- //*****************************************************************
- //** Test1 **
- //** There is no fetched rowset associated with S(SQL-statement) **
- //*****************************************************************
- retcode = SQLGetData(GD_hstmt,
- 1,
- SQL_C_SLONG,
- &CustID,
- sizeof(CustID),
- NULL);
- ndbout << "retcode = SQLGetData()= " << retcode << endl;
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- {
- ndbout << endl << "Test 1:" << endl;
- ndbout << "There is no fetched rowset associated with SQL"
- << " statement. But system reported SUCCESS or"
- << " SUCCESS_WITH_INFO. Please check the function!" << endl;
- GetData_DisplayError(SQL_HANDLE_STMT, GD_hstmt);
- }
- else if (retcode == SQL_ERROR)
- {
- ndbout << endl << "Test 1:" << endl;
- ndbout << "There is no fetched rowset associated with SQL"
- << " statement. The system reported ERROR "
- << " The function is OK!" << endl;
- }
- else
- ndbout << endl;
- //*******************************
- //** Fetch Data from database **
- //*******************************
- retcode = SQLFetch(GD_hstmt);
- ndbout << endl
- << "Fetching after Executing SELECT, retcode = SQLFetch()= "
- << retcode << endl;
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- {
- //**************************************
- //** Test2 **
- //** column number is less than zero **
- //**************************************
- retcode = SQLGetData(GD_hstmt,
- 0,
- SQL_C_ULONG,
- &CustID,
- sizeof(CustID),
- NULL);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- {
- ndbout << "Test 2:" <<"Column number is less than zero"
- << " The system reported SUCCESS or SUCCESS_WITH_INFO."
- << " Check the function, please!" <<endl;
- GetData_DisplayError(SQL_HANDLE_STMT, GD_hstmt);
- }
- else if (retcode == SQL_ERROR)
- {
- ndbout << "Test 2:" << "Column number is less than zero."
- << " The system reported SQL_ERROR."
- << " The function is OK!" << endl;
- }
- else
- ndbout << endl;
- }
- // }
- // }
- //*****************************
- //** Define DELETE statement **
- //*****************************
- // strcpy((char *) SQLStmt1, "DELETE FROM Customers");
- strcpy((char *) SQLStmt1, "DELETE FROM Customers WHERE CustID = 568 AND Name = 'Hans Peter'");
- //***********************************
- //** Prepare DELETE SQL statement **
- //***********************************
- retcode = SQLPrepare(GD_hstmt,
- SQLStmt1,
- SQL_NTS);
- ndbout << endl << "Preparing DELETE, retcode = SQLPrepare()= "
- << retcode << endl;
- //****************************************
- //** Execute prepared DELETE statement **
- //****************************************
- // if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- // {
- retcode = SQLExecute(GD_hstmt);
- ndbout << "Executing DELETE, retcode = SQLExecute()= "
- << retcode << endl;
- // if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- // {
- retcode = SQLFetch(GD_hstmt);
- ndbout << "Fetching after Executing DELETE, retcode = SQLExecute()= "
- << retcode << endl;
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- {
- //******************************************************
- //** Test3 **
- //** If the fetched rowset associated with **
- //** Statement is empty, condition is raised: NO DATA **
- //** We can delete all rows in table Customers for **
- //** this case **
- //******************************************************
- retcode = SQLGetData(GD_hstmt,
- 1,
- SQL_C_ULONG,
- &CustID,
- sizeof(CustID),
- NULL);
- if (retcode == SQL_ERROR)
- {
- ndbout << "Test 3:" << endl;
- ndbout << "The fetched rowset associated"
- << "with Statementhandle is empty. The system"
- << " reported SQL_ERROR. Check the function!" << endl;
- GetData_DisplayError(SQL_HANDLE_STMT, GD_hstmt);
- }
- else if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- {
- ndbout << "Test 3:" << endl;
- ndbout << "The fetched rowset associated"
- << "with Statementhandle is empty. The system"
- << " reported SUCCESS. Check the function!" << endl;
- GetData_DisplayError(SQL_HANDLE_STMT, GD_hstmt);
- }
- else if (retcode == 100)
- {
- ndbout << "Test 3:" << endl;
- ndbout << "The fetched rowset associated"
- << "with Statementhandle is empty. The system"
- << " reported SQL_NO_DATA. The function is OK!" << endl;
- }
- }
- else if (retcode == SQL_ERROR)
- {
- ndbout << "Test 3 falied!" << endl;
- GetData_DisplayError(SQL_HANDLE_STMT, GD_hstmt);
- }
- else
- ndbout << " " << endl;
- // }
- // }
- // *********************************
- // ** Disconnect and Free Handles **
- // *********************************
- SQLDisconnect(GD_hdbc);
- SQLFreeHandle(SQL_HANDLE_STMT, GD_hstmt);
- SQLFreeHandle(SQL_HANDLE_DBC, GD_hdbc);
- SQLFreeHandle(SQL_HANDLE_ENV, GD_henv);
- return NDBT_OK;
- }
- void GetData_DisplayError(SQLSMALLINT GD_HandleType, SQLHSTMT GD_InputHandle)
- {
- SQLSMALLINT i, MsgLen;
- SQLRETURN SQLSTATEs;
- SQLCHAR Sqlstate[5], Msg[GD_MESSAGE_LENGTH];
- SQLINTEGER NativeError;
- i = 1;
- ndbout << "-------------------------------------------------" << endl;
- ndbout << "Error diagnostics:" << endl;
- while ((SQLSTATEs = SQLGetDiagRec(GD_HandleType,
- GD_InputHandle,
- i,
- Sqlstate,
- &NativeError,
- Msg,
- sizeof(Msg),
- &MsgLen))
- != SQL_NO_DATA)
- {
- ndbout << "the HandleType is:" << GD_HandleType << endl;
- ndbout << "the InputHandle is :" << (long)GD_InputHandle << endl;
- ndbout << "Phone = " << (char *)Msg << endl;
- ndbout << "the output state is:" << (char *)Sqlstate << endl;
- i ++;
- break;
- }
- ndbout << "-------------------------------------------------" << endl;
- }