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/* 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; version 2 of the License.
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 SQLNumResultColsTest.cpp
*/
#include <common.hpp>
using namespace std;
#define NRC_MESSAGE_LENGTH 200
SQLHSTMT NRC_hstmt;
SQLHSTMT NRC_hdbc;
SQLHENV NRC_henv;
SQLHDESC NRC_hdesc;
void SQLNumResultColsTest_DisplayError(SQLSMALLINT NRC_HandleType,
SQLHSTMT NRC_InputHandle);
/**
* Test returning descriptor information
*
* Tests:
* -# Testing how many columns exist in the result data set
*
* @return Zero, if test succeeded
*/
int SQLNumResultColsTest()
{
SQLRETURN retcode;
SQLSMALLINT NumColumns;
SQLCHAR SQLStmt[NRC_MESSAGE_LENGTH];
ndbout << endl << "Start SQLNumResultCols Testing" << endl << endl;
//**************************************************************
//** If there is no prepared or executed statement associated **
//** with SQL-statement **
//**************************************************************
retcode = SQLNumResultCols(NRC_hstmt, &NumColumns);
if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO)
{
SQLNumResultColsTest_DisplayError(SQL_HANDLE_STMT, NRC_hstmt);
}
//************************************
//** Allocate An Environment Handle **
//************************************
retcode = SQLAllocHandle(SQL_HANDLE_ENV,
SQL_NULL_HANDLE,
&NRC_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(NRC_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,
NRC_henv,
&NRC_hdbc);
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
ndbout << "Allocated a connection Handle!" << endl;
// *******************
// ** Connect to DB **
// *******************
retcode = SQLConnect(NRC_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,
NRC_hdbc,
&NRC_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");
// strcpy((char *) SQLStmt,
// "INSERT INTO Customers (CustID, Name, Address, Phone) VALUES (7, 'pet', 'LM vag 8', '88888')");
//*******************************************
//** Prepare and Execute the SQL statement **
//*******************************************
retcode = SQLExecDirect(NRC_hstmt,
SQLStmt,
SQL_NTS);
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) {
//*****************************************************
//** Only general error test. It is not in test rule **
//*****************************************************
retcode = SQLNumResultCols(NRC_hstmt, &NumColumns);
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
{
ndbout << endl << "Number of columns in the result data set" << endl;
ndbout << NumColumns << endl;
}
else
SQLNumResultColsTest_DisplayError(SQL_HANDLE_STMT, NRC_hstmt);
}
// *********************************
// ** Disconnect and Free Handles **
// *********************************
SQLDisconnect(NRC_hdbc);
SQLFreeHandle(SQL_HANDLE_STMT, NRC_hstmt);
SQLFreeHandle(SQL_HANDLE_DBC, NRC_hdbc);
SQLFreeHandle(SQL_HANDLE_ENV, NRC_henv);
return NDBT_OK;
}
void SQLNumResultColsTest_DisplayError(SQLSMALLINT NRC_HandleType,
SQLHSTMT NRC_InputHandle)
{
SQLRETURN SQLSTATEs;
SQLINTEGER NativeError;
SQLSMALLINT i, MsgLen;
SQLCHAR Msg[NRC_MESSAGE_LENGTH],Sqlstate[5];
i = 1;
ndbout << "-------------------------------------------------" << endl;
ndbout << "Error diagnostics:" << endl;
while ((SQLSTATEs = SQLGetDiagRec(NRC_HandleType,
NRC_InputHandle,
i,
Sqlstate,
&NativeError,
Msg,
sizeof(Msg),
&MsgLen))
!= SQL_NO_DATA)
{
ndbout << "the HandleType is:" << NRC_HandleType << endl;
ndbout << "the InputHandle is :" << (long)NRC_InputHandle << endl;
ndbout << "the Msg is: " << (char *)Msg << endl;
ndbout << "the output state is:" << (char *)Sqlstate << endl;
i ++;
break;
}
ndbout << "-------------------------------------------------" << endl;
}
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