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/***************************************************************************
my_utility.h - description
-------------------
begin : Fri Nov 2 2001
copyright : (C) MySQL AB 1995-2002, www.mysql.com
author : venu ( venu@mysql.com )
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
/***************************************************************************
* *
* MySQL ODBC 3.51 Driver - samples utility header *
* *
***************************************************************************/
#ifndef __TMYODBC_UTILITY_H__
#define __TMYODBC_UTILITY_H__
#ifdef HAVE_CONFIG_H
#include <myconf.h>
#endif
#ifdef WIN32
#include <windows.h>
#endif
/* STANDARD C HEADERS */
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
/* ODBC HEADERS */
#include <sql.h>
#include <sqlext.h>
#ifndef NULL
#define NULL 0
#endif
#ifndef ushort
#define ushort unsigned short
#endif
#ifndef bool
#define bool unsigned char
#endif
#ifndef true
#define true 1
#endif
#ifndef false
#define false 0
#endif
#define MAX_NAME_LEN 95
#define MAX_COLUMNS 255
#define MAX_ROW_DATA_LEN 255
SQLCHAR *mydsn = "myodbc3";
SQLCHAR *myuid = "venu";
SQLCHAR *mypwd = "venu";
/* PROTOTYPE */
void myerror(SQLRETURN rc,SQLSMALLINT htype, SQLHANDLE handle);
/* UTILITY MACROS */
#define myenv(henv,r) \
if ( ((r) != SQL_SUCCESS) ) \
myerror(r, 1,henv); \
assert( ((r) == SQL_SUCCESS) || ((r) == SQL_SUCCESS_WITH_INFO) )
#define myenv_err(henv,r,rc) \
if ( rc == SQL_ERROR || rc == SQL_SUCCESS_WITH_INFO ) \
myerror(rc, 1, henv); \
assert( r )
#define mycon(hdbc,r) \
if ( ((r) != SQL_SUCCESS) ) \
myerror(r, 2, hdbc); \
assert( ((r) == SQL_SUCCESS) || ((r) == SQL_SUCCESS_WITH_INFO) )
#define mycon_err(hdbc,r,rc) \
if ( rc == SQL_ERROR || rc == SQL_SUCCESS_WITH_INFO ) \
myerror(rc, 2, hdbc); \
assert( r )
#define mystmt(hstmt,r) \
if ( ((r) != SQL_SUCCESS) ) \
myerror(r, 3, hstmt); \
assert( ((r) == SQL_SUCCESS) || ((r) == SQL_SUCCESS_WITH_INFO) )
#define mystmt_err(hstmt,r,rc) \
if ( rc == SQL_ERROR || rc == SQL_SUCCESS_WITH_INFO ) \
myerror(rc, 3, hstmt); \
assert( r )
/********************************************************
* MyODBC 3.51 error handler *
*********************************************************/
void myerror(SQLRETURN rc, SQLSMALLINT htype, SQLHANDLE handle)
{
SQLRETURN lrc;
if( rc == SQL_ERROR || rc == SQL_SUCCESS_WITH_INFO )
{
SQLCHAR szSqlState[6],szErrorMsg[SQL_MAX_MESSAGE_LENGTH];
SQLINTEGER pfNativeError;
SQLSMALLINT pcbErrorMsg;
lrc = SQLGetDiagRec(htype, handle,1,
(SQLCHAR *)&szSqlState,
(SQLINTEGER *)&pfNativeError,
(SQLCHAR *)&szErrorMsg,
SQL_MAX_MESSAGE_LENGTH-1,
(SQLSMALLINT *)&pcbErrorMsg);
if(lrc == SQL_SUCCESS || lrc == SQL_SUCCESS_WITH_INFO)
printf("\n [%s][%d:%s]\n",szSqlState,pfNativeError,szErrorMsg);
}
}
/********************************************************
* MyODBC 3.51 connection handler *
*********************************************************/
void myconnect(SQLHENV *henv,SQLHDBC *hdbc, SQLHSTMT *hstmt)
{
SQLRETURN rc;
printf("\nmyconnect:\n");
rc = SQLAllocHandle(SQL_HANDLE_ENV,SQL_NULL_HANDLE,henv);
myenv(*henv,rc);
rc = SQLSetEnvAttr(*henv,SQL_ATTR_ODBC_VERSION,(SQLPOINTER)SQL_OV_ODBC3,0);
myenv(*henv,rc);
rc = SQLAllocHandle(SQL_HANDLE_DBC,*henv, hdbc);
myenv(*henv,rc);
printf(" connecting to '%s' with user name '%s'...\n",mydsn,myuid);
rc = SQLConnect(*hdbc, mydsn, SQL_NTS, myuid, SQL_NTS, mypwd, SQL_NTS);
mycon(*hdbc,rc);
rc = SQLSetConnectAttr(*hdbc,SQL_ATTR_AUTOCOMMIT,(SQLPOINTER)SQL_AUTOCOMMIT_ON,0);
mycon(*hdbc,rc);
rc = SQLAllocHandle(SQL_HANDLE_STMT,*hdbc,hstmt);
mycon(*hdbc,rc);
printf(" success!!\n");
}
/********************************************************
* MyODBC 3.51 closes the connection *
*********************************************************/
void mydisconnect(SQLHENV *henv,SQLHDBC *hdbc, SQLHSTMT *hstmt)
{
SQLRETURN rc;
printf("\nmydisconnect:\n");
rc = SQLFreeStmt(*hstmt, SQL_DROP);
mystmt(*hstmt,rc);
rc = SQLDisconnect(*hdbc);
mycon(*hdbc,rc);
rc = SQLFreeConnect(*hdbc);
mycon(*hdbc,rc);
rc = SQLFreeEnv(*henv);
myenv(*henv,rc);
printf(" success!!\n");
}
#endif /* __TMYODBC_UTILITY_H__ */
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