int CppSQLite3Statement::execDML()
{
checkDB();
checkVM();
int nRet = sqlite3_step(mpVM);
if (nRet == SQLITE_DONE)
{
int nRowsChanged = sqlite3_changes(mpDB);
nRet = sqlite3_reset(mpVM);
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
return nRowsChanged;
}
else
{
nRet = sqlite3_reset(mpVM);
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
}
void CppSQLite3DB::open(LPCTSTR szFile)
{
int nRet;
#ifndef IN_MEMORY_DB
#if defined(_UNICODE) || defined(UNICODE)
nRet = sqlite3_open16(szFile, &mpDB); // not tested under window 98
#else // For Ansi Version
//*************- Added by Begemot szFile must be in unicode- 23/03/06 11:04 - ****
OSVERSIONINFOEX osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
GetVersionEx ((OSVERSIONINFO *) &osvi);
if ( osvi.dwMajorVersion == 5)
{
WCHAR pMultiByteStr[MAX_PATH+1];
MultiByteToWideChar( CP_ACP, 0, szFile,
_tcslen(szFile)+1, pMultiByteStr,
sizeof(pMultiByteStr)/sizeof(pMultiByteStr[0]) );
nRet = sqlite3_open16(pMultiByteStr, &mpDB);
}
else
nRet = sqlite3_open(szFile,&mpDB);
#endif
//*************************
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
#else
nRet = sqlite3_open16(":memory:", &mpDB);
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
// Attach the backup to the in memory
nRet = sqlite3_exec(mpDB, "ATTACH DATABASE 'H:\\Users\\tomy\\AppData\\Roaming\\Benubird\\Benubird.db' as Benubird",
NULL, NULL, NULL);
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
#endif
setBusyTimeout(mnBusyTimeoutMs);
//int lsave = sqlite3_threadsafe();
}
CppSQLite3Query CppSQLite3DB::execQuery(LPCTSTR szSQL)
{
checkDB();
int nRet;
sqlite3_stmt* pVM;
do{
pVM = compile(szSQL);
nRet = _sqlite3_step(pVM);
if (nRet == SQLITE_DONE)
{ // no rows
return CppSQLite3Query(mpDB, pVM, true/*eof*/);
}
else if (nRet == SQLITE_ROW)
{ // at least 1 row
return CppSQLite3Query(mpDB, pVM, false/*eof*/);
}
nRet = _sqlite3_finalize(pVM);
}
while( nRet == SQLITE_SCHEMA ); // Edit By Begemot 08/16/06 12:44:35 - read SQLite FAQ
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
int CppSQLite3DB::execDML(LPCTSTR szSQL)
{
int nRet;
sqlite3_stmt* pVM;
checkDB();
//int nReturn;
do{
pVM = compile(szSQL);
nRet = _sqlite3_step(pVM);
//nReturn = nRet;
if (nRet == SQLITE_ERROR)
{
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
nRet = _sqlite3_finalize(pVM);
}
while( nRet == SQLITE_SCHEMA );
return nRet;
//return nReturn;
}
void CppSQLite3DB::open(LPCTSTR szFile)
{
int nRet;
#if defined(_UNICODE) || defined(UNICODE)
nRet = sqlite3_open16(szFile, &mpDB); // not tested under window 98
#else // For Ansi Version
//*************- Added by Begemot szFile must be in unicode- 23/03/06 11:04 - ****
OSVERSIONINFOEX osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
GetVersionEx ((OSVERSIONINFO *) &osvi);
if ( osvi.dwMajorVersion == 5)
{
WCHAR pMultiByteStr[MAX_PATH+1];
MultiByteToWideChar( CP_ACP, 0, szFile,
_tcslen(szFile)+1, pMultiByteStr,
sizeof(pMultiByteStr)/sizeof(pMultiByteStr[0]) );
nRet = sqlite3_open16(pMultiByteStr, &mpDB);
}
else
nRet = sqlite3_open(szFile,&mpDB);
#endif
//*************************
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
setBusyTimeout(mnBusyTimeoutMs);
}
void CppSQLite3Query::finalize()
{
if (mpVM && mbOwnVM)
{
int nRet = _sqlite3_finalize(mpVM);
mpVM = 0;
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR)_sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
}
}
void CppSQLite3Statement::reset()
{
if (mpVM)
{
int nRet = sqlite3_reset(mpVM);
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
}
}
sqlite3_stmt* CppSQLite3DB::compile(LPCTSTR szSQL)
{
checkDB();
sqlite3_stmt* pVM;
int nRet = _sqlite3_prepare(mpDB, szSQL, -1, &pVM, NULL);
if (nRet != SQLITE_OK)
{
pVM=NULL;
LPCTSTR szError = (LPCTSTR) _sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
return pVM;
}
void CppSQLite3DB::close()
{
if (mpDB)
{
int nRet = _sqlite3_close(mpDB);
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR)_sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
mpDB = 0;
}
}
void CppSQLite3DB::close()
{
if (mpDB)
{
#ifndef IN_MEMORY_DB
// sqlite3_exec(mpDB, "DETACH DATABASE backup", NULL, NULL, NULL);
#endif
int nRet = _sqlite3_close(mpDB);
if (nRet != SQLITE_OK)
{
LPCTSTR szError = (LPCTSTR)_sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
mpDB = 0;
}
}
void CppSQLite3Query::nextRow()
{
checkVM();
int nRet = _sqlite3_step(mpVM);
if (nRet == SQLITE_DONE)
{
// no rows
mbEof = true;
}
else if (nRet == SQLITE_ROW)
{
// more rows, nothing to do
}
else
{
nRet = _sqlite3_finalize(mpVM);
mpVM = 0;
LPCTSTR szError = (LPCTSTR)_sqlite3_errmsg(mpDB);
throw CppSQLite3Exception(nRet, (LPTSTR)szError, DONT_DELETE_MSG);
}
}
LPCTSTR
CDbSQLite::LastError()
{
m_szText = (LPCTSTR)_sqlite3_errmsg(m_db);
return m_szText;
}
