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|
// ////////////////////////////////////////////////
// INITIALIZE GRID 4 : TABLE ACCES //
////////////////////////////////////////////////////
SQLHDBC EU_Create_HdbcACCES(LPSTR pstrFileName )
{ CDaoDatabase m_database;
CString m_strDatabase;
CString m_strQuery;
CDaoTableDefInfo tdi;
int i, NumDial,NumWin,y, Result,nRows ;
char *szBuffer ;
SQLHDBC hdbc ; //hdbc
SQLRETURN nResult; //result code
SQLHSTMT hstmt ;
HENV henv;
RETCODE retcode;
BOOL IiSheet=FALSE;
CHAR szDSNName[SQL_MAX_DSN_LENGTH + 1];
CHAR szDSNNameDrivers[SQL_MAX_DSN_LENGTH + 1];
CHAR szLegalDSNName[SQL_MAX_DSN_LENGTH + 1];
CHAR szFileDSNName[1024];
char *pvaleur;
UWORD rgbValue;
HCURSOR hOldCursor;
y= SearchDialAndWin( hWndTBtnQuery4 ,&NumDial,&NumWin,2);
if(!y) { TRACEEU("Error Creation Window Query Load Table xls/mdb "); return 0;}
for(i=0;i < 40;i++)//init GRID
{
*(int *)Dialog[NumDial].TabCoordWinGrid[NumWin].InfoTable[i][1] =0;
AllocAddItemGridSql(2,i,NumDial,NumWin, "\0");
AllocAddItemGridSql(3,i,NumDial,NumWin, "mdb");
}
nRows=0;
try {
// non exclusif, lecture seule
m_database.Open(pstrFileName, FALSE, TRUE);
}
catch (CDaoException* e) {
::DaoErrorMsg(e);
e->Delete(); AfxDaoTerm(); // hyper important
return 0;
}
m_strDatabase = m_database.GetName();
// TRACEEU("Nom BDD = %s, \n",
// (const char*) m_strDatabase );
int nTables = m_database.GetTableDefCount();
for (int n = 0; n < nTables; n++) {
m_database.GetTableDefInfo(n, tdi);
if (tdi.m_strName.Left(4) != "MSys") {
szBuffer = strdup( tdi.m_strName);
AllocAddItemGridSql(2,nRows,NumDial,NumWin,(char *) szBuffer);
AllocAddItemGridSql(3,nRows,NumDial,NumWin, (char *)"MDB");
nRows++;
// TRACEEU("TABLE GRID4...%s ",(const char*) szBuffer);
}
}
m_database.Close(); // route ECHAP
AfxDaoTerm(); // hyper important
// Attributes & Operations
InvalidateRect(hWndTBtnQuery4,0,0);
ShowWindow(HwndTQueryChild4,SW_RESTORE);
SetForegroundWindow((HWND)HwndTQueryChild4);
hOldCursor = SetCursor(LoadCursor((HINSTANCE)NULL, IDC_WAIT));
SetCursor((LoadCursor((HINSTANCE)NULL, IDC_WAIT)));
ShowCursor(TRUE);
strcpy(SQLInfoDriver[5].EnvDatabaseSql,pstrFileName);
strcpy(SQLInfoDriver[5].VerSql,"MS Access Driver");
strcpy(SQLInfoDriver[5].VerDriver ,"25");
Format_Drivers_MDB();
SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv);
(void) SQLSetEnvAttr(henv, SQL_ATTR_ODBC_VERSION,
(SQLPOINTER) SQL_OV_ODBC3, SQL_IS_INTEGER);
retcode = SQLDrivers(henv,SQL_FETCH_FIRST,(unsigned char *) szDSNNameDrivers,
sizeof(szDSNNameDrivers), NULL, NULL, 0, NULL);
// recherche du driver
while(SQL_SUCCEEDED(retcode))
{
if(pvaleur = strstr( szDSNNameDrivers,"Access Driver"))
{
G_IncrDataSource++;
memcpy(szFileDSNName,"\0",MAXBUFLEN+1);
sprintf(szLegalDSNName,"%05d",G_IncrDataSource);
strcpy(szDSNName,"EndUser4gl");strcat(szDSNName,szLegalDSNName);
strcat(szFileDSNName,"DSN=");
strcat(szFileDSNName,szDSNName);strcat(szFileDSNName,";");
strcat(szFileDSNName,G_szFileDSNName);
y= strlen(szFileDSNName);
for(i = 0;i < y + 1 ;i++) {
if(!strncmp((char *) szFileDSNName+i,(char *)";",1))
szFileDSNName[i] ='\0' ;
}
strcat(szDSNName,"\0");
SQLRemoveDSNFromIni(szDSNName);
SQLConfigDataSource(NULL,ODBC_REMOVE_DSN, szDSNNameDrivers,szFileDSNName);
if(! SQLWriteDSNToIni(szDSNName, szDSNNameDrivers))
{ TRACEEU("1 Erreur SQLWriteDSNToIni %s", szDSNNameDrivers);
SQLFreeHandle(SQL_HANDLE_ENV, henv);
return 0;
}
if(!SQLConfigDataSource(NULL,ODBC_ADD_DSN, szDSNNameDrivers,szFileDSNName))
{ TRACEEU("4 Erreur SQLConfigDataSource %s", szDSNNameDrivers);
TRACEEU("4 Erreur SQLConfigDataSource %s", szFileDSNName);
SQLFreeHandle(SQL_HANDLE_ENV, henv);
SQLRemoveDSNFromIni(szDSNName);
return 0;
}
if ((nResult = SQLAllocHandle(SQL_HANDLE_DBC,henv, (SQLHDBC FAR *)&hdbc)) != SQL_SUCCESS) {
DisplayError(nResult, 0, SQL_HANDLE_ENV, henv);
SQLFreeHandle(SQL_HANDLE_ENV, henv);
SQLRemoveDSNFromIni(szDSNName);
SQLConfigDataSource(NULL,ODBC_REMOVE_DSN, szDSNNameDrivers,szFileDSNName);
SQLDisconnect(hdbc);
SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
return 0;
}
//test SQL_AUTOCOMMIT
nResult = SQLSetConnectAttr(hdbc,SQL_AUTOCOMMIT,(void *)SQL_AUTOCOMMIT_ON,SQL_IS_INTEGER);
if((nResult != SQL_SUCCESS ) )
{TRACEEU("PB03%d",nResult);
DisplayError(nResult, 0, SQL_HANDLE_STMT, hdbc);
return 0;
}
nResult = SQLSetConnectAttr(hdbc,SQL_ACCESS_MODE,(void *)SQL_MODE_READ_ONLY,SQL_IS_INTEGER);
if((nResult != SQL_SUCCESS ) )
{TRACEEU("PB02%d",nResult);
DisplayError(nResult, 0, SQL_HANDLE_STMT, hdbc);
return 0;
}
//test SQL_LOGIN_TIMEOUT
//the choice of 15 seconds for timeout is arbitrary
rgbValue = 15;
nResult = SQLSetConnectAttr(hdbc,SQL_LOGIN_TIMEOUT,(void *)&rgbValue ,SQL_IS_INTEGER);
if((nResult != SQL_SUCCESS ) )
{TRACEEU("PB04%d",nResult);
DisplayError(nResult, 0, SQL_HANDLE_STMT, hdbc);
return 0;
}
// CONNECTION ODBC/MDB BY TRANSPARENCY ******************************
nResult = SQLConnect(hdbc,(unsigned char *)szDSNName,SQL_NTS,(unsigned char *)"",\
SQL_NTS,(unsigned char *)"",SQL_NTS);
if(nResult == SQL_SUCCESS || nResult == SQL_SUCCESS_WITH_INFO)
{ // try to get a list of columns for the table
nResult = SQLAllocHandle(SQL_HANDLE_STMT,hdbc, (SQLHSTMT FAR *)&hstmt);
Result=0;
if(nResult == SQL_SUCCESS || nResult == SQL_SUCCESS_WITH_INFO)
{
G_hdbc = hdbc; // tres important
G_hstmt = hstmt; // tres important
strcpy( G_szDSNName,szDSNName);
strcpy( G_szDSNNameDrivers,szDSNNameDrivers) ;
strcpy( G_szFileDSNNameODBC,szFileDSNName) ;
G_henv = henv;
ExecuteSQLDialog( hdbc, hstmt,pstrFileName) ;
return hdbc;
}//if(nResult == SQL_SUCCESS
else
{
DisplayError(nResult, 0, SQL_HANDLE_STMT, hdbc);
SQLFreeHandle(SQL_HANDLE_ENV, henv);
SQLRemoveDSNFromIni(szDSNName);
SQLConfigDataSource(NULL,ODBC_REMOVE_DSN, szDSNNameDrivers,szFileDSNName);
SQLDisconnect(hdbc);
SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
MessageBox(0, INITERROR, EXECERROR, MB_OK|MB_ICONHAND);
return 0;
}
}// nResult = SQLConnect
else
{
DisplayError(nResult, 0, SQL_HANDLE_STMT, hdbc);
SQLFreeHandle(SQL_HANDLE_ENV, henv);
SQLRemoveDSNFromIni(szDSNName);
SQLConfigDataSource(NULL,ODBC_REMOVE_DSN, szDSNNameDrivers,szFileDSNName);
SQLDisconnect(hdbc);
SQLFreeHandle(SQL_HANDLE_DBC, hdbc);
MessageBox(0, INITERROR, EXECERROR, MB_OK|MB_ICONHAND);
}
break;
} //if Excel driver
retcode = SQLDrivers(henv,SQL_FETCH_NEXT,(unsigned char *) szDSNNameDrivers,
sizeof(szDSNNameDrivers), NULL, NULL, 0, NULL);
}// while
return 0 ;
}
int FAR PASCAL ExecuteSQLDialog(SQLHDBC hdbc, SQLHSTMT hstmt,char *szBuffer)
{
SWORD nCols = 0; // # of result columns
SWORD nCount; // index
SWORD swColType; // column data type
SWORD swColScale; // column scale
SWORD swColNull; // nullable column ?
SWORD swColLength = MAXDATALEN; // column data length
UDWORD udwColDef; // precision on the column
SQLRETURN nReturn; // return code
HCURSOR hOldCursor; // default cursor handle
int nRows,i=0,y,NumDial,NumWin; // # of result rows
MSG msg;
RECT rc;
// strcpy(szBuffer," SELECT * FROM clients WHERE clients.CODE_CLIEN like '*A*' ");
// change cursor shape to hour glass
//TRACEEU("%d Wait..........Please %s",strlen(szBuffer),szBuffer);
hOldCursor = SetCursor(LoadCursor((HINSTANCE)NULL, IDC_WAIT));
SetCursor((LoadCursor((HINSTANCE)NULL, IDC_WAIT)));
ShowCursor(TRUE);
nReturn =SQLPrepare(hstmt,(unsigned char *)szBuffer,strlen(szBuffer));
GlobalDoubleValResult = (double)nReturn;
if( nReturn != SQL_SUCCESS )
{
DisplayError(nReturn, hWndFrameSQL, SQL_HANDLE_STMT, hstmt);
while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))// hyper important :nettoyer
DispatchMessage (&msg) ;
SQLCloseCursor(hstmt);
SQLFreeStmt(hstmt, SQL_CLOSE);
GlobalDoubleValResult = -1;// no select
return EUError;
}
nReturn = SQLExecDirect(hstmt, (unsigned char *)szBuffer,strlen(szBuffer) );
GlobalDoubleValResult = (double)nReturn;
if(nReturn != SQL_SUCCESS )
{
DisplayError(nReturn, hWndFrameSQL, SQL_HANDLE_STMT, hstmt);
// if the return value was just information, carry on
// Close the open result set.
while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))// hyper important :nettoyer
DispatchMessage (&msg) ;
SetCursor(hOldCursor);
DestroyWindow(hWndFrameSQL) ;
SQLCloseCursor(hstmt);
SQLFreeStmt(hstmt, SQL_CLOSE);
// restore the cursor to default value
SetCursor(hOldCursor);
GlobalDoubleValResult = 1;
return EUError; ;
}
// call SQLNumResultCols to calculate the number of columns in
// the result set, if more than the MAX_COL (the array boundary)
// limit the number to MAX_COL and display truncation warning.
// if it is 0, the statement probably was a non-SELECT simply return
nReturn = SQLNumResultCols(hstmt, &nCols);
//printfEU(" nCols %d",nCols);STOP();STOP();STOP();
if ((nCols == 0) )
{ // if "INTO" in szBuffer
while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))// hyper important :nettoyer
DispatchMessage (&msg) ;
SQLCloseCursor(hstmt);
SetCursor(hOldCursor);
// DestroyWindow(hWndFrameSQL) ;
// restore the cursor to default value
SetCursor(hOldCursor);
if((strstr(szBuffer,"into")) || (strstr(szBuffer,"INTO")))
{ //printfEU("Find INTO............");
return GlobalDoubleValResult=0;//normal
}
else return GlobalDoubleValResult = 1;// not find
}
// TRACEEU("1 Cols.......... :%d",nCols);
y= SearchDialAndWin( hWndBtnSQL ,&NumDial,&NumWin,2);
if(!y) { TRACEEU("Error Creation Window Sql "); return EUError;}
AllocGridSql(2,nCols,64,26,NumDial,NumWin);
GetWindowRect(hWndFrameSQL,&rc);
y =((nCols + 1) * 160) +70 ;
if( y < rc.right){
SetWindowPos(hWndFrameSQL, NULL,\
rc.left, rc.top, y, rc.bottom,
SWP_NOZORDER | SWP_DRAWFRAME );
// Ascenseur horizontal : en bas, nouvelles dimensions
GetClientRect(hWndFrameSQL,&rc);
MoveWindow(Dialog[NumDial].TabCoordWinGrid[NumWin].hwndTableur[1],0,rc.bottom-96,\
rc.right-86,16,0);
// Ascenseur vertical : à droite, nouvelles dimensions
MoveWindow(Dialog[NumDial].TabCoordWinGrid[NumWin].hwndTableur[2],rc.right-86,\
Dialog[NumDial].TabCoordWinGrid[NumWin].HeightGrid,16,rc.bottom-96-Dialog[NumDial].TabCoordWinGrid[NumWin].HeightGrid,0);
}
// call SQLBindCol to bind column data array and column data length
// array to the result set
SQLSetStmtAttr(hstmt, SQL_ATTR_ROW_BIND_TYPE, SQL_BIND_BY_COLUMN, 0);
for(nCount=1, szBuffer[0]='\0'; nCount <= nCols; nCount++) {
SQLDescribeCol(hstmt, nCount,(unsigned char *) szBuffer, MAXDATALEN, &swColLength, &swColType, &udwColDef,
&swColScale, &swColNull);
SQLBindCol(hstmt, (UWORD)(nCount), SQL_C_CHAR,(void *)szBuffer, MAXDATALEN, &dwDataLen);
AllocColumnGridSqlPUSHBUTTON(NumDial,NumWin);
AllocColumnGridSql(nCount,NumDial,NumWin,szBuffer);
}
// call SQLFetch to fetch each row of the result set. Extract data
// value and store it in the display buffer, separated by tabs.
// continue until SQLFetch fails.
// CenterWindow(hWndFrameSQL);
y=0;
// SQLFECTHSCROLL ***************************************************************
for(nRows = 0; (nReturn = SQLFetchScroll(hstmt,SQL_FETCH_NEXT,0))==SQL_SUCCESS \
|| nReturn==SQL_SUCCESS_WITH_INFO;) {
if(nRows >1 ){
Dialog[NumDial].TabCoordWinGrid[NumWin].LigneAColler =nRows ;
Dialog[NumDial].TabCoordWinGrid[NumWin].LigneClicDroit =nRows ;
CopierLigne(NumDial, NumWin);
CollerLigne(NumDial, NumWin);
}
else
AllocMallocItemGridSql(nRows,NumDial,NumWin);
for(nCount=1; szBuffer[0]='\0', nCount<= nCols+1 ; nCount++) {
SQLGetData(hstmt, (UWORD)(nCount), SQL_C_CHAR,(unsigned char *) szBuffer,\
MAXDATALEN, &dwDataLen );
AllocAddItemGridSql(nCount,nRows,NumDial,NumWin, (char *)szBuffer);
y++;
}
if(nRows<10) //visual express
{ Dialog[NumDial].TabCoordWinGrid[NumWin].NbLines =nRows +1;
Dialog[NumDial].TabCoordWinGrid[NumWin].StructureNbLignes=nRows +1;//tres important
CenterWindow(hWndFrameSQL);
ShowWindow(hWndFrameSQL, SW_SHOWNORMAL) ;
UpdateWindow(hWndFrameSQL);
}
nRows++;
}
Dialog[NumDial].TabCoordWinGrid[NumWin].NbLines =nRows ;
Dialog[NumDial].TabCoordWinGrid[NumWin].StructureNbLignes=nRows ;//tres important
CenterWindow(hWndFrameSQL);
ShowWindow(hWndFrameSQL, SW_SHOWNORMAL) ;
i= UpdateWindow(hWndFrameSQL);
SQLCloseCursor(hstmt); //important laisser en commentaire voir Query.cpp
SQLFreeStmt(hstmt, SQL_UNBIND);
while (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
DispatchMessage (&msg) ;
// restore the cursor to default value
SetCursor(hOldCursor);
GlobalDoubleValResult = 0;
return msg.wParam;
} |
