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Added support for creating forward or backward scrolling cursors support at run-time versus compile time. Default behavior will be determined by wxODBC_FWD_ONLY_CURSORS set in setup.h

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4767 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
George Tasker
1999-11-29 19:20:53 +00:00
parent 0b72db08a7
commit a3439c7d16
4 changed files with 110 additions and 55 deletions
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94
src/common/dbtable.cpp
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@@ -461,31 +461,31 @@ bool wxTable::getRec(UWORD fetchType)
{
RETCODE retcode;
#if !wxODBC_FWD_ONLY_CURSORS
// Fetch the NEXT, PREV, FIRST or LAST record, depending on fetchType
UDWORD cRowsFetched;
UWORD rowStatus;
// if ((retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus)) != SQL_SUCCESS)
retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
if (retcode == SQL_NO_DATA_FOUND)
return(FALSE);
else
return(pDb->DispAllErrors(henv, hdbc, hstmt));
#else
// Fetch the next record from the record set
retcode = SQLFetch(hstmt);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
if (!pDb->FwdOnlyCursors())
{
if (retcode == SQL_NO_DATA_FOUND)
return(FALSE);
else
return(pDb->DispAllErrors(henv, hdbc, hstmt));
// Fetch the NEXT, PREV, FIRST or LAST record, depending on fetchType
UDWORD cRowsFetched;
UWORD rowStatus;
retcode = SQLExtendedFetch(hstmt, fetchType, 0, &cRowsFetched, &rowStatus);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
if (retcode == SQL_NO_DATA_FOUND)
return(FALSE);
else
return(pDb->DispAllErrors(henv, hdbc, hstmt));
}
else
{
// Fetch the next record from the record set
retcode = SQLFetch(hstmt);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
{
if (retcode == SQL_NO_DATA_FOUND)
return(FALSE);
else
return(pDb->DispAllErrors(henv, hdbc, hstmt));
}
}
#endif
// Completed successfully
return(TRUE);
@@ -660,6 +660,54 @@ bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
} // wxTable::QueryOnKeyFields()
/********** wxTable::GetPrev() **********/
bool wxTable::GetPrev(void)
{
if (pDb->FwdOnlyCursors())
{
wxFAIL_MSG(wxT("GetPrev()::Backward scrolling cursors are not enabled for this instance of wxTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_PRIOR));
} // wxTable::GetPrev()
/********** wxTable::operator-- **********/
bool wxTable::operator--(int)
{
if (pDb->FwdOnlyCursors())
{
wxFAIL_MSG(wxT("operator--:Backward scrolling cursors are not enabled for this instance of wxTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_PRIOR));
} // wxTable::operator--
/********** wxTable::GetFirst() **********/
bool wxTable::GetFirst(void)
{
if (pDb->FwdOnlyCursors())
{
wxFAIL_MSG(wxT("GetFirst():Backward scrolling cursors are not enabled for this instance of wxTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_FIRST));
} // wxTable::GetFirst()
/********** wxTable::GetLast() **********/
bool wxTable::GetLast(void)
{
if (pDb->FwdOnlyCursors())
{
wxFAIL_MSG(wxT("GetLast()::Backward scrolling cursors are not enabled for this instance of wxTable"));
return FALSE;
}
else
return(getRec(SQL_FETCH_LAST));
} // wxTable::GetLast()
/********** wxTable::GetSelectStmt() **********/
void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
{