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List:       freetds
Subject:    RE: [freetds] SQLRowCount
From:       ZIGLIO Frediano <Frediano.Ziglio () vodafoneomnitel ! it>
Date:       2003-03-31 9:13:16
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> 
> This should be about right for SQLRowCount..
> 
> RowCount is normally the number of rows effected by update ops.
> The odbc documentation mentions if rowcount is not avaliable 
> you should
> return -1.
> 
> With the driver rowcounts for SELECTs are not avaliable until 
> after you've
> downloaded all rows from the database.  Set -1 initially so those who
> check for a count initially won't be confused.
> 
> Have Fun!
> Peter
> 
> SQLRowCount(SQLHSTMT hstmt, SQLINTEGER FAR * pcrow)
> ...
> 
> 	tds = stmt->hdbc->tds_socket;
> 	if (tds->rows_affected == TDS_NO_COUNT)
> 		{
> 		if (tds->res_info != NULL)
> 			{
> 			if (tds->res_info->row_count == 0)
> 				*pcrow = -1;
> 			else
> 				*pcrow = tds->res_info->row_count;
> 			}
> 		else
> 			*pcrow = -1;
> 		}
> 	else
> 		*pcrow = tds->rows_affected;
> 	return SQL_SUCCESS;
> 

Applied.
As usual a good patch, thanks Peter

freddy77

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