Re: Odd behaviour - *possible* ODBC bug?
От | Jonathan Stanford |
---|---|
Тема | Re: Odd behaviour - *possible* ODBC bug? |
Дата | |
Msg-id | 003201c021da$0b615850$8119fea9@w2kpro обсуждение исходный текст |
Ответ на | Re: Odd behaviour - *possible* ODBC bug? ("Hiroshi Inoue" <Inoue@tpf.co.jp>) |
Список | pgsql-odbc |
Hiroshi Your ::int works a treat. Thanks Jon ----- Original Message ----- From: "Hiroshi Inoue" <Inoue@tpf.co.jp> To: "Jonathan Stanford" <jstanford@iee.org> Cc: "pgsql-hackers" <pgsql-hackers@postgresql.org>; <pgsql-odbc@postgresql.org> Sent: Tuesday, September 18, 2001 4:12 AM Subject: Re: [ODBC] Odd behaviour - *possible* ODBC bug? > -----Original Message----- > From: Jonathan Stanford > > > Guys, > > > I have some odd behaviour with VB6 & postgresql that may be a bug - I > would appreciate someone else > > replicating this; or any other suggestions > anyone might have. > > [snip] > > > PostgreSQL code: > > > CREATE TABLE tb_search ( > > session_id int, > > emp_id int, > > rank int > > ); > > > and some data: > > > insert into tb_search (session_id , emp_id, rank) values (1,101, 5); > > [snip several insert commands] > > > VB Code: > > [snip] > > > sSQL = "SELECT emp_id, sum(rank) " > > sSQL = sSQL & "FROM tb_search " > > sSQL = sSQL & "ON e.emp_id = s.emp_id " > > sSQL = sSQL & "WHERE session_id = " & lSesh > > sSQL = sSQL & " GROUP BY emp_id " > > sSQL = sSQL & " ORDER BY sum(rank) DESC" > > > frmEmpSearch.Caption = sOrigCapt & " - retrieving results" > > Set rsEmps = New ADODB.Recordset > > rsEmps.CursorLocation = adUseClient 'adUseServer > > rsEmps.Open sSQL, DBConn, adOpenForwardOnly, adLockReadOnly > > I don't think it's an ODBC driver's bug. > The cause is that PostgreSQL returns NUMERIC type as sum(int). > > adUseClient for CursorLocation property indicates ADO to use > Microsoft Cursor Service for OLE DB. Microsoft Cursor service > seems to think that sum(rank) is of type int but PostgreSQL > returns NUMERIC type. I don't know what should be done here. > Please change sum(rank) -> sum(rank)::int and try. > > regards, > Hiroshi Inoue > > > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
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