Skip site navigation (1) Skip section navigation (2)

Re: BUG - possible UPDATE bug in multi-record?

From: Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>
To: Keith Gray <keith(at)heart(dot)com(dot)au>
Cc: ODBC <pgsql-odbc(at)postgresql(dot)org>
Subject: Re: BUG - possible UPDATE bug in multi-record?
Date: 2001-10-18 06:07:32
Message-ID: 3BCE71A4.7863BB4C@tpf.co.jp (view raw or flat)
Thread:
Lists: pgsql-odbc
Keith Gray wrote:
> 
> Using this style of command through an SQL tool it
> decrements each row in the list by 1 cent.
> 
> UPDATE GeneralLedger
> SET CBalPer0 = CBalPer0 + (-0.01),
> PBalPer0 = PBalPer0 + (-0.01)
> WHERE AccountSequence IN (56,54,3,2)
> 
> (I only use the brackets to handle sign of amount
> as in next example)
> 
> Trying to execute it through ODBC...

Please start the postmaster with -d option and
see what queries are issued at backend ?

> 
>         Amount = -0.01
>         AccountSequence = "(56,54,3,2)"

Isn't it * AccountSequenceList = "(56,54,3,2)" * ?

regards,
Hiroshi Inoue

>         SQL= "UPDATE GeneralLedger " & _
>              "SET CBalPer0 = CBalPer0 + (" & Amount & "), " & _
>              "PBalPer0 = PBalPer0 + (" & Amount & ") " & _
>              "WHERE AccountSequence IN " & AccountSequenceList
> 
>         myConnection.Execute(SQL)
> 
> ...causes movements in other accounts and incorrect balances!
> 
> I am trying with 2 separate UPDATE statements...
> 
>         SQL= "UPDATE GeneralLedger " & _
>              "SET CBalPer0 = CBalPer0 + (" & Amount & "), " & _
>              "WHERE AccountSequence IN " & AccountSequenceList
> 
>         myConnection.Execute(SQL)
> 
>         SQL= "UPDATE GeneralLedger " & _
>              "SET PBalPer0 = PBalPer0 + (" & Amount & ") " & _
>              "WHERE AccountSequence IN " & AccountSequenceList
> 
>         myConnection.Execute(SQL)
> 
> ...and yes this does work.
> 
> --
> Keith Gray

In response to

pgsql-odbc by date

Next:From: Raymond LeungDate: 2001-10-18 11:30:53
Subject: Support for Special Big5 double-byte characters
Previous:From: Fábio SatoDate: 2001-10-18 05:53:52
Subject: ODBC Performance

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group