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Re: changed behavior in libpq odbc driver

From: Marko Ristola <marko(dot)ristola(at)kolumbus(dot)fi>
Cc: pgsql-odbc(at)postgresql(dot)org
Subject: Re: changed behavior in libpq odbc driver
Date: 2005-08-21 14:36:01
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-odbc
Please check, but ODBC 3 should return SQL_NO_DATA, when
no data has been updated.

ODBC 2 should return SQL_SUCCESS wether any rows were updated, or not.

So it depends on the ODBC standard, that the client program chooses.

Marko Ristola

Scot Loach wrote:

>I'm not sure whether the old driver or the new one is correct.
>When executing an UPDATE query with a WHERE clause, if the WHERE clause does not match any rows, the old driver returns SQL_NO_DATA.  The new driver returns SQL_SUCCESS.
>---------------------------(end of broadcast)---------------------------
>TIP 9: In versions below 8.0, the planner will ignore your desire to
>       choose an index scan if your joining column's datatypes do not
>       match

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