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Re: [GNUe] Problem with datetime in updates

From: James Thompson
Subject: Re: [GNUe] Problem with datetime in updates
Date: Mon, 29 Mar 2004 01:08:55 +0000
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>  id | nick | name |          created           | ...
> ----+------+------+----------------------------+ ...
>  11 | f    | ff   | 2004-03-29 01:23:22.886056 | ...
>                                       ^^^^^^
> status='prop'
> i.e.: no decimal digits for seconds, so none record gets updated.
> ┬┐Any suggestion about how can I deal with it?

Yes.  I've seen this as well and forgot this would impact SuSE installs.  It 
seems that the pygresql returns timestamps as rounded strings.  Since 
gnue-common cannot assume that the underlying database provides any type of 
unique row id or a primary key it performs the update using the original 
values retrieved in the where clause to find the correct row.  The rounded 
string causes that match to fail on any table w/ a timestamp field.

The psycopg driver returns timestamps as DateTime objects which do not lose 
precision so allow the update to work.  This is the solution I have used for 
my production installs.

I just did a quick look over the python dbsig api docs and didn't see a way to 
specify return type.  Maybe someone here knows another way to get what we 
need from the python driver.

Take Care,

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