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From: Carsten Dominik <carsten.dominik@gmail.com>
To: Tom <adatgyujto@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: Table formula changes are not always necessary when moving rows
Date: Mon, 7 Mar 2011 18:53:33 +0100	[thread overview]
Message-ID: <66C13CBC-3933-4F01-BADB-AA9CB42C16C3@gmail.com> (raw)
In-Reply-To: <loom.20110228T122543-741@post.gmane.org>

On 28.2.2011, at 12:43, Tom wrote:

> I have a table in which I sum the values of all rows in the last
> row: vsum(@1..@-I-1). The problem is when move a row with M-up
> before the first row (e.g. I press M-up on the second row) then
> org modifies this formula to vsum(@2..@-I-1).
> This is not always the expected behavior, because in this case I
> just want to move the data in the rows, but still want to sum the
> values of all the rows from the first to the last. A similar case
> is when I want to insert a row before the first row of such a
> table. In that case too the formulas should be left alone,
> because I still want to sum all the rows, including the newly
> inserted first row.
> In such cases when the formula is modified Org should either
> print warning to the echo area, so the user notices when the
> formulas are changing because of the move, or it should ask the
> user what to do ("do you want to modify the formulas?").

Aside to Bastien's help for this issue, a variable that will
prompt you before the formulas are rewritten, consider this:
Most of the time is should be possible to rewrite the formula
in a stable way.  You did not show your example, but from the
formula I would assume that you start the table immediately
with data, without a header line org a horizontal separator line.
If you did, you could do vsum(@I..II) and have a formula that is
stable against row switches.

Hope this helps.

- Carsten

  parent reply	other threads:[~2011-03-07 17:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-28 11:43 Tom
2011-03-05 22:40 ` Bastien
2011-03-07 17:53 ` Carsten Dominik [this message]
2011-03-07 18:38   ` Tom
2011-03-17  6:03 ` Carsten Dominik
2011-03-17 10:02   ` Christian Moe
2011-03-17 11:23     ` Carsten Dominik
2011-03-17 14:15   ` Nick Dokos
2011-03-20  8:48   ` Achim Gratz
2011-03-20  9:06     ` Carsten Dominik

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