В сообщении от Wednesday 18 June 2008 22:44:16 Dennis Cote написал(а):
> Alexey Pechnikov wrote:
> > I find get only _one_ row. I found correspond timestamp by other
> > questions. I don't want get more than one row.
>
> In that case you would be better off to get the rowid of that row using
> the other questions. Then you can get the row of interest directly using
> the rowid.
>

I'm replicating my database using sqlite dump and load or sql queries. I'm not 
sure that rowid is not different after that.

> You should not be linking rows using timestamps, but if you must, it is
> important to avoid calculations with and conversions to and from
> floating point. If you retrieve a floating point value from one query
> and pass it back as a parameter to another query, you should ensure that
> it remains as double all along the way.
>
>    double time = sqlite3_column_double(s1, 1);
>
>    sqlite3_bind_double(s2, 1, time);
>
> If you do this, it should be possible to compare these values for
> floating point equality.

Can I do it from tcl? And how use index?
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