Re: R: Table get is slow

On 17/09/2007, <Antonio.DiBacco@technolabs.it> wrote:
> > I found that getting tables managed by my subagent is really slow,
> > asking a particular column of a row involves iterating over all the
> > rows.
> > Is it possible to speed up this process?
>
> I'm using table iterator and my subagent is written in C++.

The iterator helper is designed for tables which are held in
"non-sorted" order, so it will iterate through *all* the rows for
each individual request. That's why it's called "table_iterator".

As you have recognised, this is not particularly efficient.
You might find one of the other table helpers a more appropriate
choice. I'd suggest you look at 'table_tdata' - either allowing the
helper to hold the table data itself, or else caching a local copy
on a regular basis.
In either case, you should find this a more efficient implementation.

Or you could look at the MfD framework.

Dave

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