list widget

Sarah Reichelt sarahr at
Sun Oct 10 23:14:03 EDT 2004

Hi Ben,

I don't think it is the list widget that is the problem. I think it 
just takes Rev a long time to retrieve a large amount of data from an 
SQL database, especially if it is a remote database. I have made the 
same mistake and set it to get all the data from a table with about 
25000 records and it took about a minute, but the data was being 
assembled in RAM and only put into the list field at the very end of 
the script. With Rev 2.5, I have never had it fail completely, just 
take a while.


On 11 Oct 2004, at 12:13 pm, VHD wrote:

> I have been doing some experiments with displaying information from a 
> database into the list widget.
> It looks like it does not handle large amounts of rows very well.
> It starts struggling when displaying more than 500 rows with 5 columns.
> Even though this is not a huge problem since one would not want so 
> many rows anyway, it does make me wonder how well the list widget is 
> implemented.
> The only reason I found this out was using Sarah Reichelt's MySQLtest 
> stack. I inadvertently selected a table that had 20 thousand rows and 
> it took for ever (i.e. after a few minutes I had to "kill" revolution 
> and start it up again.)
> That is when I started experimenting by placing a LIMIT on the sql 
> statements. I found that things started slowing down after 500 rows.
> Does anyone know if a better list widget is in the works? (or perhaps 
> I might be doing something wrong...)
> Thanks,
> Ben
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