currently 5.1.6, working on upgrading.

I did some searching about in core and didn't see any instances where
records for that type are deleted.  Obviously I could have missed it,
hence my question.

Glad to know it can be truncated.

On Jan 25, 7:09 pm, Geoffrey Bowers <[email protected]> wrote:
> Sean,
>
> On 26/01/2010, at 11:01 AM, Sean Coyne wrote:
>
> > For certain setups the checkAncestorExists method is run many many
> > times per request and therefore there are many hits to the database.
> > Over time there are more and more records in this table, so each time
> > the query is run many records are returned.
>
> The table essentially stores information about view caching.  If you are not 
> caching views (and we all should be) then its probably doing a lot more work 
> than is needed.
>
> > For example:
>
> > I am looking at a request right now that returned over 150k rows from
> > the database.  The 30 slowest queries were all requests to the
> > dmWebskinAncestor table and they returned over 3000 records on each
> > query.
>
> > Can this table safely be truncated periodically?
>
> This table can be truncated as needed.
>
> > Does FarCry core manage it itself?
>
> It should be managing this table.  If its not then we ought to put something 
> in place to do so.  May be possible to truncate this table on App 
> initialisation.
>
> > It seems to me that the table would query much faster if there were
> > fewer rows.
>
> > Also perhaps the methods in dmWebskinAncestor should be refactored to
> > return only a single row.  The checkAncestorExists, for example, only
> > needs one row to return true.  Why return all the rows if they aren't
> > needed?
>
> Aye that doesn't sound too healthy.  What version of FarCry are you running?
>
> -- geoffhttp://www.daemon.com.au/

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