[Xapian-discuss] Re: get_docid over multi-database search

[Kevin Duraj]

Andrey,

Did you measure the performance loss by searching two databases
instead of one database?
And if, how much slower is to search two databases compare to one database ?


_________________________________
  Kevin Duraj
  http://UncensoredWebSearch.com


On Nov 21, 2007 4:43 PM, Andrey <alpha04 at netvigator.com> wrote:
> Very Nice, thanks
>
> did_raw = (did_merged - 1) / number_of_databases + 1
>
> offset = did_merged % number_of_databases
>
> Cheers
> Andrey
>
>
>
>
> "Olly Betts" <olly at survex.com> wrote in message
> news:20071122001120.GJ3839 at survex.com...
>
> > On Wed, Nov 21, 2007 at 01:44:11PM -0800, Andrey wrote:
> >> say I have 2 databases, DB1 and DB2
> >>
> >> after i preformed a search over these 2 DBs, i have 1 result and I want
> >> to
> >> delete this resulting doc, how do i identify which database (DB1 / DB2)
> >> this
> >> document resides? and how to get its docid which is needed during the
> >> delete
> >> process
> >
> >
> > http://article.gmane.org/gmane.comp.search.xapian.general/1375
> >
> >> (delete process must over single writeableDatabase,right?)
> >
> > Yes, WritableDatabase doesn't currently allow multiple subdatabases.
> >
> > Cheers,
> >    Olly
> >
>
>
>
>
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>



-- 
Cheers
__________________________________
  Kevin Duraj
  http://UncensoredWebSearch.com