I can recommend our Wiki article on indexing [1]; it should answer some of your questions.
Best,
Christian[1] http://docs.basex.org/wiki/Indexes
Am 19.11.2013 00:51 schrieb "easy" <lin_xd@126.com>:
>
> Thanks.
>
> but there is some way to create path/range index manually?
>
>
>
>
> --
> 此致
>
> easy
>
> 莫愁前路无知己，天下谁人不识君。
>
>
> At 2013-11-19 04:02:28,"Christian Grün" <christian.gruen@gmail.com> wrote:
> >Hi Easy,
> >
> >> I found the @attribute='value' operation will fast after create attribute
> >> index, but function like matches,contains,starts-with has no effect even
> >> after create text index.
> >> how to optimum it , how to create path index, range index?
> >
> >matches() works on arbitrary regular expressions, which is why a value
> >index won’t be of any help. contains() is difficult, too, because it
> >allows you to search for arbitrary substrings. starts-with() could
> >indeed be rewritten to take advantage of an index structure, but this
> >hasn’t been done yet.
> >
> >Christian
>
>
>