Re: [Tracker] sparql function

[Martyn Russell <martyn lanedo com>]

On 10/12/12 18:34, Putinei Ionut wrote:
> Hello,

Hello,

> I have to implement a search on tracker sparql over a column holding how
> a word is pronounced.
> It is for asian characters.For example i have  this string "äçä" that
> is pronounced "LeJianTi".
> When i do search  i am refering to a operator "like" is have to search
> to a valib group......so the first character must always be upper case.
> Search for "Len" should return the result  but the search after "eJian"
> should not return nothing.
>
> What i am thinking:
> -write  search function in sqlite engine for this job but i don't know
> how to get that function to sparql  layer.
>
> Does sparql have some  interface to implement for a new funtion?

Not dynamically sadly,

You would likely have to play with:

  src/libtracker-data/tracker-db-interface-sqlite.c

and/or:

  src/libtracker-data/tracker-sparql-expression.vala

to add a new function.

> If you guys have another idea please share it.

Not at hand. Sorry.

--
Regards,
Martyn

Founder and CEO of Lanedo GmbH.