The problem is that the presence of a wildcard causes Solr to skip the usual token analysis. But... you could add a "multiterm" analyzer, and then the wildcard would just get treated as punctuation.
-- Jack Krupansky On Thu, Jan 22, 2015 at 4:33 PM, Jorge Luis Betancourt González < jlbetanco...@uci.cu> wrote: > Hello all, > > Currently we are using edismax query parser in an internal application, > we've detected that some wildcard queries including "*" are causing some > performance issues and for this particular case we're not interested in > allowing any user to request all the indexed documents. > > This could be easily escaped in the application level, but right now we > have several applications (using several programming languages) consuming > from Solr, and adding this into each application is kind of exhausting, so > I'm wondering if there is some configuration that allow us to treat this > special characters as normal alphanumeric characters. > > I've tried one solution that worked before, involving the > WordDelimiterFilter an the types attribute: > > <filter class="solr.WordDelimiterFilterFactory" generateWordParts="0" > generateNumberParts="0" catenateWords="0" > catenateNumbers="0" catenateAll="0" splitOnCaseChange="0" > preserveOriginal="0" types="characters.txt" /> > > and in characters.txt I've mapped the special characters into ALPHA: > > + => ALPHA > * => ALPHA > > Any thoughts on this? > > > --------------------------------------------------- > XII Aniversario de la creación de la Universidad de las Ciencias > Informáticas. 12 años de historia junto a Fidel. 12 de diciembre de 2014. > >
