php - Weird behaviour matching exact phrases with sphinx -


i using sphinx search engine. need search exact words in field. works fine, there weird anomalies. 

$this->sphinxclient->query('@title "alfa romeo 159"~3', "indexads" );

i try this. if correctly understand searches field title , margin between words cannot bigger 2. user extended syntax of sphinx.

$this->sphinxclient->setarrayresult(true); $this->sphinxclient->setmatchmode(sph_match_extended2); $this->sphinxclient->setsortmode (sph_sort_relevance); if($category_id>0)     $this->sphinxclient->setfilter('category', array($category_id)); $this->sphinxclient->setfilter('status', array(1)); $this->sphinxclient->setlimits(0,50000); $this->sphinxclient->setfieldweights(array ("title"=>1000,"description"=>0));

this code use setup search. let me says filter absolutely not affect results want. use extended syntax, because sph_match_phrase doesnt not work way described @ all. extended syntax in doesnt work bad. search doesnt return results should match query. has else ever withnessed anomalies search engine or doing wrong. weird because have 2 fields same returns one.

alfa romeo, 159 sportwagon, 1.9 jtdm distinctive

alfa romeo, 159, sw progression 1.9jtdm

this our 2 values of field title, think both should match query yet first 1 does.

also when search audi a8 strings audi a6, audi a4 returned.


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