EdgeNGramFilterFactory not working? Solr 5.3.1

[Daniel Valdivia]

Hi,

I'm trying to get the EdgeNGramFilterFactory filter to work on a certain field, 
however after defining the fieldType, creating a field for it and copying the 
source, this doesn't seem to be working.

One catch here, that I'm not sure if it's affecting the outcome is that none of 
my fields are stored, everything but the document id in my index is stored=false

I'm using Solr 5.3.1, and I know in my corpus the word "incident" is present, I 
can search for it, but looking for "inci" yields no results

http://localhost:8983/solr/superCore/select?q=inci&fl=record_display_name&wt=json&indent=true

Any idea on what could I be doing wrong?

This is how I define the field type

{
  "add-field-type" : {
    "indexed" : true,
    "queryAnalyzer" : {
      "filters" : [
        {
          "class" : "solr.LowerCaseFilterFactory"
        }
      ],
      "tokenizer" : {
        "class" : "solr.WhitespaceTokenizerFactory"
      }
    },
    "indexAnalyzer" : {
      "filters" : [
        {
          "class" : "solr.LowerCaseFilterFactory"
        },
        {
          "class" : "solr.EdgeNGramFilterFactory",
          "minGramSize" : "2",
          "maxGramSize" : "10"
        }
      ],
      "tokenizer" : {
        "class" : "solr.WhitespaceTokenizerFactory"
      }
    },
    "stored" : false,
    "name" : "prefix",
    "class" : "solr.TextField"
  }
}

Adding the field

{
  "add-field":{
     "name":"dispNamePrefix",
     "type":"prefix",
     "stored":false }
}

Copy field

{
  "add-copy-field":{
     "source":"record_display_name",
     "dest":[ "dispNamePrefix"]}
}