Our Solr schema for an autocomplete of Geonames (with custom label)

schema.xml

<?xml version="1.0" encoding="UTF-8"?>

<schema name="sunspot" version="1.2">

  <types>

    <fieldType name="string"
               class="solr.StrField"
               sortMissingLast="true"
               omitNorms="true"/>

    <fieldType name="int" class="solr.TrieIntField"
               precisionStep="0"
               omitNorms="true"
               positionIncrementGap="0"/>

    <fieldType name="text_edge" class="solr.TextField">
      <analyzer>
        <tokenizer class="solr.StandardTokenizerFactory"/>
        <filter class="solr.ASCIIFoldingFilterFactory"/>
        <filter class="solr.LowerCaseFilterFactory"/>
        <filter class="solr.EdgeNGramFilterFactory" minGramSize="2" maxGramSize="15"/>
      </analyzer>
    </fieldType>

  </types>

  <fields>
    <field name="id"
           type="string" indexed="true" stored="true" required="true" />

    <field name="type"
           type="string" indexed="true" stored="false" required="true" />

    <field name="label"
           type="text_edge" indexed="false" stored="true" />

    <field name="name"
           type="text_edge" indexed="false" stored="false" />

    <field name="alt_names"
           type="text_edge" indexed="false" stored="false" multiValued="true"/>

    <field name="nbr_hotels"
           type="int" indexed="true" stored="true" />

    <field name="country"
           type="string" indexed="true" stored="false" />

    <field name="population"
           type="int" indexed="true" stored="false" />

    <field name="feature_class"
           type="string" indexed="true" stored="false" />

    <field name="feature_code"
           type="string" indexed="true" stored="false" />

    <field name="text"
           type="text_edge" indexed="true" stored="false" multiValued="true"/>

  </fields>

  <uniqueKey>id</uniqueKey>

  <defaultSearchField>text</defaultSearchField>

  <copyField source="name" dest="text"/>
  <copyField source="alt_names" dest="text"/>

  <solrQueryParser defaultOperator="AND"/>

</schema>