title: Solr data type corresponding to cql decimal
body: <p>what is the solr type corresponding to Cassandra's decimal data type?</p>
  
  <pre><code>CREATE TABLE demo_table (
   cost decimal
  )
  </code></pre>
  
  <p>what should be the corresponding data type for solr?</p>
  
  <pre><code>&lt;field name="cost" type="XXX" indexed="true" stored="true" required="true" /&gt;
  </code></pre>