title: How to create mapping of a field of type `Array`?
body: <p>I want to create a index in <code>elasticsearch</code> with document having a field as <code>array</code>. Elasticsearch is giving error - <code>'reason': 'No type specified for field &lt;field_name&gt;'</code>.</p>
  
  <p>I am giving like -<code>"field_name": {"store": "false"}</code>. I want this field to be of type Array of string.
  But Elasticsearch does not support Array type - 
  <a href="https://www.elastic.co/guide/en/elasticsearch/reference/6.4/array.html" rel="nofollow noreferrer">https://www.elastic.co/guide/en/elasticsearch/reference/6.4/array.html</a></p>