title: Cloudant Query text "LIKE" search on a single field
body: <p>I wish to use Cloudant Query to get all the documents wuth the specified field is matched with a string (similar to SQL "LIKE") but I just can't figure out how to do it. </p>
  
  <p>I realize I can use Search Index for this purpose but I would love to know the solution using Cloudant Query.</p>