title: How to convert a field text to lower case inside solr from solarium setQuery before fetching the result?
body: <p>i want to search "title" from the data below but before setting query from solarium i want to convert the whole text to lowercase "title" and then retrieve the result.</p>
  
  <p>journalIssn:0007-1447</p>
  
  <p>issue:  4680</p>
  
  <p>pageInfo:   671-673</p>
  
  <p>source: PMC</p>
  
  <p>title:  International Society of Haematology.</p>
  
  <p>pubYear:    1950</p>
  
  <p>journalVolume:  2</p>
  
  <p>pubType:    "Meeting Report"</p>