title: error in passing parameter
body: <p>I am using dropwizard jdbi, and database postgresql:</p>
  
  <pre><code>@Mapper(StudentMapper.class)
    @SqlQuery("select user_registration.username,user_registration.user_email,user_registration.picname,"
              +"student_specific.subject_name from user_registration inner join "
              +"student_specific on user_registration.user_email=student_specific"
              +".student_email where (subject_name @&gt; ARRAY[':subject'])"
              )
    StudentDetails searchStudents(@Bind("subject")String subject);
  </code></pre>
  
  <p>my problem is when i give ARRAY['maths'] it will give result, but when i give ARRAY[':subject'] it returns me null, seems it is not binding subject and taking ':subject' as value please help me out how to pass :subject</p>