ruby on rails - Searching by full name with Ransack -

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i have ransack form on project inherited looks this:

<%- ransack_form_options ||= {} -%> <%- search_field_options ||= {} -%> <%- search_field_options.merge! autocomplete: "off", id: "q" -%>  <div class="search-form">   <%= search_form_for(@q, ransack_form_options) |f| %>     <%= f.text_field search_on, search_field_options %>     <%= f.submit 'search' %>     <%= button_tag '', class: 'cancel-search' %>   <% end %> </div>

the value of search_on student_first_name_or_student_last_name_or_student_email_cont.

this works searching first name or last name or email. if want search full name or first name or last name or email? how can that?


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