Search on multiple keywords in a single search text field (RAILS)

Question

I\'m fairly new and playing around with searching databases in Rails. I have a model and database that has a list of names under the \'name\' attribute. I want to be able to

Answer 1

formatted_columns = format_column_names(Sub.column_names)
where(formatted_columns.map {|cn| "#{cn} like ?" }.join("or "), *(["%#{search}%"] * formatted_columns.size))

this takes care of all columns as well as the correct amount of fields