Question

Im creating a many to many association rails project, and im getting the following errors when i run new.html.erb:

Table 'purchase_form_rails.account_numbers_pi_names' doesn't exist

undefined local variable or method `account_numbers' for #<#<Class:0x2a979ef4>:0x2a978770>

Extracted source (around line #34): 

(It should be looking in the database purchase_form_rails, and the table account_numbers (the in between table joining pi_names and account_numbers is pi_names_account_numbers)

Heres my new.html.erb:

  <div class="field">

        <% for account_number in @account_numbers %>
           <input type="checkbox"
                id="<%=account_number.id%>"
                name="account_numbers_ids[]"
                value="<%=account_number.id %>"
                <%if @pi_name.account_numbers.include? tag%>checked="checked"<%end%>
         > <%=account_numbers.account_number%>
        <% end %>

  </div>

Let me know if you need any more info!

Answer 1

If you are defining a has_many:thorough then rails expects join table name should be alphabetically sorted like account_numbers_pi_names( This should be the join table name not pi_names_account_numbers) .