Im trying to see posts index page, In tat im showing category list, im
using collect method it show error..
ActiveRecord::StatementInvalid in Posts#index
Showing app/views/posts/index.html.erb where line #19 raised:
Mysql::Error: Unknown column 'categories_posts.category_id' in 'on
clause': SELECT `categories`.* FROM `categories` INNER JOIN
`categories_posts` ON `categories`.id =
`categories_posts`.category_id WHERE ((`categories_posts`.post_id =
1))
Extracted source (around line #19):
16: <td><%= post.created_at.strftime('%m/%d/%y %I:%m %p') %></td>
17: <td><%= h(post.title) %></td>
18: <td><%= h(post.author.display_name) if post.author %></td>
19: <td><%= post.categories.collect {|cat| [cat.name] }.join(",")
%>
20: <td><%= h(post.status) %></td>
21: <td><%= post.comments_count %>
pls help me,, im new to RoR..??
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