I've something like that:

in layout :
links looks that :

<%= link_to month.strftime('%B, %Y'),
"/?y=#{month.strftime("%Y")}&m=#{month.strftime("%m")}" %>

in controler I've :

 if params[:y] && params[:m]
      @posts = Post.find(:all,:order => 'created_at' ,:conditions =>
['extract(year from created_at) LIKE ? AND extract(month from
created_at) LIKE ?', params[:y], params[:m]] )
    else
      @posts = Post.find(:all)
    end


but in console I've got that sql code:
 SELECT * FROM "posts" WHERE (extract(year from created_at) LIKE E'2009'
AND extract(month from created_at) LIKE E'01') ORDER BY created_at

looks like this E near that LIKE broke everything

some idea how to repair that
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