changes to limit

app/controllers/legacy_controller.rb

@@ -1,6 +1,6 @@
 class LegacyController < ApplicationController
   def posts
-    @post_set = PostSets::Post.new(tag_query, params[:page])
+    @post_set = PostSets::Post.new(tag_query, params[:page], params[:limit])
     @posts = @post_set.posts
   end
 

app/logical/post_sets/post.rb

@@ -1,10 +1,12 @@
 module PostSets
   class Post < Base
-    attr_reader :tag_array, :page
+    attr_reader :tag_array, :page, :per_page
     
-    def initialize(tags, page = 1)
+    def initialize(tags, page = 1, per_page = nil)
       @tag_array = Tag.scan_query(tags)
       @page = page
+      @per_page = (per_page || Post.records_per_page).to_i
+      @per_page = 200 if @per_page > 200
     end
     
     def tag_string
@@ -36,7 +38,7 @@ module PostSets
         raise SearchError.new("Upgrade your account to search more than two tags at once")
       end
       
-      @posts ||= ::Post.tag_match(tag_string).paginate(page, :count => ::Post.fast_count(tag_string))
+      @posts ||= ::Post.tag_match(tag_string).paginate(page, :count => ::Post.fast_count(tag_string), :limit => :per_page)
     rescue ::Post::SearchError
       @posts = ::Post.where("false")
     end

lib/danbooru/paginator/active_record_extension.rb

@@ -66,7 +66,7 @@ module Danbooru
         
         def records_per_page
           # ugly hack but no easy way to pass this info down
-          Thread.current["records_per_page"] || Danbooru.config.posts_per_page
+          (@paginator_options[:limit] || Thread.current["records_per_page"] || Danbooru.config.posts_per_page).to_i
         end
 
         # taken from kaminari (https://github.com/amatsuda/kaminari)