Index published to improve blog posts fetch

Rodrigo Souto
1 parent 7b76f317
Showing 1 changed file with 13 additions and 0 deletions Show diff stats
db/migrate/20140724180943_add_index_to_blog_posts_sort.rb
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+class AddIndexToBlogPostsSort < ActiveRecord::Migration
+  def self.up
+     %w[articles article_versions].each do |table|
+      add_index table, [:published_at, :id]
+    end
+ end
+
+  def self.down
+     %w[articles article_versions].each do |table|
+      remove_index table, [:published_at, :id]
+    end
+  end
+end
@@ -0,0 +1,13 @@		@@ -0,0 +1,13 @@
	1	+class AddIndexToBlogPostsSort < ActiveRecord::Migration
	2	+ def self.up
	3	+ %w[articles article_versions].each do \|table\|
	4	+ add_index table, [:published_at, :id]
	5	+ end
	6	+ end
	7	+
	8	+ def self.down
	9	+ %w[articles article_versions].each do \|table\|
	10	+ remove_index table, [:published_at, :id]
	11	+ end
	12	+ end
	13	+end