From 9c89d75c600064874658cd0e1c0af2c13ef295e3 Mon Sep 17 00:00:00 2001
From: Russell Osborne <russell@burningpony.com>
Date: Sun, 4 Dec 2016 02:06:33 -0500
Subject: [PATCH] Add upgrade migration

---
 upgrade_migrations/version_1_5_2.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 upgrade_migrations/version_1_5_2.rb

diff --git a/upgrade_migrations/version_1_5_2.rb b/upgrade_migrations/version_1_5_2.rb
new file mode 100644
index 0000000..4f64615
--- /dev/null
+++ b/upgrade_migrations/version_1_5_2.rb
@@ -0,0 +1,12 @@
+class Version152UpdateImpressionsTable < ActiveRecord::Migration
+  def self.up
+    add_column :impressions, :params, :text
+
+    add_index :impressions, [:impressionable_type, :impressionable_id, :params], :name => "poly_params_request_index", :unique => false
+  end
+
+  def self.down
+    remove_index :impressions, [:impressionable_type, :impressionable_id, :params], :name => "poly_params_request_index"
+    remove_column :impressions, :params
+  end
+end
\ No newline at end of file