indexing

Pius Uzamere
1 parent b4883a80
Showing 2 changed files with 18 additions and 0 deletions Show diff stats
db/migrate/20091219061442_create_visitor_indexes.rb
db/migrate/20091219063003_remove_extraneous_index.rb
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+class CreateVisitorIndexes < ActiveRecord::Migration
+  def self.up
+    add_index :visitors, [:identifier, :site_id], :unique => true
+  end
+
+  def self.down
+    remove_index :visitors, [:identifier, :site_id]
+  end
+end
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+class RemoveExtraneousIndex < ActiveRecord::Migration
+  def self.up
+    remove_index :prompts, [:left_choice_id, :right_choice_id]
+  end
+
+  def self.down
+    add_index :prompts, [:left_choice_id, :right_choice_id]
+  end
+end
...	...	@@ -0,0 +1,9 @@
	1	+class CreateVisitorIndexes < ActiveRecord::Migration
	2	+ def self.up
	3	+ add_index :visitors, [:identifier, :site_id], :unique => true
	4	+ end
	5	+
	6	+ def self.down
	7	+ remove_index :visitors, [:identifier, :site_id]
	8	+ end
	9	+end
...	...
...	...	@@ -0,0 +1,9 @@
	1	+class RemoveExtraneousIndex < ActiveRecord::Migration
	2	+ def self.up
	3	+ remove_index :prompts, [:left_choice_id, :right_choice_id]
	4	+ end
	5	+
	6	+ def self.down
	7	+ add_index :prompts, [:left_choice_id, :right_choice_id]
	8	+ end
	9	+end
...	...