openstreetmap-website/db/migrate/048_add_diary_creation_indexes.rb
Tom Hughes 6e5f284135 Add some indexes to diary entries to let recent entries be found
efficiently for the various diary entry lists and feeds.
2010-01-03 11:56:41 +00:00

13 lines
647 B
Ruby

class AddDiaryCreationIndexes < ActiveRecord::Migration
def self.up
add_index :diary_entries, [:created_at], :name => "diary_entry_created_at_index"
add_index :diary_entries, [:user_id, :created_at], :name => "diary_entry_user_id_created_at_index"
add_index :diary_entries, [:language_code, :created_at], :name => "diary_entry_language_code_created_at_index"
end
def self.down
remove_index :diary_entries, :name => "diary_entry_language_code_created_at_index"
remove_index :diary_entries, :name => "diary_entry_user_id_created_at_index"
remove_index :diary_entries, :name => "diary_entry_created_at_index"
end
end