Convert couple_round_tallies to non-schema_plus

Also, since Rails schema cannot dump views without schema_plus, the view
creation is contained in the db/structure.sql file.

db/migrate/20130829203636_create_couple_round_tallies.rb

@@ -1,6 +1,7 @@
 class CreateCoupleRoundTallies < ActiveRecord::Migration
   def up
-    create_view :couple_round_tallies, <<-SQL
+    execute <<-SQL
+      CREATE VIEW couple_round_tallies AS
       SELECT couples.id AS couple_id,
              count(marks.id) AS num_marks,
              rounds.id AS round_id
@@ -13,6 +14,6 @@ def up
   end
 
   def down
-    drop_view :couple_round_tallies
+    execute "DROP VIEW couple_round_tallies"
   end
 end

db/schema.rb

@@ -13,190 +13,152 @@
 
 ActiveRecord::Schema.define(version: 20140212184016) do
 
-  create_table "teams", force: true do |t|
-    t.string   "name"
+  create_table "adjudicators", force: :cascade do |t|
+    t.integer  "user_id"
+    t.integer  "competition_id"
+    t.string   "shorthand"
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
-  create_table "competitions", force: true do |t|
+  create_table "adjudicators_rounds", id: false, force: :cascade do |t|
+    t.integer "adjudicator_id", null: false
+    t.integer "round_id",       null: false
+  end
+
+  add_index "adjudicators_rounds", ["adjudicator_id", "round_id"], name: "index_adjudicators_rounds_on_adjudicator_id_and_round_id", unique: true
+
+  create_table "competitions", force: :cascade do |t|
     t.string   "name"
     t.date     "start_date"
     t.date     "end_date"
     t.integer  "team_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["team_id"], :name => "fk__competitions_team_id"
-    t.foreign_key ["team_id"], "teams", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_competitions_team_id"
   end
 
-  create_table "users", force: true do |t|
-    t.string   "first_name"
-    t.string   "last_name"
-    t.integer  "team_id"
+# Could not dump table "couple_round_tallies" because of following NoMethodError
+#   undefined method `[]' for nil:NilClass
+
+  create_table "couples", force: :cascade do |t|
+    t.integer  "lead_id"
+    t.integer  "follow_id"
+    t.integer  "event_id"
+    t.integer  "number"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["team_id"], :name => "fk__users_team_id"
-    t.foreign_key ["team_id"], "teams", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_users_team_id"
   end
 
-  create_table "adjudicators", force: true do |t|
-    t.integer  "user_id"
-    t.integer  "competition_id"
-    t.string   "shorthand"
-    t.datetime "created_at"
-    t.datetime "updated_at"
-    t.index ["competition_id"], :name => "fk__adjudicators_competition_id"
-    t.index ["user_id"], :name => "fk__adjudicators_user_id"
-    t.foreign_key ["competition_id"], "competitions", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_adjudicators_competition_id"
-    t.foreign_key ["user_id"], "users", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_adjudicators_user_id"
+  create_table "couples_rounds", id: false, force: :cascade do |t|
+    t.integer "couple_id", null: false
+    t.integer "round_id",  null: false
   end
 
-  create_table "levels", force: true do |t|
+  add_index "couples_rounds", ["couple_id", "round_id"], name: "index_couples_rounds_on_couple_id_and_round_id", unique: true
+
+  create_table "dances", force: :cascade do |t|
     t.string   "name"
-    t.integer  "weight"
+    t.integer  "section_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "base_name"
   end
 
-  create_table "events", force: true do |t|
+  create_table "events", force: :cascade do |t|
     t.integer  "competition_id"
     t.integer  "level_id"
     t.integer  "number"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["competition_id"], :name => "fk__events_competition_id"
-    t.index ["level_id"], :name => "fk__events_level_id"
-    t.foreign_key ["competition_id"], "competitions", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_events_competition_id"
-    t.foreign_key ["level_id"], "levels", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_events_level_id"
   end
 
-  create_table "rounds", force: true do |t|
-    t.integer  "event_id"
-    t.integer  "number"
-    t.boolean  "final"
-    t.integer  "requested"
-    t.integer  "cutoff"
+  create_table "levels", force: :cascade do |t|
+    t.string   "name"
+    t.integer  "weight"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["event_id"], :name => "fk__rounds_event_id"
-    t.foreign_key ["event_id"], "events", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_rounds_event_id"
   end
 
-  create_table "adjudicators_rounds", id: false, force: true do |t|
-    t.integer "adjudicator_id", null: false
-    t.integer "round_id",       null: false
-    t.index ["adjudicator_id", "round_id"], :name => "index_adjudicators_rounds_on_adjudicator_id_and_round_id", :unique => true
-    t.index ["adjudicator_id"], :name => "fk__adjudicators_rounds_adjudicator_id"
-    t.index ["round_id"], :name => "fk__adjudicators_rounds_round_id"
-    t.foreign_key ["adjudicator_id"], "adjudicators", ["id"], :on_update => :no_action, :on_delete => :no_action, :name => "fk_adjudicators_rounds_adjudicator_id"
-    t.foreign_key ["round_id"], "rounds", ["id"], :on_update => :no_action, :on_delete => :no_action, :name => "fk_adjudicators_rounds_round_id"
+  create_table "marks", force: :cascade do |t|
+    t.integer  "adjudicator_id"
+    t.integer  "sub_round_id"
+    t.integer  "couple_id"
+    t.integer  "placement"
+    t.datetime "created_at"
+    t.datetime "updated_at"
   end
 
-  create_table "couples", force: true do |t|
-    t.integer  "lead_id"
-    t.integer  "follow_id"
+  add_index "marks", ["couple_id", "sub_round_id"], name: "index_marks_on_couple_id_and_sub_round_id"
+
+  create_table "placements", force: :cascade do |t|
+    t.integer  "couple_id"
     t.integer  "event_id"
-    t.integer  "number"
+    t.integer  "rank"
+    t.integer  "rule"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["event_id"], :name => "fk__couples_event_id"
-    t.index ["follow_id"], :name => "fk__couples_follow_id"
-    t.index ["lead_id"], :name => "fk__couples_lead_id"
-    t.foreign_key ["event_id"], "events", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_couples_event_id"
-    t.foreign_key ["follow_id"], "users", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_couples_follow_id"
-    t.foreign_key ["lead_id"], "users", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_couples_lead_id"
   end
 
-  create_table "sections", force: true do |t|
-    t.string   "name"
+  add_index "placements", ["couple_id"], name: "index_placements_on_couple_id"
+  add_index "placements", ["event_id"], name: "index_placements_on_event_id"
+
+  create_table "rounds", force: :cascade do |t|
+    t.integer  "event_id"
+    t.integer  "number"
+    t.boolean  "final"
+    t.integer  "requested"
+    t.integer  "cutoff"
     t.datetime "created_at"
     t.datetime "updated_at"
   end
 
-  create_table "dances", force: true do |t|
+  create_table "sections", force: :cascade do |t|
     t.string   "name"
-    t.integer  "section_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.string   "base_name"
-    t.index ["section_id"], :name => "fk__dances_section_id"
-    t.foreign_key ["section_id"], "sections", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_dances_section_id"
   end
 
-  create_table "sub_events", force: true do |t|
+  create_table "sub_events", force: :cascade do |t|
     t.integer  "event_id"
     t.integer  "dance_id"
     t.integer  "weight"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["dance_id"], :name => "fk__sub_events_dance_id"
-    t.index ["event_id"], :name => "fk__sub_events_event_id"
-    t.foreign_key ["dance_id"], "dances", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_sub_events_dance_id"
-    t.foreign_key ["event_id"], "events", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_sub_events_event_id"
   end
 
-  create_table "sub_rounds", force: true do |t|
-    t.integer  "round_id"
+  create_table "sub_placements", force: :cascade do |t|
+    t.integer  "couple_id"
     t.integer  "sub_event_id"
+    t.decimal  "rank",         precision: 5, scale: 2
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["round_id"], :name => "index_sub_rounds_on_round_id"
-    t.index ["sub_event_id"], :name => "index_sub_rounds_on_sub_event_id"
-    t.foreign_key ["round_id"], "rounds", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_sub_rounds_round_id"
-    t.foreign_key ["sub_event_id"], "sub_events", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_sub_rounds_sub_event_id"
   end
 
-  create_table "marks", force: true do |t|
-    t.integer  "adjudicator_id"
-    t.integer  "sub_round_id"
-    t.integer  "couple_id"
-    t.integer  "placement"
+  add_index "sub_placements", ["couple_id"], name: "index_sub_placements_on_couple_id"
+  add_index "sub_placements", ["sub_event_id"], name: "index_sub_placements_on_sub_event_id"
+
+  create_table "sub_rounds", force: :cascade do |t|
+    t.integer  "round_id"
+    t.integer  "sub_event_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["adjudicator_id"], :name => "fk__marks_adjudicator_id"
-    t.index ["couple_id", "sub_round_id"], :name => "index_marks_on_couple_id_and_sub_round_id"
-    t.index ["couple_id"], :name => "fk__marks_couple_id"
-    t.index ["sub_round_id"], :name => "fk__marks_sub_round_id"
-    t.foreign_key ["adjudicator_id"], "adjudicators", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_marks_adjudicator_id"
-    t.foreign_key ["couple_id"], "couples", ["id"], :on_update => :no_action, :on_delete => :restrict, :name => "fk_marks_couple_id"
-    t.foreign_key ["sub_round_id"], "sub_rounds", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_marks_sub_round_id"
   end
 
-  create_view "couple_round_tallies", "SELECT couples.id AS couple_id,\n             count(marks.id) AS num_marks,\n             rounds.id AS round_id\n      FROM rounds\n      INNER JOIN sub_rounds ON sub_rounds.round_id = rounds.id\n      INNER JOIN marks ON marks.sub_round_id = sub_rounds.id\n      INNER JOIN couples ON couples.id = marks.couple_id\n      GROUP BY couples.id, rounds.id", :force => true
-  create_table "couples_rounds", id: false, force: true do |t|
-    t.integer "couple_id", null: false
-    t.integer "round_id",  null: false
-    t.index ["couple_id", "round_id"], :name => "index_couples_rounds_on_couple_id_and_round_id", :unique => true
-    t.index ["couple_id"], :name => "fk__couples_rounds_couple_id"
-    t.index ["round_id"], :name => "fk__couples_rounds_round_id"
-    t.foreign_key ["couple_id"], "couples", ["id"], :on_update => :no_action, :on_delete => :no_action, :name => "fk_couples_rounds_couple_id"
-    t.foreign_key ["round_id"], "rounds", ["id"], :on_update => :no_action, :on_delete => :no_action, :name => "fk_couples_rounds_round_id"
-  end
+  add_index "sub_rounds", ["round_id"], name: "index_sub_rounds_on_round_id"
+  add_index "sub_rounds", ["sub_event_id"], name: "index_sub_rounds_on_sub_event_id"
 
-  create_table "placements", force: true do |t|
-    t.integer  "couple_id"
-    t.integer  "event_id"
-    t.integer  "rank"
-    t.integer  "rule"
+  create_table "teams", force: :cascade do |t|
+    t.string   "name"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["couple_id"], :name => "index_placements_on_couple_id"
-    t.index ["event_id"], :name => "index_placements_on_event_id"
-    t.foreign_key ["couple_id"], "couples", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_placements_couple_id"
-    t.foreign_key ["event_id"], "events", ["id"], :on_update => :no_action, :on_delete => :cascade, :name => "fk_placements_event_id"
   end
 
-  create_table "sub_placements", force: true do |t|
-    t.integer  "couple_id"
-    t.integer  "sub_event_id"
-    t.decimal  "rank",         precision: 5, scale: 2
+  create_table "users", force: :cascade do |t|
+    t.string   "first_name"
+    t.string   "last_name"
+    t.integer  "team_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.index ["couple_id"], :name => "k__sub_placements_couple_id"
-    t.index ["sub_event_id"], :name => "k__sub_placements_sub_event_id"
-    t.foreign_key ["couple_id"], "couples", ["id"], :on_update => :no_action, :on_delete => :no_action, :name => "fk_sub_placements_couple_id"
-    t.foreign_key ["sub_event_id"], "sub_events", ["id"], :on_update => :no_action, :on_delete => :no_action, :name => "fk_sub_placements_sub_event_id"
   end
 
 end

db/views.sql

@@ -0,0 +1,11 @@
+DROP VIEW IF EXISTS couple_round_tallies;
+
+CREATE VIEW couple_round_tallies AS
+  SELECT couples.id AS couple_id,
+         count(marks.id) AS num_marks,
+         rounds.id AS round_id
+    FROM rounds
+    INNER JOIN sub_rounds ON sub_rounds.round_id = rounds.id
+    INNER JOIN marks ON marks.sub_round_id = sub_rounds.id
+    INNER JOIN couples ON couples.id = marks.couple_id
+    GROUP BY couples.id, rounds.id;

lib/tasks/views.rake

@@ -0,0 +1,15 @@
+namespace :db do
+  namespace :views do
+    desc "Load views from the views.sql file"
+    task :load => [:environment, :load_config] do
+      puts "-- Loading views.sql"
+      view_file = File.join(ActiveRecord::Tasks::DatabaseTasks.db_dir, "views.sql")
+      ActiveRecord::Tasks::DatabaseTasks.load_schema_current(:sql, view_file)
+    end
+  end
+
+  # Redefine `:setup` to run `db:views:load`
+  task :setup do
+    Rake::Task['db:views:load'].invoke
+  end
+end