Revert "Merge branch 'ee-5481-epic-todos' into 'master'"

This reverts commit 4d9a3f42f1fd3be21555e19872b7121cca65015e, reversing
changes made to ecf9c145f6e4d170cd059df88743393d9e63c489.

2 files changed, 1 insertions, 36 deletions

diff --git a/db/migrate/20180608091413_add_group_to_todos.rb b/db/migrate/20180608091413_add_group_to_todos.rb
deleted file mode 100644
index af3ee48b29d..00000000000
--- a/db/migrate/20180608091413_add_group_to_todos.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-class AddGroupToTodos < ActiveRecord::Migration
-  include Gitlab::Database::MigrationHelpers
-
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  def up
-    add_column :todos, :group_id, :integer
-    add_concurrent_foreign_key :todos, :namespaces, column: :group_id, on_delete: :cascade
-    add_concurrent_index :todos, :group_id
-
-    change_column_null :todos, :project_id, true
-  end
-
-  def down
-    return unless group_id_exists?
-
-    remove_foreign_key :todos, column: :group_id
-    remove_index :todos, :group_id if index_exists?(:todos, :group_id)
-    remove_column :todos, :group_id
-
-    execute "DELETE FROM todos WHERE project_id IS NULL"
-    change_column_null :todos, :project_id, false
-  end
-
-  private
-
-  def group_id_exists?
-    column_exists?(:todos, :group_id)
-  end
-end
diff --git a/db/schema.rb b/db/schema.rb
index 75a1960e2f8..d2aa31fae30 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1950,7 +1950,7 @@ ActiveRecord::Schema.define(version: 20180704204006) do
 
   create_table "todos", force: :cascade do |t|
     t.integer "user_id", null: false
-    t.integer "project_id"
+    t.integer "project_id", null: false
     t.integer "target_id"
     t.string "target_type", null: false
     t.integer "author_id", null: false
@@ -1960,12 +1960,10 @@ ActiveRecord::Schema.define(version: 20180704204006) do
     t.datetime "updated_at"
     t.integer "note_id"
     t.string "commit_id"
-    t.integer "group_id"
   end
 
   add_index "todos", ["author_id"], name: "index_todos_on_author_id", using: :btree
   add_index "todos", ["commit_id"], name: "index_todos_on_commit_id", using: :btree
-  add_index "todos", ["group_id"], name: "index_todos_on_group_id", using: :btree
   add_index "todos", ["note_id"], name: "index_todos_on_note_id", using: :btree
   add_index "todos", ["project_id"], name: "index_todos_on_project_id", using: :btree
   add_index "todos", ["target_type", "target_id"], name: "index_todos_on_target_type_and_target_id", using: :btree
@@ -2339,7 +2337,6 @@ ActiveRecord::Schema.define(version: 20180704204006) do
   add_foreign_key "term_agreements", "users", on_delete: :cascade
   add_foreign_key "timelogs", "issues", name: "fk_timelogs_issues_issue_id", on_delete: :cascade
   add_foreign_key "timelogs", "merge_requests", name: "fk_timelogs_merge_requests_merge_request_id", on_delete: :cascade
-  add_foreign_key "todos", "namespaces", column: "group_id", on_delete: :cascade
   add_foreign_key "todos", "notes", name: "fk_91d1f47b13", on_delete: :cascade
   add_foreign_key "todos", "projects", name: "fk_45054f9c45", on_delete: :cascade
   add_foreign_key "todos", "users", column: "author_id", name: "fk_ccf0373936", on_delete: :cascade