diff --git a/.standard.yml b/.standard.yml
index 3f2c1135..934e34e5 100644
--- a/.standard.yml
+++ b/.standard.yml
@@ -154,60 +154,61 @@ ignore:
 - config/routes.rb
 - config/schedule.rb
 - config/unicorn.rb
-- db/migrate/20110819224757_devise_create_users.rb
-- db/migrate/20110904045150_create_contests_problems_table.rb
-- db/migrate/20110924035337_create_group_user_table.rb
-- db/migrate/20110925021620_create_group_problem_table.rb
-- db/migrate/20111002021523_create_contest_group_table.rb
-- db/migrate/20111206102437_add_brownie_points_to_users.rb
-- db/migrate/20120115015112_create_contests_max_score_submissions_view.rb
-- db/migrate/20120115020222_create_contests_latest_submissions_view.rb
-- db/migrate/20120115044124_create_contests_max_score_scoreboard_view.rb
-- db/migrate/20120115044140_create_contests_latest_scoreboard_view.rb
-- db/migrate/20120117133515_add_indexes_id_fields.rb
-- db/migrate/20120119025544_create_problem_sets.rb
-- db/migrate/20120119081526_remove_problems_contests_groups.rb
-- db/migrate/20120122061329_create_roles.rb
-- db/migrate/20120127063021_add_username_to_users.rb
-- db/migrate/20120128000525_create_settings.rb
-- db/migrate/20120128235138_create_evaluators.rb
-- db/migrate/20120201080849_add_title_index_to_problem.rb
-- db/migrate/20120201113029_add_sessions_table.rb
-- db/migrate/20120210235859_create_test_sets.rb
-- db/migrate/20120805020042_add_confirmable_to_users.rb
-- db/migrate/20120807033035_add_end_time_to_contest_relations.rb
-- db/migrate/20120807042326_create_contest_scores.rb
-- db/migrate/20120810041325_add_results_final_to_contest.rb
-- db/migrate/20130926021023_convert_groups_users_to_memberships.rb
-- db/migrate/20130926065258_add_visibility_and_membership_to_groups.rb
-- db/migrate/20130926105411_create_requests.rb
-- db/migrate/20130928133936_add_last_seen_at_to_users.rb
-- db/migrate/20131007025034_convert_test_case_associations.rb
-- db/migrate/20131013050536_add_language_id_to_submission.rb
-- db/migrate/20131205201359_add_type_to_test_set.rb
-- db/migrate/20131206074948_name_all_test_sets_and_cases.rb
-- db/migrate/20131207080120_change_enumeration_on_test_sets.rb
-- db/migrate/20131207091535_convert_dummy_test_sets_to_samples.rb
-- db/migrate/20131208014408_add_language_group_model.rb
-- db/migrate/20131208015044_change_language_identifiers_to_match.rb
-- db/migrate/20131208131723_rename_bad_usernames.rb
-- db/migrate/20131209063832_fix_bad_markdown.rb
-- db/migrate/20131217112526_change_test_set_and_test_case_sample_and_prerequisites.rb
-- db/migrate/20131219035927_add_problems_order_position_to_tests.rb
-- db/migrate/20131220034551_change_habtm_problem_associations.rb
-- db/migrate/20131221014009_create_user_problem_relation.rb
-- db/migrate/20131221101354_remove_submission_classification_default.rb
-- db/migrate/20131222021036_add_rejudge_at_to_problem.rb
-- db/migrate/20140206025958_create_items_and_products.rb
-- db/migrate/20140218212023_generate_scan_tokens.rb
-- db/migrate/20141224134542_clean_language_model.rb
-- db/migrate/20150109101859_add_school_country_year_to_users.rb
-- db/migrate/20150116010255_normalize_line_endings.rb
-- db/migrate/20150118010607_weighted_contests.rb
-- db/migrate/20150118104425_calculate_weighted_columns.rb
-- db/migrate/20160131000430_update_checked_in_field.rb
-- db/migrate/20200418113600_add_live_scoreboard_field.rb
-- db/migrate/20200418113601_add_offical_contestants.rb
+- db/archived_migrations/20110819224757_devise_create_users.rb
+- db/archived_migrations/20110904045150_create_contests_problems_table.rb
+- db/archived_migrations/20110924035337_create_group_user_table.rb
+- db/archived_migrations/20110925021620_create_group_problem_table.rb
+- db/archived_migrations/20111002021523_create_contest_group_table.rb
+- db/archived_migrations/20111206102437_add_brownie_points_to_users.rb
+- db/archived_migrations/20120115015112_create_contests_max_score_submissions_view.rb
+- db/archived_migrations/20120115020222_create_contests_latest_submissions_view.rb
+- db/archived_migrations/20120115044124_create_contests_max_score_scoreboard_view.rb
+- db/archived_migrations/20120115044140_create_contests_latest_scoreboard_view.rb
+- db/archived_migrations/20120117133515_add_indexes_id_fields.rb
+- db/archived_migrations/20120119025544_create_problem_sets.rb
+- db/archived_migrations/20120119081526_remove_problems_contests_groups.rb
+- db/archived_migrations/20120122061329_create_roles.rb
+- db/archived_migrations/20120127063021_add_username_to_users.rb
+- db/archived_migrations/20120128000525_create_settings.rb
+- db/archived_migrations/20120128235138_create_evaluators.rb
+- db/archived_migrations/20120201080849_add_title_index_to_problem.rb
+- db/archived_migrations/20120201113029_add_sessions_table.rb
+- db/archived_migrations/20120210235859_create_test_sets.rb
+- db/archived_migrations/20120805020042_add_confirmable_to_users.rb
+- db/archived_migrations/20120807033035_add_end_time_to_contest_relations.rb
+- db/archived_migrations/20120807042326_create_contest_scores.rb
+- db/archived_migrations/20120810041325_add_results_final_to_contest.rb
+- db/archived_migrations/20130926021023_convert_groups_users_to_memberships.rb
+- db/archived_migrations/20130926065258_add_visibility_and_membership_to_groups.rb
+- db/archived_migrations/20130926105411_create_requests.rb
+- db/archived_migrations/20130928133936_add_last_seen_at_to_users.rb
+- db/archived_migrations/20131007025034_convert_test_case_associations.rb
+- db/archived_migrations/20131013050536_add_language_id_to_submission.rb
+- db/archived_migrations/20131205201359_add_type_to_test_set.rb
+- db/archived_migrations/20131206074948_name_all_test_sets_and_cases.rb
+- db/archived_migrations/20131207080120_change_enumeration_on_test_sets.rb
+- db/archived_migrations/20131207091535_convert_dummy_test_sets_to_samples.rb
+- db/archived_migrations/20131208014408_add_language_group_model.rb
+- db/archived_migrations/20131208015044_change_language_identifiers_to_match.rb
+- db/archived_migrations/20131208131723_rename_bad_usernames.rb
+- db/archived_migrations/20131209063832_fix_bad_markdown.rb
+- db/archived_migrations/20131217112526_change_test_set_and_test_case_sample_and_prerequisites.rb
+- db/archived_migrations/20131219035927_add_problems_order_position_to_tests.rb
+- db/archived_migrations/20131220034551_change_habtm_problem_associations.rb
+- db/archived_migrations/20131221014009_create_user_problem_relation.rb
+- db/archived_migrations/20131221101354_remove_submission_classification_default.rb
+- db/archived_migrations/20131222021036_add_rejudge_at_to_problem.rb
+- db/archived_migrations/20140206025958_create_items_and_products.rb
+- db/archived_migrations/20140218212023_generate_scan_tokens.rb
+- db/archived_migrations/20141224134542_clean_language_model.rb
+- db/archived_migrations/20150109101859_add_school_country_year_to_users.rb
+- db/archived_migrations/20150116010255_normalize_line_endings.rb
+- db/archived_migrations/20150118010607_weighted_contests.rb
+- db/archived_migrations/20150118104425_calculate_weighted_columns.rb
+- db/archived_migrations/20160131000430_update_checked_in_field.rb
+- db/archived_migrations/20200418113600_add_live_scoreboard_field.rb
+- db/archived_migrations/20200418113601_add_offical_contestants.rb
+- db/migrate/20200418113601_load_schema.rb
 - db/seeds.rb
 - lib/development_mail_interceptor.rb
 - lib/ean13.rb
diff --git a/db/migrate/20110819224757_devise_create_users.rb b/db/archived_migrations/20110819224757_devise_create_users.rb
similarity index 100%
rename from db/migrate/20110819224757_devise_create_users.rb
rename to db/archived_migrations/20110819224757_devise_create_users.rb
diff --git a/db/migrate/20110820005833_create_test_cases.rb b/db/archived_migrations/20110820005833_create_test_cases.rb
similarity index 100%
rename from db/migrate/20110820005833_create_test_cases.rb
rename to db/archived_migrations/20110820005833_create_test_cases.rb
diff --git a/db/migrate/20110820010205_create_problems.rb b/db/archived_migrations/20110820010205_create_problems.rb
similarity index 100%
rename from db/migrate/20110820010205_create_problems.rb
rename to db/archived_migrations/20110820010205_create_problems.rb
diff --git a/db/migrate/20110820013719_create_submissions.rb b/db/archived_migrations/20110820013719_create_submissions.rb
similarity index 100%
rename from db/migrate/20110820013719_create_submissions.rb
rename to db/archived_migrations/20110820013719_create_submissions.rb
diff --git a/db/migrate/20110904033519_create_contest_relations.rb b/db/archived_migrations/20110904033519_create_contest_relations.rb
similarity index 100%
rename from db/migrate/20110904033519_create_contest_relations.rb
rename to db/archived_migrations/20110904033519_create_contest_relations.rb
diff --git a/db/migrate/20110904033742_create_contests.rb b/db/archived_migrations/20110904033742_create_contests.rb
similarity index 100%
rename from db/migrate/20110904033742_create_contests.rb
rename to db/archived_migrations/20110904033742_create_contests.rb
diff --git a/db/migrate/20110904045150_create_contests_problems_table.rb b/db/archived_migrations/20110904045150_create_contests_problems_table.rb
similarity index 100%
rename from db/migrate/20110904045150_create_contests_problems_table.rb
rename to db/archived_migrations/20110904045150_create_contests_problems_table.rb
diff --git a/db/migrate/20110924030742_create_groups.rb b/db/archived_migrations/20110924030742_create_groups.rb
similarity index 100%
rename from db/migrate/20110924030742_create_groups.rb
rename to db/archived_migrations/20110924030742_create_groups.rb
diff --git a/db/migrate/20110924035337_create_group_user_table.rb b/db/archived_migrations/20110924035337_create_group_user_table.rb
similarity index 100%
rename from db/migrate/20110924035337_create_group_user_table.rb
rename to db/archived_migrations/20110924035337_create_group_user_table.rb
diff --git a/db/migrate/20110925021620_create_group_problem_table.rb b/db/archived_migrations/20110925021620_create_group_problem_table.rb
similarity index 100%
rename from db/migrate/20110925021620_create_group_problem_table.rb
rename to db/archived_migrations/20110925021620_create_group_problem_table.rb
diff --git a/db/migrate/20111002021523_create_contest_group_table.rb b/db/archived_migrations/20111002021523_create_contest_group_table.rb
similarity index 100%
rename from db/migrate/20111002021523_create_contest_group_table.rb
rename to db/archived_migrations/20111002021523_create_contest_group_table.rb
diff --git a/db/migrate/20111022023246_add_judge_output_to_submissions.rb b/db/archived_migrations/20111022023246_add_judge_output_to_submissions.rb
similarity index 100%
rename from db/migrate/20111022023246_add_judge_output_to_submissions.rb
rename to db/archived_migrations/20111022023246_add_judge_output_to_submissions.rb
diff --git a/db/migrate/20111206102437_add_brownie_points_to_users.rb b/db/archived_migrations/20111206102437_add_brownie_points_to_users.rb
similarity index 100%
rename from db/migrate/20111206102437_add_brownie_points_to_users.rb
rename to db/archived_migrations/20111206102437_add_brownie_points_to_users.rb
diff --git a/db/migrate/20120109132817_add_evaluator_to_problem.rb b/db/archived_migrations/20120109132817_add_evaluator_to_problem.rb
similarity index 100%
rename from db/migrate/20120109132817_add_evaluator_to_problem.rb
rename to db/archived_migrations/20120109132817_add_evaluator_to_problem.rb
diff --git a/db/migrate/20120111090946_add_name_to_user.rb b/db/archived_migrations/20120111090946_add_name_to_user.rb
similarity index 100%
rename from db/migrate/20120111090946_add_name_to_user.rb
rename to db/archived_migrations/20120111090946_add_name_to_user.rb
diff --git a/db/migrate/20120115015112_create_contests_max_score_submissions_view.rb b/db/archived_migrations/20120115015112_create_contests_max_score_submissions_view.rb
similarity index 100%
rename from db/migrate/20120115015112_create_contests_max_score_submissions_view.rb
rename to db/archived_migrations/20120115015112_create_contests_max_score_submissions_view.rb
diff --git a/db/migrate/20120115020222_create_contests_latest_submissions_view.rb b/db/archived_migrations/20120115020222_create_contests_latest_submissions_view.rb
similarity index 100%
rename from db/migrate/20120115020222_create_contests_latest_submissions_view.rb
rename to db/archived_migrations/20120115020222_create_contests_latest_submissions_view.rb
diff --git a/db/migrate/20120115044124_create_contests_max_score_scoreboard_view.rb b/db/archived_migrations/20120115044124_create_contests_max_score_scoreboard_view.rb
similarity index 100%
rename from db/migrate/20120115044124_create_contests_max_score_scoreboard_view.rb
rename to db/archived_migrations/20120115044124_create_contests_max_score_scoreboard_view.rb
diff --git a/db/migrate/20120115044140_create_contests_latest_scoreboard_view.rb b/db/archived_migrations/20120115044140_create_contests_latest_scoreboard_view.rb
similarity index 100%
rename from db/migrate/20120115044140_create_contests_latest_scoreboard_view.rb
rename to db/archived_migrations/20120115044140_create_contests_latest_scoreboard_view.rb
diff --git a/db/migrate/20120115050204_create_contests_count_submissions_view.rb b/db/archived_migrations/20120115050204_create_contests_count_submissions_view.rb
similarity index 100%
rename from db/migrate/20120115050204_create_contests_count_submissions_view.rb
rename to db/archived_migrations/20120115050204_create_contests_count_submissions_view.rb
diff --git a/db/migrate/20120117133515_add_indexes_id_fields.rb b/db/archived_migrations/20120117133515_add_indexes_id_fields.rb
similarity index 100%
rename from db/migrate/20120117133515_add_indexes_id_fields.rb
rename to db/archived_migrations/20120117133515_add_indexes_id_fields.rb
diff --git a/db/migrate/20120119025544_create_problem_sets.rb b/db/archived_migrations/20120119025544_create_problem_sets.rb
similarity index 100%
rename from db/migrate/20120119025544_create_problem_sets.rb
rename to db/archived_migrations/20120119025544_create_problem_sets.rb
diff --git a/db/migrate/20120119081526_remove_problems_contests_groups.rb b/db/archived_migrations/20120119081526_remove_problems_contests_groups.rb
similarity index 100%
rename from db/migrate/20120119081526_remove_problems_contests_groups.rb
rename to db/archived_migrations/20120119081526_remove_problems_contests_groups.rb
diff --git a/db/migrate/20120122061329_create_roles.rb b/db/archived_migrations/20120122061329_create_roles.rb
similarity index 100%
rename from db/migrate/20120122061329_create_roles.rb
rename to db/archived_migrations/20120122061329_create_roles.rb
diff --git a/db/migrate/20120127063021_add_username_to_users.rb b/db/archived_migrations/20120127063021_add_username_to_users.rb
similarity index 100%
rename from db/migrate/20120127063021_add_username_to_users.rb
rename to db/archived_migrations/20120127063021_add_username_to_users.rb
diff --git a/db/migrate/20120128000525_create_settings.rb b/db/archived_migrations/20120128000525_create_settings.rb
similarity index 100%
rename from db/migrate/20120128000525_create_settings.rb
rename to db/archived_migrations/20120128000525_create_settings.rb
diff --git a/db/migrate/20120128235138_create_evaluators.rb b/db/archived_migrations/20120128235138_create_evaluators.rb
similarity index 100%
rename from db/migrate/20120128235138_create_evaluators.rb
rename to db/archived_migrations/20120128235138_create_evaluators.rb
diff --git a/db/migrate/20120131100212_add_user_to_group.rb b/db/archived_migrations/20120131100212_add_user_to_group.rb
similarity index 100%
rename from db/migrate/20120131100212_add_user_to_group.rb
rename to db/archived_migrations/20120131100212_add_user_to_group.rb
diff --git a/db/migrate/20120201080849_add_title_index_to_problem.rb b/db/archived_migrations/20120201080849_add_title_index_to_problem.rb
similarity index 100%
rename from db/migrate/20120201080849_add_title_index_to_problem.rb
rename to db/archived_migrations/20120201080849_add_title_index_to_problem.rb
diff --git a/db/migrate/20120201113029_add_sessions_table.rb b/db/archived_migrations/20120201113029_add_sessions_table.rb
similarity index 100%
rename from db/migrate/20120201113029_add_sessions_table.rb
rename to db/archived_migrations/20120201113029_add_sessions_table.rb
diff --git a/db/migrate/20120202100212_add_created_at_index_to_sessions.rb b/db/archived_migrations/20120202100212_add_created_at_index_to_sessions.rb
similarity index 100%
rename from db/migrate/20120202100212_add_created_at_index_to_sessions.rb
rename to db/archived_migrations/20120202100212_add_created_at_index_to_sessions.rb
diff --git a/db/migrate/20120208061444_add_avatar_to_user.rb b/db/archived_migrations/20120208061444_add_avatar_to_user.rb
similarity index 100%
rename from db/migrate/20120208061444_add_avatar_to_user.rb
rename to db/archived_migrations/20120208061444_add_avatar_to_user.rb
diff --git a/db/migrate/20120210235859_create_test_sets.rb b/db/archived_migrations/20120210235859_create_test_sets.rb
similarity index 100%
rename from db/migrate/20120210235859_create_test_sets.rb
rename to db/archived_migrations/20120210235859_create_test_sets.rb
diff --git a/db/migrate/20120610045635_add_debug_to_submission.rb b/db/archived_migrations/20120610045635_add_debug_to_submission.rb
similarity index 100%
rename from db/migrate/20120610045635_add_debug_to_submission.rb
rename to db/archived_migrations/20120610045635_add_debug_to_submission.rb
diff --git a/db/migrate/20120805020042_add_confirmable_to_users.rb b/db/archived_migrations/20120805020042_add_confirmable_to_users.rb
similarity index 100%
rename from db/migrate/20120805020042_add_confirmable_to_users.rb
rename to db/archived_migrations/20120805020042_add_confirmable_to_users.rb
diff --git a/db/migrate/20120805021508_make_existing_emails_unconfirmed_in_users.rb b/db/archived_migrations/20120805021508_make_existing_emails_unconfirmed_in_users.rb
similarity index 100%
rename from db/migrate/20120805021508_make_existing_emails_unconfirmed_in_users.rb
rename to db/archived_migrations/20120805021508_make_existing_emails_unconfirmed_in_users.rb
diff --git a/db/migrate/20120805105347_send_confirmation_instructions_to_all_users.rb b/db/archived_migrations/20120805105347_send_confirmation_instructions_to_all_users.rb
similarity index 100%
rename from db/migrate/20120805105347_send_confirmation_instructions_to_all_users.rb
rename to db/archived_migrations/20120805105347_send_confirmation_instructions_to_all_users.rb
diff --git a/db/migrate/20120806025011_set_name_of_test_sets_and_test_cases.rb b/db/archived_migrations/20120806025011_set_name_of_test_sets_and_test_cases.rb
similarity index 100%
rename from db/migrate/20120806025011_set_name_of_test_sets_and_test_cases.rb
rename to db/archived_migrations/20120806025011_set_name_of_test_sets_and_test_cases.rb
diff --git a/db/migrate/20120806212034_rename_user_to_owner.rb b/db/archived_migrations/20120806212034_rename_user_to_owner.rb
similarity index 100%
rename from db/migrate/20120806212034_rename_user_to_owner.rb
rename to db/archived_migrations/20120806212034_rename_user_to_owner.rb
diff --git a/db/migrate/20120807033035_add_end_time_to_contest_relations.rb b/db/archived_migrations/20120807033035_add_end_time_to_contest_relations.rb
similarity index 100%
rename from db/migrate/20120807033035_add_end_time_to_contest_relations.rb
rename to db/archived_migrations/20120807033035_add_end_time_to_contest_relations.rb
diff --git a/db/migrate/20120807042326_create_contest_scores.rb b/db/archived_migrations/20120807042326_create_contest_scores.rb
similarity index 100%
rename from db/migrate/20120807042326_create_contest_scores.rb
rename to db/archived_migrations/20120807042326_create_contest_scores.rb
diff --git a/db/migrate/20120810041325_add_results_final_to_contest.rb b/db/archived_migrations/20120810041325_add_results_final_to_contest.rb
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rename from db/migrate/20120810041325_add_results_final_to_contest.rb
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rename from db/migrate/20200418113600_add_live_scoreboard_field.rb
rename to db/archived_migrations/20200418113600_add_live_scoreboard_field.rb
diff --git a/db/migrate/20200418113601_add_offical_contestants.rb b/db/archived_migrations/20200418113601_add_offical_contestants.rb
similarity index 100%
rename from db/migrate/20200418113601_add_offical_contestants.rb
rename to db/archived_migrations/20200418113601_add_offical_contestants.rb
diff --git a/db/migrate/20200418113601_load_schema.rb b/db/migrate/20200418113601_load_schema.rb
new file mode 100644
index 00000000..802e35c3
--- /dev/null
+++ b/db/migrate/20200418113601_load_schema.rb
@@ -0,0 +1,418 @@
+class LoadSchema < ActiveRecord::Migration
+  def up
+    if ActiveRecord::Migrator.current_version != 0
+      raise StandardError, "The database schema is out of date; running this migration will cause irreversible data loss!"
+    end
+
+    # Load the schema from a snapshot of db/schema.rb (see below)
+    load_schema
+
+    # Statements that aren't supported by db/schema.rb
+    execute "CREATE UNIQUE INDEX index_users_on_username ON users (lower(username))"
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end
+
+# Snapshot of db/schema.rb.
+# (We define this instance method outside of the class, so that its body will
+# have the same indentation as the original code from db/schema.rb.)
+LoadSchema.send(:define_method, :load_schema) do
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
+
+  create_table "contest_relations", force: :cascade do |t|
+    t.integer  "user_id"
+    t.integer  "contest_id"
+    t.datetime "started_at"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.datetime "finish_at"
+    t.integer  "score",                   default: 0,     null: false
+    t.float    "time_taken",              default: 0.0,   null: false
+    t.integer  "school_id"
+    t.integer  "status",                  default: 0
+    t.integer  "extra_time",              default: 0
+    t.datetime "start_time"
+    t.datetime "end_time"
+    t.string   "country_code",  limit: 2
+    t.integer  "school_year"
+    t.integer  "supervisor_id"
+    t.boolean  "checked_in",              default: false
+  end
+
+  add_index "contest_relations", ["contest_id", "score", "time_taken"], name: "index_contest_relations_on_contest_id_and_score_and_time_taken", order: {"score"=>:desc}, using: :btree
+  add_index "contest_relations", ["contest_id", "user_id"], name: "index_contest_relations_on_contest_id_and_user_id", unique: true, using: :btree
+  add_index "contest_relations", ["user_id", "started_at"], name: "index_contest_relations_on_user_id_and_started_at", using: :btree
+
+  create_table "contest_scores", force: :cascade do |t|
+    t.integer  "contest_relation_id", null: false
+    t.integer  "problem_id",          null: false
+    t.integer  "score"
+    t.integer  "attempts"
+    t.integer  "attempt"
+    t.integer  "submission_id"
+    t.datetime "updated_at"
+  end
+
+  add_index "contest_scores", ["contest_relation_id", "problem_id"], name: "index_contest_scores_on_contest_relation_id_and_problem_id", using: :btree
+
+  create_table "contest_supervisors", force: :cascade do |t|
+    t.integer  "contest_id"
+    t.integer  "user_id"
+    t.string   "site_type",            limit: 255
+    t.integer  "site_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.datetime "scheduled_start_time"
+  end
+
+  create_table "contests", force: :cascade do |t|
+    t.string   "name",                           limit: 255
+    t.datetime "start_time"
+    t.datetime "end_time"
+    t.decimal  "duration"
+    t.integer  "owner_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "problem_set_id"
+    t.datetime "finalized_at"
+    t.string   "startcode",                      limit: 255
+    t.integer  "observation",                                default: 1
+    t.integer  "registration",                               default: 0
+    t.integer  "affiliation",                                default: 0
+    t.boolean  "live_scoreboard",                            default: true
+    t.boolean  "only_rank_official_contestants",             default: false
+  end
+
+  create_table "entities", force: :cascade do |t|
+    t.string  "name",        limit: 255
+    t.integer "entity_id"
+    t.string  "entity_type", limit: 255
+  end
+
+  create_table "evaluators", force: :cascade do |t|
+    t.string   "name",        limit: 255,              null: false
+    t.text     "description",             default: "", null: false
+    t.text     "source",                  default: "", null: false
+    t.integer  "owner_id",                             null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  create_table "file_attachments", force: :cascade do |t|
+    t.string   "name",            limit: 255
+    t.string   "file_attachment", limit: 255
+    t.integer  "owner_id"
+    t.datetime "created_at",                  null: false
+    t.datetime "updated_at",                  null: false
+  end
+
+  create_table "filelinks", force: :cascade do |t|
+    t.integer  "root_id"
+    t.integer  "file_attachment_id"
+    t.datetime "created_at"
+    t.string   "filepath",           limit: 255
+    t.string   "root_type",          limit: 255
+    t.integer  "visibility",         limit: 2,   default: 0
+  end
+
+  add_index "filelinks", ["file_attachment_id"], name: "index_filelinks_on_file_attachment_id", using: :btree
+  add_index "filelinks", ["root_id", "filepath"], name: "index_filelinks_on_root_id_and_filepath", using: :btree
+
+  create_table "group_contests", force: :cascade do |t|
+    t.integer "group_id"
+    t.integer "contest_id"
+  end
+
+  add_index "group_contests", ["contest_id", "group_id"], name: "index_group_contests_on_contest_id_and_group_id", using: :btree
+  add_index "group_contests", ["group_id", "contest_id"], name: "index_group_contests_on_group_id_and_contest_id", using: :btree
+
+  create_table "group_memberships", force: :cascade do |t|
+    t.integer  "group_id"
+    t.integer  "member_id"
+    t.datetime "created_at"
+  end
+
+  create_table "group_problem_sets", force: :cascade do |t|
+    t.integer "group_id"
+    t.integer "problem_set_id"
+    t.string  "name",           limit: 255
+  end
+
+  add_index "group_problem_sets", ["group_id", "problem_set_id"], name: "index_group_problem_sets_on_group_id_and_problem_set_id", using: :btree
+  add_index "group_problem_sets", ["problem_set_id", "group_id"], name: "index_group_problem_sets_on_problem_set_id_and_group_id", using: :btree
+
+  create_table "groups", force: :cascade do |t|
+    t.string   "name",       limit: 255
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "owner_id"
+    t.integer  "visibility",             default: 0, null: false
+    t.integer  "membership",             default: 0, null: false
+  end
+
+  create_table "item_histories", force: :cascade do |t|
+    t.integer  "item_id"
+    t.boolean  "active"
+    t.integer  "action"
+    t.integer  "holder_id"
+    t.string   "data",       limit: 255
+    t.datetime "acted_at"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  create_table "items", force: :cascade do |t|
+    t.integer "product_id"
+    t.integer "owner_id"
+    t.integer "organisation_id"
+    t.integer "sponsor_id"
+    t.integer "condition"
+    t.integer "status"
+    t.integer "holder_id"
+    t.integer "donator_id"
+    t.integer "scan_token"
+  end
+
+  create_table "language_groups", force: :cascade do |t|
+    t.string   "identifier",          limit: 255
+    t.string   "name",                limit: 255
+    t.integer  "current_language_id"
+    t.datetime "created_at",                      null: false
+    t.datetime "updated_at",                      null: false
+  end
+
+  add_index "language_groups", ["identifier"], name: "index_language_groups_on_identifier", unique: true, using: :btree
+
+  create_table "languages", force: :cascade do |t|
+    t.string   "identifier",          limit: 255
+    t.string   "compiler",            limit: 255
+    t.boolean  "interpreted"
+    t.datetime "created_at",                                  null: false
+    t.datetime "updated_at",                                  null: false
+    t.string   "extension",           limit: 255
+    t.boolean  "compiled"
+    t.string   "name",                limit: 255
+    t.string   "lexer",               limit: 255
+    t.integer  "group_id"
+    t.string   "source_filename",     limit: 255
+    t.string   "exe_extension",       limit: 255
+    t.string   "compiler_command",    limit: 255
+    t.string   "interpreter",         limit: 255
+    t.string   "interpreter_command", limit: 255
+    t.integer  "processes",                       default: 1
+  end
+
+  add_index "languages", ["identifier"], name: "index_languages_on_identifier", unique: true, using: :btree
+
+  create_table "organisations", force: :cascade do |t|
+  end
+
+  create_table "problem_series", force: :cascade do |t|
+    t.string "name",          limit: 255
+    t.string "identifier",    limit: 255
+    t.string "importer_type", limit: 255
+    t.text   "index_yaml"
+  end
+
+  create_table "problem_set_problems", force: :cascade do |t|
+    t.integer "problem_set_id"
+    t.integer "problem_id"
+    t.integer "problem_set_order"
+    t.integer "weighting",         default: 100
+  end
+
+  add_index "problem_set_problems", ["problem_id", "problem_set_id"], name: "index_problem_set_problems_on_problem_id_and_problem_set_id", using: :btree
+  add_index "problem_set_problems", ["problem_set_id", "problem_id"], name: "index_problem_set_problems_on_problem_set_id_and_problem_id", using: :btree
+
+  create_table "problem_sets", force: :cascade do |t|
+    t.string   "name",                     limit: 255
+    t.integer  "owner_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "finalized_contests_count",             default: 0
+  end
+
+  create_table "problems", force: :cascade do |t|
+    t.string   "name",               limit: 255
+    t.text     "statement"
+    t.string   "input",              limit: 255
+    t.string   "output",             limit: 255
+    t.integer  "memory_limit"
+    t.decimal  "time_limit"
+    t.integer  "owner_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "evaluator_id"
+    t.datetime "rejudge_at"
+    t.integer  "test_error_count",               default: 0
+    t.integer  "test_warning_count",             default: 0
+    t.integer  "test_status",                    default: 0
+  end
+
+  create_table "products", force: :cascade do |t|
+    t.string  "name",        limit: 255
+    t.integer "gtin",        limit: 8
+    t.text    "description"
+    t.string  "image",       limit: 255
+  end
+
+  create_table "requests", force: :cascade do |t|
+    t.integer  "requester_id"
+    t.integer  "subject_id"
+    t.string   "subject_type", limit: 255
+    t.string   "verb",         limit: 255,                      null: false
+    t.integer  "target_id",                                     null: false
+    t.string   "target_type",  limit: 255,                      null: false
+    t.integer  "status",                   default: 0,          null: false
+    t.integer  "requestee_id"
+    t.datetime "expired_at",               default: 'Infinity', null: false
+    t.datetime "created_at",                                    null: false
+    t.datetime "updated_at",                                    null: false
+  end
+
+  create_table "roles", force: :cascade do |t|
+    t.string "name", limit: 255
+  end
+
+  create_table "roles_users", id: false, force: :cascade do |t|
+    t.integer "role_id"
+    t.integer "user_id"
+  end
+
+  create_table "schools", force: :cascade do |t|
+    t.string  "name",         limit: 255
+    t.string  "country_code", limit: 2
+    t.integer "users_count"
+    t.integer "synonym_id"
+  end
+
+  create_table "sessions", force: :cascade do |t|
+    t.string   "session_id", limit: 255, null: false
+    t.text     "data"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "sessions", ["created_at"], name: "index_sessions_on_created_at", using: :btree
+  add_index "sessions", ["session_id"], name: "index_sessions_on_session_id", using: :btree
+  add_index "sessions", ["updated_at"], name: "index_sessions_on_updated_at", using: :btree
+
+  create_table "settings", force: :cascade do |t|
+    t.string "key",   limit: 255
+    t.string "value", limit: 255
+  end
+
+  add_index "settings", ["key"], name: "index_settings_on_key", unique: true, using: :btree
+
+  create_table "submissions", force: :cascade do |t|
+    t.text     "source"
+    t.integer  "score"
+    t.integer  "user_id"
+    t.integer  "problem_id"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.string   "input",          limit: 255
+    t.string   "output",         limit: 255
+    t.integer  "language_id"
+    t.text     "judge_log"
+    t.datetime "judged_at"
+    t.string   "job",            limit: 255
+    t.integer  "classification"
+    t.string   "test_errors",    limit: 255, array: true
+    t.string   "test_warnings",  limit: 255, array: true
+    t.float    "evaluation"
+    t.decimal  "points"
+    t.integer  "maximum_points"
+  end
+
+  add_index "submissions", ["problem_id", "created_at"], name: "index_submissions_on_problem_id_and_created_at", using: :btree
+  add_index "submissions", ["user_id", "problem_id"], name: "index_submissions_on_user_id_and_problem_id", using: :btree
+
+  create_table "test_case_relations", force: :cascade do |t|
+    t.integer  "test_case_id"
+    t.integer  "test_set_id"
+    t.datetime "created_at",   null: false
+    t.datetime "updated_at",   null: false
+  end
+
+  add_index "test_case_relations", ["test_case_id"], name: "index_test_case_relations_on_test_case_id", using: :btree
+  add_index "test_case_relations", ["test_set_id"], name: "index_test_case_relations_on_test_set_id", using: :btree
+
+  create_table "test_cases", force: :cascade do |t|
+    t.text     "input"
+    t.text     "output"
+    t.string   "name",          limit: 255
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "problem_id"
+    t.boolean  "sample",                    default: false
+    t.integer  "problem_order"
+  end
+
+  add_index "test_cases", ["problem_id", "name"], name: "index_test_cases_on_problem_id_and_name", unique: true, using: :btree
+
+  create_table "test_sets", force: :cascade do |t|
+    t.integer  "problem_id"
+    t.integer  "points"
+    t.string   "name",          limit: 255
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.boolean  "prerequisite",              default: false
+    t.integer  "problem_order"
+  end
+
+  add_index "test_sets", ["problem_id", "name"], name: "index_test_sets_on_problem_id_and_name", unique: true, using: :btree
+
+  create_table "user_problem_relations", force: :cascade do |t|
+    t.integer  "problem_id"
+    t.integer  "user_id"
+    t.integer  "submissions_count"
+    t.integer  "ranked_score"
+    t.integer  "ranked_submission_id"
+    t.integer  "submission_id"
+    t.datetime "last_viewed_at"
+    t.datetime "first_viewed_at"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "user_problem_relations", ["problem_id", "ranked_score"], name: "index_user_problem_relations_on_problem_id_and_ranked_score", using: :btree
+  add_index "user_problem_relations", ["user_id", "problem_id"], name: "index_user_problem_relations_on_user_id_and_problem_id", unique: true, using: :btree
+
+  create_table "users", force: :cascade do |t|
+    t.string   "email",                  limit: 255, default: "",    null: false
+    t.string   "encrypted_password",     limit: 255, default: "",    null: false
+    t.string   "reset_password_token",   limit: 255
+    t.datetime "reset_password_sent_at"
+    t.datetime "remember_created_at"
+    t.integer  "sign_in_count",                      default: 0
+    t.datetime "current_sign_in_at"
+    t.datetime "last_sign_in_at"
+    t.string   "current_sign_in_ip",     limit: 255
+    t.string   "last_sign_in_ip",        limit: 255
+    t.datetime "created_at"
+    t.datetime "updated_at"
+    t.integer  "brownie_points",                     default: 0
+    t.string   "name",                   limit: 255
+    t.string   "username",               limit: 255,                 null: false
+    t.boolean  "can_change_username",                default: false, null: false
+    t.string   "avatar",                 limit: 255
+    t.string   "confirmation_token",     limit: 255
+    t.datetime "confirmed_at"
+    t.datetime "confirmation_sent_at"
+    t.string   "unconfirmed_email",      limit: 255
+    t.datetime "last_seen_at"
+    t.integer  "school_id"
+    t.string   "country_code",           limit: 3
+    t.date     "school_graduation"
+  end
+
+  add_index "users", ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree
+  add_index "users", ["email"], name: "index_users_on_email", unique: true, using: :btree
+  add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
+
+end