Reworked database schema from scratch

db/migrations/0003_add_tests_table.rb

@@ -1,31 +0,0 @@
-Sequel.migration do
-
-  up do
-    # create tests table
-    create_table(:tests) do
-      primary_key :id
-      String :date_tag, null: false
-      DateTime :created_at, default: Sequel::CURRENT_TIMESTAMP
-      DateTime :updated_at, default: Sequel::CURRENT_TIMESTAMP
-    end
-
-    # add foreign keys to tests table
-    alter_table(:tests) do
-      add_foreign_key(:benchmark_id, :benchmarks, null: false)
-      add_foreign_key(:hardware_id, :hardware, null: false)
-    end
-
-    # add the test ID link to results table; remove old links to hardware and benchmarks tables
-    alter_table(:results) do
-      add_foreign_key(:test_id, :tests, null: false)
-      drop_column(:benchmark_id)
-      drop_column(:hardware_id)
-    end
-  end
-
-  down do
-    drop_column(:results, :test_id)
-    drop_table(:tests)
-  end
-
-end