Merged new models migrations

db/migrate/001_create_schema.rb

@@ -47,5 +47,27 @@ class CreateSchema < ActiveRecord::Migration
       t.references :unit
       t.timestamps null: false
     end
+
+    create_table :measurements do |t|
+      t.references :project
+      t.string :name
+      t.boolean :hidden
+      t.references :source
+      t.timestamps null: false
+    end
+
+    create_table :readouts do |t|
+      t.references :measurement
+      t.references :quantity
+      t.references :unit
+      t.timestamps null: false
+    end
+
+    create_table :readout_values do |t|
+      t.references :readout
+      t.decimal :value, precision: 12, scale: 6
+      t.timestamp :taken_at
+      t.timestamps null: false
+    end
   end
 end

db/migrate/003_create_measurements.rb

@@ -1,10 +0,0 @@
-class CreateMeasurements < ActiveRecord::Migration
-  def change
-    create_table :measurements do |t|
-      t.string :name
-      t.boolean :hidden
-      t.references :source, index: true, foreign_key: true
-    end
-    add_index :measurements, :source_id
-  end
-end

db/migrate/004_create_readouts.rb

@@ -1,12 +0,0 @@
-class CreateReadouts < ActiveRecord::Migration
-  def change
-    create_table :readouts do |t|
-      t.references :measurement, index: true, foreign_key: true
-      t.references :quantity, index: true, foreign_key: true
-      t.references :unit, index: true, foreign_key: true
-    end
-    add_index :readouts, :measurement_id
-    add_index :readouts, :quantity_id
-    add_index :readouts, :unit_id
-  end
-end

db/migrate/005_create_readout_values.rb

@@ -1,10 +0,0 @@
-class CreateReadoutValues < ActiveRecord::Migration
-  def change
-    create_table :readout_values do |t|
-      t.references :readout, index: true, foreign_key: true
-      t.decimal :value
-      t.timestamp :taken_at
-    end
-    add_index :readout_values, :readout_id
-  end
-end