Optimise gcp_clusters table schema

db/migrate/20170924094327_create_gcp_clusters.rb

@@ -3,13 +3,21 @@ class CreateGcpClusters < ActiveRecord::Migration
 
   def change
     create_table :gcp_clusters do |t|
+      # Order columns by best align scheme
       t.references :project, null: false, index: { unique: true }, foreign_key: { on_delete: :cascade }
       t.references :user, foreign_key: { on_delete: :nullify }
       t.references :service, foreign_key: { on_delete: :nullify }
+      t.integer :status
+      t.integer :gcp_cluster_size, null: false
 
-      # General
+      # Timestamps
+      t.datetime_with_timezone :created_at, null: false
+      t.datetime_with_timezone :updated_at, null: false
+
+      # Enable/disable
       t.boolean :enabled, default: true
-      t.integer :status
+
+      # General
       t.text :status_reason
 
       # k8s integration specific
@@ -28,14 +36,10 @@ class CreateGcpClusters < ActiveRecord::Migration
       t.string :gcp_project_id, null: false
       t.string :gcp_cluster_zone, null: false
       t.string :gcp_cluster_name, null: false
-      t.integer :gcp_cluster_size, null: false
       t.string :gcp_machine_type
       t.string :gcp_operation_id
       t.text :encrypted_gcp_token
       t.string :encrypted_gcp_token_iv
-
-      t.datetime_with_timezone :created_at, null: false
-      t.datetime_with_timezone :updated_at, null: false
     end
   end
 end

db/schema.rb

@@ -583,8 +583,11 @@ ActiveRecord::Schema.define(version: 20171004121444) do
     t.integer "project_id", null: false
     t.integer "user_id"
     t.integer "service_id"
-    t.boolean "enabled", default: true
     t.integer "status"
+    t.integer "gcp_cluster_size", null: false
+    t.datetime_with_timezone "created_at", null: false
+    t.datetime_with_timezone "updated_at", null: false
+    t.boolean "enabled", default: true
     t.text "status_reason"
     t.string "project_namespace"
     t.string "endpoint"
@@ -597,13 +600,10 @@ ActiveRecord::Schema.define(version: 20171004121444) do
     t.string "gcp_project_id", null: false
     t.string "gcp_cluster_zone", null: false
     t.string "gcp_cluster_name", null: false
-    t.integer "gcp_cluster_size", null: false
     t.string "gcp_machine_type"
     t.string "gcp_operation_id"
     t.text "encrypted_gcp_token"
     t.string "encrypted_gcp_token_iv"
-    t.datetime_with_timezone "created_at", null: false
-    t.datetime_with_timezone "updated_at", null: false
   end
 
   add_index "gcp_clusters", ["project_id"], name: "index_gcp_clusters_on_project_id", unique: true, using: :btree