Add old id column

db/migrate/20230215112932_add_old_id_to_sales_logs.rb

@@ -0,0 +1,8 @@
+class AddOldIdToSalesLogs < ActiveRecord::Migration[7.0]
+  def change
+    change_table :sales_logs, bulk: true do |t|
+      t.column :old_id, :string
+    end
+    add_index :sales_logs, :old_id, unique: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_02_13_140932) do
+ActiveRecord::Schema[7.0].define(version: 2023_02_15_112932) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -522,16 +522,18 @@ ActiveRecord::Schema[7.0].define(version: 2023_02_13_140932) do
     t.integer "old_persons_shared_ownership_value_check"
     t.integer "staircase_bought_value_check"
     t.integer "monthly_charges_value_check"
+    t.integer "saledate_check"
     t.integer "details_known_5"
     t.integer "details_known_6"
-    t.integer "saledate_check"
-    t.integer "prevshared"
-    t.integer "staircasesale"
     t.integer "ethnic_group2"
     t.integer "ethnicbuy2"
     t.integer "proplen_asked"
+    t.integer "prevshared"
+    t.integer "staircasesale"
+    t.string "old_id"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
+    t.index ["old_id"], name: "index_sales_logs_on_old_id", unique: true
     t.index ["owning_organisation_id"], name: "index_sales_logs_on_owning_organisation_id"
     t.index ["updated_by_id"], name: "index_sales_logs_on_updated_by_id"
   end