Initial commit

db/migrate/20200805102001_create_stats_member_pnl_idx.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class CreateStatsMemberPnlIdx < ActiveRecord::Migration[5.2]
+  def change
+    create_table :stats_member_pnl_idx do |t|
+      t.string :pnl_currency_id, limit: 10, null: false
+      t.string :currency_id, limit: 10, null: false
+      t.string :reference_type, limit: 255, null: false
+      t.bigint :last_id
+      t.datetime :created_at, null: false, default: -> { 'CURRENT_TIMESTAMP' }
+
+      case ActiveRecord::Base.connection.adapter_name
+      when 'Mysql2'
+        t.datetime :updated_at, null: false, default: -> { 'CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP' }
+
+      when 'PostgreSQL'
+        t.datetime :updated_at, null: false, default: -> { 'CURRENT_TIMESTAMP' }
+
+      else
+        raise "Unsupported adapter: #{ActiveRecord::Base.connection.adapter_name}"
+      end
+
+
+      t.index %i[pnl_currency_id currency_id last_id], name: 'index_currency_ids_and_last_id'
+      t.index %i[pnl_currency_id currency_id reference_type], unique: true, name: 'index_currency_ids_and_type'
+    end
+  end
+end