Migration to set state column in users table to not null (#13084)

db/migrate/20171115123000_set_users_state_column_to_not_null.rb

@@ -0,0 +1,16 @@
+require 'carto/db/migration_helper'
+
+include Carto::Db::MigrationHelper
+
+migration(
+  Proc.new do
+    alter_table :users do
+      set_column_not_null :state
+    end
+  end,
+  Proc.new do
+    alter_table :users do
+      set_column_allow_null :state
+    end
+  end
+)