fixes #1535

script/fixes/028_fix_has_children.rb

@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'config', 'environment'))
+
+ActiveRecord::Base.connection.execute("set statement_timeout = 0")
+
+CurrentUser.user = User.admins.first
+CurrentUser.ip_addr = "127.0.0.1"
+
+CurrentUser.without_safe_mode do
+  Post.update_all("has_children = false", "has_children = true")
+  Post.update_all("has_children = true", "exists (select 1 from posts _ where _.parent_id = posts.id limit 1)")
+end