Ruby dies with "method `method_missing' called on terminated object"

log

% ruby ragnarok_items.rb > log.txt
ragnarok_items.rb:14:in `block in initialize': NotImplementedError: method `method_missing' called on terminated object (0x00000101cf7018 flags=0x0 klass=0x0): SELECT "items".* FROM "items"  WHERE (regex(name_iro, 'Battle Axe')) (ActiveRecord::StatementInvalid)
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/database.rb:321:in `call'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/database.rb:321:in `block in create_function'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/statement.rb:108:in `call'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/statement.rb:108:in `step'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/statement.rb:108:in `block in each'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/statement.rb:107:in `loop'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/sqlite3-1.3.5/lib/sqlite3/statement.rb:107:in `each'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/sqlite_adapter.rb:253:in `to_a'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/sqlite_adapter.rb:253:in `block in exec_query'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/abstract_adapter.rb:280:in `block in log'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activesupport-3.2.0/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/abstract_adapter.rb:275:in `log'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/sqlite_adapter.rb:247:in `exec_query'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/sqlite_adapter.rb:465:in `select'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/abstract/database_statements.rb:16:in `select_all'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/connection_adapters/abstract/query_cache.rb:63:in `select_all'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/querying.rb:38:in `block in find_by_sql'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/explain.rb:38:in `logging_query_plan'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/querying.rb:37:in `find_by_sql'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/relation.rb:170:in `exec_queries'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/relation.rb:159:in `block in to_a'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/explain.rb:38:in `logging_query_plan'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/relation.rb:158:in `to_a'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/relation/finder_methods.rb:159:in `all'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/relation/finder_methods.rb:105:in `find'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/relation/finder_methods.rb:101:in `find'
	from /opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.2.0/lib/active_record/querying.rb:5:in `find'
	from ragnarok_items.rb:29:in `search'
	from ragnarok_items.rb:40:in `block in <main>'
	from ragnarok_items.rb:38:in `times'
	from ragnarok_items.rb:38:in `<main>'
% ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin10]

ragnarok_items.rb

require "active_record"
require "sqlite3"

conn = ActiveRecord::Base.establish_connection(
  :adapter => "sqlite3",
  :database => "ragnarok_items.db"
)

class ActiveRecord::ConnectionAdapters::SQLite3Adapter
  def initialize(conn, logger, config)
    super
    conn.create_function("regex", 2, :numeric) do |func, value, regex|
      if value and regex then
        value.force_encoding("utf-8")
        regex.force_encoding("utf-8")
        func.result = (value =~ /#{regex}/i)? 1: 0
      else
        func.result = 0
      end
    end
  end
end

class RagnarokItem < ActiveRecord::Base
  self.table_name = "items"
end

def search(regex)
  RagnarokItem.find(
    :all,
    :conditions => [
      "regex(name_iro, :regex)",
      {regex: regex}
    ]
  )
end

10000.times do |i|
  puts i
  p search("Battle Axe")
end