class ActiveRecord::ConnectionAdapters::MysqlAdapter::StatementPool

Public Class Methods

new(connection, max = 1000) click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 72
def initialize(connection, max = 1000)
  super
  @cache = Hash.new { |h,pid| h[pid] = {} }
end

Public Instance Methods

[](key) click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 79
def [](key);      cache[key]; end
[]=(sql, key) click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 83
def []=(sql, key)
  while @max <= cache.size
    cache.shift.last[:stmt].close
  end
  cache[sql] = key
end
clear() click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 90
def clear
  cache.each_value do |hash|
    hash[:stmt].close
  end
  cache.clear
end
delete(key) click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 81
def delete(key);  cache.delete(key); end
each(&block) click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 77
def each(&block); cache.each(&block); end
key?(key) click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 78
def key?(key);    cache.key?(key); end
length() click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 80
def length;       cache.length; end

Private Instance Methods

cache() click to toggle source
# File lib/active_record/connection_adapters/mysql_adapter.rb, line 98
def cache
  @cache[Process.pid]
end