ActiveRecord::ConnectionAdapters::QueryCache

    # File lib/active_record/connection_adapters/abstract/query_cache.rb, line 11
11:         def dirties_query_cache(base, *method_names)
12:           method_names.each do |method_name|
13:             base.class_eval               def #{method_name}(*)                         # def update_with_query_dirty(*args)                clear_query_cache if @query_cache_enabled   #   clear_query_cache if @query_cache_enabled                super                                       #   update_without_query_dirty(*args)              end                                           # end, __FILE__, __LINE__ + 1
14:           end
15:         end

   # File lib/active_record/connection_adapters/abstract/query_cache.rb, line 7
7:         def included(base)
8:           dirties_query_cache base, :insert, :update, :delete
9:         end

    # File lib/active_record/connection_adapters/abstract/query_cache.rb, line 26
26:       def cache
27:         old, @query_cache_enabled = @query_cache_enabled, true
28:         yield
29:       ensure
30:         clear_query_cache
31:         @query_cache_enabled = old
32:       end

    # File lib/active_record/connection_adapters/abstract/query_cache.rb, line 48
48:       def clear_query_cache
49:         @query_cache.clear
50:       end

    # File lib/active_record/connection_adapters/abstract/query_cache.rb, line 52
52:       def select_all(*args)
53:         if @query_cache_enabled
54:           cache_sql(args.first) { super }
55:         else
56:           super
57:         end
58:       end

    # File lib/active_record/connection_adapters/abstract/query_cache.rb, line 35
35:       def uncached
36:         old, @query_cache_enabled = @query_cache_enabled, false
37:         yield
38:       ensure
39:         @query_cache_enabled = old
40:       end

    # File lib/active_record/connection_adapters/abstract/query_cache.rb, line 61
61:         def cache_sql(sql)
62:           result =
63:             if @query_cache.has_key?(sql)
64:               ActiveSupport::Notifications.instrument("sql.active_record",
65:                 :sql => sql, :name => "CACHE", :connection_id => self.object_id)
66:               @query_cache[sql]
67:             else
68:               @query_cache[sql] = yield
69:             end
70: 
71:           if Array === result
72:             result.collect { |row| row.dup }
73:           else
74:             result.duplicable? ? result.dup : result
75:           end
76:         rescue TypeError
77:           result
78:         end