adapter.rb in chrono_model-0.12.1

- old
+ new

@@ -44,12 +44,10 @@
       transaction do
         _on_temporal_schema { super }
         _on_history_schema { chrono_create_history_for(table_name) }
 
         chrono_create_view_for(table_name, options)
-
-        TableCache.add! table_name
       end
     end
 
     # If renaming a temporal table, rename the history and view as well.
     #
@@ -113,13 +111,10 @@
         end
 
         # Create view and functions
         #
         chrono_create_view_for(new_name)
-
-        TableCache.del! name
-        TableCache.add! new_name
       end
     end
 
     # If changing a temporal table, redirect the change to the table in the
     # temporal schema and recreate views.
@@ -146,12 +141,10 @@
             execute "ALTER TABLE #{table_name} SET SCHEMA #{TEMPORAL_SCHEMA}"
             _on_history_schema { chrono_create_history_for(table_name) }
             chrono_create_view_for(table_name, options)
             copy_indexes_to_history_for(table_name)
 
-            TableCache.add! table_name
-
             # Optionally copy the plain table data, setting up history
             # retroactively.
             #
             if options[:copy_data]
               seq  = _on_history_schema { serial_sequence(table_name, primary_key(table_name)) }
@@ -189,12 +182,10 @@
                 execute "ALTER TABLE #{table_name} DROP __chrono_id"
               end
 
               execute "ALTER TABLE #{table_name} SET SCHEMA #{default_schema}"
             end
-
-            TableCache.del! table_name
           end
 
           super table_name, options, &block
         end
       end
@@ -205,12 +196,10 @@
     #
     def drop_table(table_name, *)
       return super unless is_chrono?(table_name)
 
       _on_temporal_schema { execute "DROP TABLE #{table_name} CASCADE" }
-
-      TableCache.del! table_name
     end
 
     # If adding an index to a temporal table, add it to the one in the
     # temporal schema and to the history one. If the `:unique` option is
     # present, it is removed from the index created in the history table.
@@ -450,23 +439,14 @@
         end
       end
       @_on_schema_nesting -= 1
     end
 
-    TableCache = (Class.new(Hash) do
-      def all         ; keys;                      ; end
-      def add!  table ; self[table.to_s] = true    ; end
-      def del!  table ; self[table.to_s] = nil     ; end
-      def fetch table ; self[table.to_s] ||= yield ; end
-    end).new
-
     # Returns true if the given name references a temporal table.
     #
     def is_chrono?(table)
-      TableCache.fetch(table) do
-        _on_temporal_schema { chrono_data_source_exists?(table) } &&
+      _on_temporal_schema { chrono_data_source_exists?(table) } &&
         _on_history_schema { chrono_data_source_exists?(table) }
-      end
 
     rescue ActiveRecord::StatementInvalid => e
       # means that we could not change the search path to check for
       # table existence
       if is_exception_class?(e, PG::InvalidSchemaName, PG::InvalidParameterValue)