From 45b7209f1f8b80f33ce104185f22c61503008dd3 Mon Sep 17 00:00:00 2001 From: Aaron Patterson Date: Mon, 27 Jun 2011 17:45:34 -0700 Subject: cache column defaults for AR object instantiation --- .../connection_adapters/abstract/connection_pool.rb | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'activerecord/lib/active_record/connection_adapters/abstract') diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index 090f6bc6fe..ddfdb05297 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -60,6 +60,7 @@ module ActiveRecord attr_accessor :automatic_reconnect attr_reader :spec, :connections attr_reader :columns, :columns_hash, :primary_keys, :tables + attr_reader :column_defaults # Creates a new ConnectionPool object. +spec+ is a ConnectionSpecification # object which describes database connection information (e.g. adapter, @@ -106,6 +107,12 @@ module ActiveRecord }] end + @column_defaults = Hash.new do |h, table_name| + h[table_name] = Hash[columns[table_name].map { |col| + [col.name, col.default] + }] + end + @primary_keys = Hash.new do |h, table_name| h[table_name] = with_connection do |conn| table_exists?(table_name) ? conn.primary_key(table_name) : 'id' @@ -133,6 +140,7 @@ module ActiveRecord def clear_cache! @columns.clear @columns_hash.clear + @column_defaults.clear @tables.clear end @@ -140,6 +148,7 @@ module ActiveRecord def clear_table_cache!(table_name) @columns.delete table_name @columns_hash.delete table_name + @column_defaults.delete table_name @primary_keys.delete table_name end -- cgit v1.2.3