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-rw-r--r--activerecord/lib/active_record/attribute_methods/read.rb4
-rw-r--r--activerecord/lib/active_record/migration.rb2
-rw-r--r--activerecord/lib/active_record/migration/command_recorder.rb18
3 files changed, 17 insertions, 7 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb
index 2363cf7608..5197e21fa4 100644
--- a/activerecord/lib/active_record/attribute_methods/read.rb
+++ b/activerecord/lib/active_record/attribute_methods/read.rb
@@ -56,14 +56,12 @@ module ActiveRecord
end
end
- ID = 'id'.freeze
-
# Returns the value of the attribute identified by <tt>attr_name</tt> after
# it has been typecast (for example, "2004-12-12" in a date column is cast
# to a date object, like Date.new(2004, 12, 12)).
def read_attribute(attr_name, &block)
name = attr_name.to_s
- name = self.class.primary_key if name == ID
+ name = self.class.primary_key if name == 'id'.freeze
_read_attribute(name, &block)
end
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 4901f9dafd..b4dd8eff5a 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -168,7 +168,7 @@ module ActiveRecord
#
# rails generate migration add_fieldname_to_tablename fieldname:string
#
- # This will generate the file <tt>timestamp_add_fieldname_to_tablename</tt>, which will look like this:
+ # This will generate the file <tt>timestamp_add_fieldname_to_tablename.rb</tt>, which will look like this:
# class AddFieldnameToTablename < ActiveRecord::Migration
# def change
# add_column :tablenames, :fieldname, :string
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb
index b52e89d792..3ab0f28c9b 100644
--- a/activerecord/lib/active_record/migration/command_recorder.rb
+++ b/activerecord/lib/active_record/migration/command_recorder.rb
@@ -5,10 +5,22 @@ module ActiveRecord
# knows how to invert the following commands:
#
# * add_column
+ # * add_foreign_key
# * add_index
+ # * add_reference
# * add_timestamps
- # * create_table
+ # * change_column_default (must supply a :from and :to option)
+ # * change_column_null
# * create_join_table
+ # * create_table
+ # * disable_extension
+ # * drop_join_table
+ # * drop_table (must supply a block)
+ # * enable_extension
+ # * remove_column (must supply a type)
+ # * remove_foreign_key (must supply a second table)
+ # * remove_index
+ # * remove_reference
# * remove_timestamps
# * rename_column
# * rename_index
@@ -17,7 +29,7 @@ module ActiveRecord
ReversibleAndIrreversibleMethods = [:create_table, :create_join_table, :rename_table, :add_column, :remove_column,
:rename_index, :rename_column, :add_index, :remove_index, :add_timestamps, :remove_timestamps,
:change_column_default, :add_reference, :remove_reference, :transaction,
- :drop_join_table, :drop_table, :execute_block, :enable_extension,
+ :drop_join_table, :drop_table, :execute_block, :enable_extension, :disable_extension,
:change_column, :execute, :remove_columns, :change_column_null,
:add_foreign_key, :remove_foreign_key
]
@@ -48,7 +60,7 @@ module ActiveRecord
@reverting = !@reverting
end
- # record +command+. +command+ should be a method name and arguments.
+ # Record +command+. +command+ should be a method name and arguments.
# For example:
#
# recorder.record(:method_name, [:arg1, :arg2])