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Merge pull request #16592 from aditya-kapoor/fix-migration-docs

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[ci skip] correct docs about the migration generation
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Santiago Pastorino 2014-08-20 16:26:31 -03:00
commit 2b7d67d49d
1 changed files with 2 additions and 9 deletions
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11
activerecord/lib/active_record/migration.rb
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@ -161,21 +161,14 @@ module ActiveRecord
# in the <tt>db/migrate/</tt> directory where <tt>timestamp</tt> is the # in the <tt>db/migrate/</tt> directory where <tt>timestamp</tt> is the
# UTC formatted date and time that the migration was generated. # UTC formatted date and time that the migration was generated.
# #
# You may then edit the <tt>up</tt> and <tt>down</tt> methods of
# MyNewMigration.
#
# There is a special syntactic shortcut to generate migrations that add fields to a table. # There is a special syntactic shortcut to generate migrations that add fields to a table.
# #
# rails generate migration add_fieldname_to_tablename fieldname:string # 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</tt>, which will look like this:
# class AddFieldnameToTablename < ActiveRecord::Migration # class AddFieldnameToTablename < ActiveRecord::Migration
# def up # def change
# add_column :tablenames, :fieldname, :string # add_column :tablenames, :field, :string
# end
#
# def down
# remove_column :tablenames, :fieldname
# end # end
# end # end
# #