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Document other options available to migration's add_column. #6419

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5333 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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Marcel Molina
Marcel Molina committed Oct 22, 2006
1 parent da18193 commit fb7807e24408912fcaa2842948eee473d6af1a70
Showing with 4 additions and 1 deletion.
  1. +2 −0 activerecord/CHANGELOG
  2. +2 −1 activerecord/lib/active_record/migration.rb
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@@ -1,5 +1,7 @@
*SVN*
+* Document other options available to migration's add_column. #6419 [grg]
+
* MySQL: all_hashes compatibility with old MysqlRes class. #6429 [Jeremy Kemper]
* Fix has_many :through to add the appropriate conditions when going through an association using STI. Closes #5783. [Jonathan Viney]
@@ -66,7 +66,8 @@ def initialize(version)
# named +column_name+ specified to be one of the following types:
# :string, :text, :integer, :float, :decimal, :datetime, :timestamp, :time,
# :date, :binary, :boolean. A default value can be specified by passing an
- # +options+ hash like { :default => 11 }.
+ # +options+ hash like { :default => 11 }. Other options include :limit and :null (e.g. { :limit => 50, :null => false })
+ # -- see ActiveRecord::ConnectionAdapters::TableDefinition#column for details.
# * <tt>rename_column(table_name, column_name, new_column_name)</tt>: Renames a column but keeps the type and content.
# * <tt>change_column(table_name, column_name, type, options)</tt>: Changes the column to a different type using the same
# parameters as add_column.

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