From 632ab246db10bf15939df8d6bfc5f964dd61ef5b Mon Sep 17 00:00:00 2001
From: Marcel Molina <marcel@vernix.org>
Date: Wed, 5 Dec 2007 20:20:37 +0000
Subject: Reveal that the type option in migrations can be any supported column
 type for your database but also include caveat about agnosticism. Closes
 #7531 [adamwiggins, mikong]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8304 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../connection_adapters/abstract/schema_definitions.rb             | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'activerecord/lib')

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
index 86ff16531f..2aa8a12228 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -292,12 +292,17 @@ module ActiveRecord
       end
 
       # Instantiates a new column for the table.
-      # The +type+ parameter must be one of the following values:
+      # The +type+ parameter is normally one of the migrations native types,
+      # which is one of the following:
       # <tt>:primary_key</tt>, <tt>:string</tt>, <tt>:text</tt>,
       # <tt>:integer</tt>, <tt>:float</tt>, <tt>:decimal</tt>,
       # <tt>:datetime</tt>, <tt>:timestamp</tt>, <tt>:time</tt>,
       # <tt>:date</tt>, <tt>:binary</tt>, <tt>:boolean</tt>.
       #
+      # You may use a type not in this list as long as it is supported by your
+      # database (for example, "polygon" in MySQL), but this will not be database
+      # agnostic and should usually be avoided.
+      #
       # Available options are (none of these exists by default):
       # * <tt>:limit</tt> -
       #   Requests a maximum column length (<tt>:string</tt>, <tt>:text</tt>,
-- 
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