From 7f58ef656b6bfa4e72a59dead9b9fa5346e531a1 Mon Sep 17 00:00:00 2001
From: Lisa Ugray <lisa.ugray@shopify.com>
Date: Tue, 25 Jul 2017 14:51:19 -0400
Subject: Clarify add_column limit documentation

The limit option is ignored by PostgreSQL and may be ignored by 3rd
party backends.  Make this clear in the docs.  Fixes #29922.
---
 .../lib/active_record/connection_adapters/abstract/schema_statements.rb  | 1 +
 1 file changed, 1 insertion(+)

(limited to 'activerecord')

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 989ebc81a9..e21f93856e 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -511,6 +511,7 @@ module ActiveRecord
       # * <tt>:limit</tt> -
       #   Requests a maximum column length. This is the number of characters for a <tt>:string</tt> column
       #   and number of bytes for <tt>:text</tt>, <tt>:binary</tt> and <tt>:integer</tt> columns.
+      #   This option is ignored by some backends.
       # * <tt>:default</tt> -
       #   The column's default value. Use +nil+ for +NULL+.
       # * <tt>:null</tt> -
-- 
cgit v1.2.3