From 504e7010201ede8359967d9c7be3881a5ea89887 Mon Sep 17 00:00:00 2001
From: Claudio Zizza <claudio@budgegeria.de>
Date: Mon, 6 Mar 2017 00:34:18 +0100
Subject: [PATCH] Add existing column check-option to documentation

---
 docs/en/reference/annotations-reference.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/en/reference/annotations-reference.rst b/docs/en/reference/annotations-reference.rst
index e55a23eff..8a2487a65 100644
--- a/docs/en/reference/annotations-reference.rst
+++ b/docs/en/reference/annotations-reference.rst
@@ -134,6 +134,9 @@ Optional attributes:
 
    -  ``collation``: The collation of the column (only supported by Drizzle, Mysql, PostgreSQL>=9.1, Sqlite and SQLServer).
 
+   -  ``check``: Adds a check constraint type to the column (might not
+      be supported by all vendors).
+
 -  **columnDefinition**: DDL SQL snippet that starts after the column
    name and specifies the complete (non-portable!) column definition.
    This attribute allows to make use of advanced RMDBS features.