From 9653213914db5742ef73951013df1c1f0a0059cb Mon Sep 17 00:00:00 2001
From: Benjamin Eberlei <kontakt@beberlei.de>
Date: Tue, 4 Feb 2014 00:02:09 +0100
Subject: [PATCH] Add warning about non scalar use in Criteria.

---
 docs/en/reference/working-with-associations.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/en/reference/working-with-associations.rst b/docs/en/reference/working-with-associations.rst
index f79da752d..a762ee9ac 100644
--- a/docs/en/reference/working-with-associations.rst
+++ b/docs/en/reference/working-with-associations.rst
@@ -702,3 +702,8 @@ methods:
 * ``notIn($field, array $values)``
 
 
+.. note::
+
+    There is a limitation on the compatibility of Criteria comparisons.
+    You have to use scalar values only as the value in a comparison or
+    the behaviour between different backends is not the same.