From f2b36d8e10b628ffe0ba73c90826c3719ea20176 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Wed, 12 Oct 2011 16:58:39 -0400
Subject: [PATCH] Clarify wording of foreign key documentation to mention null
entries as not matching the primary key.
Report from Marek.Balgar@seznam.cz
---
doc/src/sgml/ddl.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml
index c624fc2d9a2..ea840fb8468 100644
--- a/doc/src/sgml/ddl.sgml
+++ b/doc/src/sgml/ddl.sgml
@@ -688,7 +688,7 @@ CREATE TABLE orders (
quantity integer
);
</programlisting>
- Now it is impossible to create orders with
+ Now it is impossible to create orders with non-NULL
<structfield>product_no</structfield> entries that do not appear in the
products table.
</para>
--
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