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authorBruce Momjian <bruce@momjian.us>2011-10-12 16:58:39 -0400
committerBruce Momjian <bruce@momjian.us>2011-10-12 16:58:39 -0400
commitf2b36d8e10b628ffe0ba73c90826c3719ea20176 (patch)
treeee907a111c0d0416227ddd51be5953690206ac13 /doc/src
parent484af9b376f3dca3805932d5c40c45ecf6fca0d4 (diff)
downloadpostgresql-f2b36d8e10b628ffe0ba73c90826c3719ea20176.tar.gz
postgresql-f2b36d8e10b628ffe0ba73c90826c3719ea20176.zip
Clarify wording of foreign key documentation to mention null entries as
not matching the primary key. Report from Marek.Balgar@seznam.cz
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/ddl.sgml2
1 files changed, 1 insertions, 1 deletions
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>