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-rw-r--r--doc/src/sgml/ref/alter_view.sgml14
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/alter_view.sgml b/doc/src/sgml/ref/alter_view.sgml
index 0e2b140241e..55674c650a9 100644
--- a/doc/src/sgml/ref/alter_view.sgml
+++ b/doc/src/sgml/ref/alter_view.sgml
@@ -154,7 +154,19 @@ ALTER VIEW [ IF EXISTS ] <replaceable class="parameter">name</replaceable> RESET
<literal>bar</literal>:
<programlisting>
ALTER VIEW foo RENAME TO bar;
-</programlisting></para>
+</programlisting>
+ </para>
+
+ <para>
+ To attach a default column value to an updatable view:
+<programlisting>
+CREATE TABLE base_table (id int, ts timestamptz);
+CREATE VIEW a_view AS SELECT * FROM base_table;
+ALTER VIEW a_view ALTER COLUMN ts SET DEFAULT now();
+INSERT INTO base_table(id) VALUES(1); -- ts will receive a NULL
+INSERT INTO a_view(id) VALUES(2); -- ts will receive the current time
+</programlisting>
+ </para>
</refsect1>
<refsect1>