database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-08-30 06:01:21 +03:00
Code Activity

More minor updates and copy-editing.

Browse Source
This commit is contained in:
Tom Lane
2005-01-04 00:39:53 +00:00
parent 246be304a5
commit 4e94ea9fc9
37 changed files with 571 additions and 413 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
doc/src/sgml/ref/create_rule.sgml
View File

@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_rule.sgml,v 1.44 2004/03/09 19:30:21 neilc Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_rule.sgml,v 1.45 2005/01/04 00:39:53 tgl Exp $
PostgreSQL documentation
-->
@@ -82,10 +82,10 @@ CREATE [ OR REPLACE ] RULE <replaceable class="parameter">name</replaceable> AS
attempts to perform the update action, because it thinks it might
end up trying to perform the action on the dummy table of the view
in some cases. If you want to handle all the useful cases in
conditional rules, you can; just add an unconditional <literal>DO
conditional rules, add an unconditional <literal>DO
INSTEAD NOTHING</literal> rule to ensure that the system
understands it will never be called on to update the dummy table.
Then make the conditional rules not <literal>INSTEAD</literal>; in
Then make the conditional rules non-<literal>INSTEAD</literal>; in
the cases where they are applied, they add to the default
<literal>INSTEAD NOTHING</literal> action.
</para>
@@ -213,12 +213,12 @@ CREATE [ OR REPLACE ] RULE <replaceable class="parameter">name</replaceable> AS
CREATE RULE "_RETURN" AS
ON SELECT TO t1
DO INSTEAD
SELECT * FROM t2;
SELECT * FROM t2;
CREATE RULE "_RETURN" AS
ON SELECT TO t2
DO INSTEAD
SELECT * FROM t1;
SELECT * FROM t1;
SELECT * FROM t1;
</programlisting>