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More < and > cleanups converted to ampersands.

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This commit is contained in:
Bruce Momjian
2005-01-22 22:56:36 +00:00
parent 9e292e3e48
commit 1ced129aa3
22 changed files with 158 additions and 158 deletions
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28
doc/src/sgml/trigger.sgml
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@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.40 2005/01/22 22:06:27 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.41 2005/01/22 22:56:36 momjian Exp $
-->
<chapter id="triggers">
@@ -572,13 +572,13 @@ trigf(PG_FUNCTION_ARGS)
tupdesc = trigdata-&gt;tg_relation-&gt;rd_att;
/* connect to SPI manager */
if ((ret = SPI_connect()) < 0)
if ((ret = SPI_connect()) &lt; 0)
elog(INFO, "trigf (fired %s): SPI_connect returned %d", when, ret);
/* get number of rows in table */
ret = SPI_exec("SELECT count(*) FROM ttest", 0);
if (ret < 0)
if (ret &lt; 0)
elog(NOTICE, "trigf (fired %s): SPI_exec returned %d", when, ret);
/* count(*) returns int8, so be careful to convert */
@@ -622,57 +622,57 @@ CREATE TRIGGER tafter AFTER INSERT OR UPDATE OR DELETE ON ttest
<para>
Now you can test the operation of the trigger:
<screen>
=> INSERT INTO ttest VALUES (NULL);
=&gt; INSERT INTO ttest VALUES (NULL);
INFO: trigf (fired before): there are 0 rows in ttest
INSERT 0 0
-- Insertion skipped and AFTER trigger is not fired
=> SELECT * FROM ttest;
=&gt; SELECT * FROM ttest;
x
---
(0 rows)
=> INSERT INTO ttest VALUES (1);
=&gt; INSERT INTO ttest VALUES (1);
INFO: trigf (fired before): there are 0 rows in ttest
INFO: trigf (fired after ): there are 1 rows in ttest
^^^^^^^^
remember what we said about visibility.
INSERT 167793 1
vac=> SELECT * FROM ttest;
vac=&gt; SELECT * FROM ttest;
x
---
1
(1 row)
=> INSERT INTO ttest SELECT x * 2 FROM ttest;
=&gt; INSERT INTO ttest SELECT x * 2 FROM ttest;
INFO: trigf (fired before): there are 1 rows in ttest
INFO: trigf (fired after ): there are 2 rows in ttest
^^^^^^
remember what we said about visibility.
INSERT 167794 1
=> SELECT * FROM ttest;
=&gt; SELECT * FROM ttest;
x
---
1
2
(2 rows)
=> UPDATE ttest SET x = NULL WHERE x = 2;
=&gt; UPDATE ttest SET x = NULL WHERE x = 2;
INFO: trigf (fired before): there are 2 rows in ttest
UPDATE 0
=> UPDATE ttest SET x = 4 WHERE x = 2;
=&gt; UPDATE ttest SET x = 4 WHERE x = 2;
INFO: trigf (fired before): there are 2 rows in ttest
INFO: trigf (fired after ): there are 2 rows in ttest
UPDATE 1
vac=> SELECT * FROM ttest;
vac=&gt; SELECT * FROM ttest;
x
---
1
4
(2 rows)
=> DELETE FROM ttest;
=&gt; DELETE FROM ttest;
INFO: trigf (fired before): there are 2 rows in ttest
INFO: trigf (fired after ): there are 1 rows in ttest
INFO: trigf (fired before): there are 1 rows in ttest
@@ -680,7 +680,7 @@ INFO: trigf (fired after ): there are 0 rows in ttest
^^^^^^
remember what we said about visibility.
DELETE 2
=> SELECT * FROM ttest;
=&gt; SELECT * FROM ttest;
x
---
(0 rows)