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Desultorily enclose programlisting tags in CDATA, to get rid of some obnoxious

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SGML-escaping.
This commit is contained in:
Alvaro Herrera
2008-12-07 23:46:39 +00:00
parent b2971e2048
commit aa7f00464d
8 changed files with 238 additions and 209 deletions
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33
doc/src/sgml/trigger.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.52 2008/03/28 00:21:55 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.53 2008/12/07 23:46:39 alvherre Exp $ -->
<chapter id="triggers">
<title>Triggers</title>
@@ -559,7 +559,7 @@ CREATE TABLE ttest (
<para>
This is the source code of the trigger function:
<programlisting>
<programlisting><![CDATA[
#include "postgres.h"
#include "executor/spi.h" /* this is what you need to work with SPI */
#include "commands/trigger.h" /* ... and triggers */
@@ -571,7 +571,7 @@ PG_FUNCTION_INFO_V1(trigf);
Datum
trigf(PG_FUNCTION_ARGS)
{
TriggerData *trigdata = (TriggerData *) fcinfo-&gt;context;
TriggerData *trigdata = (TriggerData *) fcinfo->context;
TupleDesc tupdesc;
HeapTuple rettuple;
char *when;
@@ -584,38 +584,38 @@ trigf(PG_FUNCTION_ARGS)
elog(ERROR, "trigf: not called by trigger manager");
/* tuple to return to executor */
if (TRIGGER_FIRED_BY_UPDATE(trigdata-&gt;tg_event))
rettuple = trigdata-&gt;tg_newtuple;
if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
rettuple = trigdata->tg_newtuple;
else
rettuple = trigdata-&gt;tg_trigtuple;
rettuple = trigdata->tg_trigtuple;
/* check for null values */
if (!TRIGGER_FIRED_BY_DELETE(trigdata-&gt;tg_event)
&amp;&amp; TRIGGER_FIRED_BEFORE(trigdata-&gt;tg_event))
if (!TRIGGER_FIRED_BY_DELETE(trigdata->tg_event)
&& TRIGGER_FIRED_BEFORE(trigdata->tg_event))
checknull = true;
if (TRIGGER_FIRED_BEFORE(trigdata-&gt;tg_event))
if (TRIGGER_FIRED_BEFORE(trigdata->tg_event))
when = "before";
else
when = "after ";
tupdesc = trigdata-&gt;tg_relation-&gt;rd_att;
tupdesc = trigdata->tg_relation->rd_att;
/* connect to SPI manager */
if ((ret = SPI_connect()) &lt; 0)
if ((ret = SPI_connect()) < 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 &lt; 0)
if (ret < 0)
elog(NOTICE, "trigf (fired %s): SPI_exec returned %d", when, ret);
/* count(*) returns int8, so be careful to convert */
i = DatumGetInt64(SPI_getbinval(SPI_tuptable-&gt;vals[0],
SPI_tuptable-&gt;tupdesc,
i = DatumGetInt64(SPI_getbinval(SPI_tuptable->vals[0],
SPI_tuptable->tupdesc,
1,
&amp;isnull));
&isnull));
elog (INFO, "trigf (fired %s): there are %d rows in ttest", when, i);
@@ -623,13 +623,14 @@ trigf(PG_FUNCTION_ARGS)
if (checknull)
{
SPI_getbinval(rettuple, tupdesc, 1, &amp;isnull);
SPI_getbinval(rettuple, tupdesc, 1, &isnull);
if (isnull)
rettuple = NULL;
}
return PointerGetDatum(rettuple);
}
]]>
</programlisting>
</para>