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This commit is contained in:
Peter Eisentraut
2004-12-13 18:05:10 +00:00
parent cc4f22c167
commit 5ec30faee6
27 changed files with 183 additions and 194 deletions
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8
doc/src/sgml/trigger.sgml
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@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.37 2004/10/30 20:52:46 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/trigger.sgml,v 1.38 2004/12/13 18:05:09 petere Exp $
-->
<chapter id="triggers">
@@ -434,7 +434,7 @@ typedef struct Trigger
<term><structfield>tg_trigtuplebuf</></term>
<listitem>
<para>
The buffer containing tg_trigtuple, or InvalidBuffer if there
The buffer containing <structfield>tg_trigtuple</structfield>, or <symbol>InvalidBuffer</symbol> if there
is no such tuple or it is not stored in a disk buffer.
</para>
</listitem>
@@ -444,7 +444,7 @@ typedef struct Trigger
<term><structfield>tg_newtuplebuf</></term>
<listitem>
<para>
The buffer containing tg_newtuple, or InvalidBuffer if there
The buffer containing <structfield>tg_newtuple</structfield>, or <symbol>InvalidBuffer</symbol> if there
is no such tuple or it is not stored in a disk buffer.
</para>
</listitem>
@@ -456,7 +456,7 @@ typedef struct Trigger
<para>
A trigger function must return either a
<structname>HeapTuple</> pointer or a <symbol>NULL</> pointer
(<emphasis>not</> a SQL NULL, that is, do not set isNull true).
(<emphasis>not</> an SQL null value, that is, do not set <parameter>isNull</parameter> true).
Be careful to return either
<structfield>tg_trigtuple</> or <structfield>tg_newtuple</>,
as appropriate, if you don't want to modify the row being operated on.