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Make an editorial pass over the reference pages.

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This commit is contained in:
Tom Lane
2005-11-01 21:09:51 +00:00
parent cad0e824a0
commit b524cb36ac
26 changed files with 203 additions and 148 deletions
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14
doc/src/sgml/ref/create_trigger.sgml
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@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_trigger.sgml,v 1.41 2005/07/14 06:17:36 neilc Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_trigger.sgml,v 1.42 2005/11/01 21:09:50 tgl Exp $
PostgreSQL documentation
-->
@@ -208,19 +208,19 @@ CREATE TRIGGER <replaceable class="PARAMETER">name</replaceable> { BEFORE | AFTE
<para>
The <command>CREATE TRIGGER</command> statement in
<productname>PostgreSQL</productname> implements a subset of the
SQL:2003 standard. The following functionality is currently missing:
<acronym>SQL</> standard. The following functionality is currently missing:
<itemizedlist>
<listitem>
<para>
SQL:2003 allows triggers to fire on updates to specific columns
SQL allows triggers to fire on updates to specific columns
(e.g., <literal>AFTER UPDATE OF col1, col2</literal>).
</para>
</listitem>
<listitem>
<para>
SQL:2003 allows you to define aliases for the <quote>old</quote>
SQL allows you to define aliases for the <quote>old</quote>
and <quote>new</quote> rows or tables for use in the definition
of the triggered action (e.g., <literal>CREATE TRIGGER ... ON
tablename REFERENCING OLD ROW AS somename NEW ROW AS othername
@@ -234,9 +234,9 @@ CREATE TRIGGER <replaceable class="PARAMETER">name</replaceable> { BEFORE | AFTE
<listitem>
<para>
<productname>PostgreSQL</productname> only allows the execution
of a user-defined function for the triggered action. SQL:2003
of a user-defined function for the triggered action. The standard
allows the execution of a number of other SQL commands, such as
<command>CREATE TABLE</command> as triggered action. This
<command>CREATE TABLE</command> as the triggered action. This
limitation is not hard to work around by creating a user-defined
function that executes the desired commands.
</para>
@@ -245,7 +245,7 @@ CREATE TRIGGER <replaceable class="PARAMETER">name</replaceable> { BEFORE | AFTE
</para>
<para>
SQL:2003 specifies that multiple triggers should be fired in
SQL specifies that multiple triggers should be fired in
time-of-creation order. <productname>PostgreSQL</productname> uses
name order, which was judged more convenient to work with.
</para>