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Editorial work on xfunc chapter --- better explanations about SQL

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functions handling composite types and sets, various minor cleanups.
This commit is contained in:
Tom Lane
2001-10-26 19:58:12 +00:00
parent b93939a6a7
commit 62651c0176
3 changed files with 313 additions and 176 deletions
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19
doc/src/sgml/ref/load.sgml
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@@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/load.sgml,v 1.9 2001/09/03 12:57:50 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/load.sgml,v 1.10 2001/10/26 19:58:12 tgl Exp $
-->
<refentry id="SQL-LOAD">
@@ -10,7 +10,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/ref/load.sgml,v 1.9 2001/09/03 12:57:50 pet
<refnamediv>
<refname>LOAD</refname>
<refpurpose>load or reload a shared object file</refpurpose>
<refpurpose>load or reload a shared library file</refpurpose>
</refnamediv>
<refsynopsisdiv>
@@ -23,13 +23,22 @@ LOAD '<replaceable class="PARAMETER">filename</replaceable>'
<title>Description</title>
<para>
Loads a shared object file into the PostgreSQL backend's address
Loads a shared library file into the PostgreSQL backend's address
space. If the file had been loaded previously, it is first
unloaded. This command is primarily useful to unload and reload a
shared object file if it has been changed. To make use of the
shared object, a function needs to be declared using the <xref
shared library file that has been changed since the backend first
loaded it. To make use of the
shared library, function(s) in it need to be declared using the <xref
linkend="sql-createfunction"> command.
</para>
<para>
The filename is specified in the same way as for shared library
names in <xref linkend="sql-createfunction">; in particular, one
may rely on a search path and automatic addition of the system's standard
shared library filename extension. See the
<citetitle>Programmer's Guide</citetitle> for more detail.
</para>
</refsect1>
<refsect1 id="sql-load-compat">