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Add dynamic_library_path parameter and automatic appending of shared

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library extension.
This commit is contained in:
Peter Eisentraut
2001-05-17 17:44:18 +00:00
parent 8266e8a84b
commit 761a0bb69b
5 changed files with 252 additions and 5 deletions
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45
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.66 2001/05/12 22:51:35 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.67 2001/05/17 17:44:17 petere Exp $
-->
<Chapter Id="runtime">
@ -996,6 +996,49 @@ env PGOPTIONS='-c geqo=off' psql
</listitem>
</varlistentry>
<varlistentry>
<term>DYNAMIC_LIBRARY_PATH (<type>string</type>)</term>
<listitem>
<para>
If a dynamically loadable module needs to be opened and the
specified name does not have a directory component (i.e., the
name does not contain a slash), the system will search this
path for the specified file. (The name that is used is the
name specified in the <command>CREATE FUNCTION</command> or
<command>LOAD</command> command.)
</para>
<para>
The value for dynamic_library_path has to be a colon-separated
list of absolute directory names. If a directory name starts
with the special value <literal>$libdir</literal>, the
compiled-in PostgreSQL library directory, which is where the
modules provided by the PostgreSQL distribution are installed,
is substituted. An example value:
<informalexample>
<programlisting>
dynamic_library_path = '/usr/local/lib:/home/my_project/lib:$libdir:$libdir/contrib'
</programlisting>
</informalexample>
</para>
<para>
The default value for this parameter is
<literal>$libdir</literal>. If the value is set to the empty
string, the automatic path search is turned off.
</para>
<para>
This parameter can be changed at run time by superusers, but
note that a setting done that way will only persist till the
end of the client connection, so this method should be
reserved for development purposes. The recommended way to set
this parameter is in the <filename>postgresql.conf</filename>
configuration file.
</para>
</listitem>
</varlistentry>
<varlistentry>
<indexterm>
<primary>fsync</primary>