diff options
| -rw-r--r-- | doc/src/sgml/system-views.sgml | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/doc/src/sgml/system-views.sgml b/doc/src/sgml/system-views.sgml index 44aa70a0316..3f573a4f089 100644 --- a/doc/src/sgml/system-views.sgml +++ b/doc/src/sgml/system-views.sgml @@ -3274,11 +3274,6 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx </para> <para> - This view does not display <link linkend="runtime-config-custom">customized options</link> - until the extension module that defines them has been loaded. - </para> - - <para> This view cannot be inserted into or deleted from, but it can be updated. An <command>UPDATE</command> applied to a row of <structname>pg_settings</structname> is equivalent to executing the <command>SET</command> command on that named @@ -3291,6 +3286,21 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx <command>SET</command>. </para> + <para> + This view does not + display <link linkend="runtime-config-custom">customized options</link> + unless the extension module that defines them has been loaded by the + backend process executing the query (e.g., via a mention in + <xref linkend="guc-shared-preload-libraries"/>, + a call to a C function in the extension, or the + <link linkend="sql-load"><command>LOAD</command></link> command). + For example, since <link linkend="archive-modules">archive modules</link> + are normally loaded only by the archiver process not regular sessions, + this view will not display any customized options defined by such modules + unless special action is taken to load them into the backend process + executing the query. + </para> + </sect1> <sect1 id="view-pg-shadow"> |