The functions shown in <xref
linkend="functions-admin-backup-table"> assist in making on-line backups.
These functions cannot be executed during recovery.
- Use of the first three functions is restricted to superusers.
</para>
<table id="functions-admin-backup-table">
<literal><function>pg_start_backup(<parameter>label</> <type>text</> <optional>, <parameter>fast</> <type>boolean</> </optional>)</function></literal>
</entry>
<entry><type>text</type></entry>
- <entry>Prepare for performing on-line backup</entry>
+ <entry>Prepare for performing on-line backup (restricted to superusers)</entry>
</row>
<row>
<entry>
<literal><function>pg_stop_backup()</function></literal>
</entry>
<entry><type>text</type></entry>
- <entry>Finish performing on-line backup</entry>
+ <entry>Finish performing on-line backup (restricted to superusers)</entry>
</row>
<row>
<entry>
<literal><function>pg_switch_xlog()</function></literal>
</entry>
<entry><type>text</type></entry>
- <entry>Force switch to a new transaction log file</entry>
+ <entry>Force switch to a new transaction log file (restricted to superusers)</entry>
</row>
<row>
<entry>