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doc: Clarify under what circumstances pg_dump needs superuser access.

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Inspired by, but different from, a patch from Ivan Lezhnjov IV
This commit is contained in:
Robert Haas 2013-11-08 15:08:11 -05:00
parent 9b4d52f209
commit 636b868f17
1 changed files with 7 additions and 2 deletions
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doc/src/sgml/backup.sgml
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@ -47,8 +47,13 @@ pg_dump <replaceable class="parameter">dbname</replaceable> &gt; <replaceable cl
that you can perform this backup procedure from any remote host that has
access to the database. But remember that <application>pg_dump</>
does not operate with special permissions. In particular, it must
have read access to all tables that you want to back up, so in
practice you almost always have to run it as a database superuser.
have read access to all tables that you want to back up, so in order
to back up the entire database you almost always have to run it as a
database superuser. (If you do not sufficient privileges to back up the
entire database, you can still back up portions of the database to which
you do have access using options such as
<option>-n <replaceable>schema</replaceable></option>
or <option>-t <replaceable>table</replaceable></option>.)
</para>
<para>