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Add a check to pg_dump to see whether backend is same version as pg_dump.

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If not, abort by default.  Abort can be prevented by using -i or
--ignore-version switch.
This commit is contained in:
Tom Lane
2000-04-04 05:22:46 +00:00
parent edd4131e6e
commit c84ba6638e
2 changed files with 69 additions and 7 deletions
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20
doc/src/sgml/ref/pg_dump.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/pg_dump.sgml,v 1.15 2000/03/27 17:14:43 thomas Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/pg_dump.sgml,v 1.16 2000/04/04 05:22:45 tgl Exp $
Postgres documentation
-->
@ -26,7 +26,7 @@ Postgres documentation
pg_dump [ <replaceable class="parameter">dbname</replaceable> ]
pg_dump [ -h <replaceable class="parameter">host</replaceable> ] [ -p <replaceable class="parameter">port</replaceable> ]
[ -t <replaceable class="parameter">table</replaceable> ]
[ -a ] [ -c ] [ -d ] [ -D ] [ -n ] [ -N ]
[ -a ] [ -c ] [ -d ] [ -D ] [ -i ] [ -n ] [ -N ]
[ -o ] [ -s ] [ -u ] [ -v ] [ -x ]
[ <replaceable class="parameter">dbname</replaceable> ]
</synopsis>
@ -92,6 +92,22 @@ pg_dump [ -h <replaceable class="parameter">host</replaceable> ] [ -p <replaceab
</listitem>
</varlistentry>
<varlistentry>
<term>-i</term>
<listitem>
<para>
Ignore version mismatch between <application>pg_dump</application>
and the database server. Since <application>pg_dump</application>
knows a great deal about system catalogs, any given version of
<application>pg_dump</application> is only intended to work with
the corresponding release of the database server. Use this option
if you need to override the version check (and if
<application>pg_dump</application> then fails, don't
say you weren't warned).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-n</term>
<listitem>