dump diffs even w/o db changes

From: Enrico Weigelt <weigelt(at)metux(dot)de>
To: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: dump diffs even w/o db changes
Date: 2010-04-30 16:14:45
Message-ID: 20100430161443.GA24971@nibiru.local
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Hi folks,

I'm doing regular (hourly) dumps and putting them into git
(and automatically pushing it to several git servers).

The problem is: the dumps are always differing (even if nothing
happened in that db).

diff --git a/DB-net79.sql b/DB-net79.sql
index 89b682d..c8be6d6 100644
--- a/DB-net79.sql
+++ b/DB-net79.sql
@@ -12,7 +12,7 @@ SET client_min_messages = warning;

CREATE TEMPORARY TABLE pgdump_oid (dummy integer) WITH OIDS;
COPY pgdump_oid WITH OIDS FROM stdin;
-22336387 0
+22336547 0
\.
DROP TABLE pgdump_oid;

This unnecessarily pollutes the history and procudes high load
when git-gc / git-repack runs.

Is there any way to get rid of these differences ?

cu
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