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Disallow the combination VACUUM FULL FREEZE for safety's sake, for the

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reasons I outlined in pghackers a few days ago.

Also, undo someone's overly optimistic decision to reduce tuple state
checks from if (...) elog() to Asserts.  If I trusted this code more,
I might think it was a good idea to disable these checks in production
installations.  But I don't.
This commit is contained in:
Tom Lane
2004-12-02 19:28:49 +00:00
parent bbf29949c3
commit e9c03c3b1b
3 changed files with 95 additions and 55 deletions
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5
doc/src/sgml/manage-ag.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/manage-ag.sgml,v 2.36 2004/11/05 19:15:49 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/manage-ag.sgml,v 2.37 2004/12/02 19:28:48 tgl Exp $
-->
<chapter id="managing-databases">
@ -240,8 +240,7 @@ createdb -T template0 <replaceable>dbname</>
<para>
After preparing a template database, or making any changes to one,
it is a good idea to perform
<command>VACUUM FREEZE</> or <command>VACUUM FULL FREEZE</> in that
it is a good idea to perform <command>VACUUM FREEZE</> in that
database. If this is done when there are no other open transactions
in the same database, then it is guaranteed that all rows in the
database are <quote>frozen</> and will not be subject to transaction

6
doc/src/sgml/ref/vacuum.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/vacuum.sgml,v 1.35 2004/03/23 13:21:41 neilc Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/vacuum.sgml,v 1.36 2004/12/02 19:28:48 tgl Exp $
PostgreSQL documentation
-->
@ -20,8 +20,8 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] [ <replaceable class="PARAMETER">table</replaceable> ]
VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] ANALYZE [ <replaceable class="PARAMETER">table</replaceable> [ (<replaceable class="PARAMETER">column</replaceable> [, ...] ) ] ]
VACUUM [ FULL | FREEZE ] [ VERBOSE ] [ <replaceable class="PARAMETER">table</replaceable> ]
VACUUM [ FULL | FREEZE ] [ VERBOSE ] ANALYZE [ <replaceable class="PARAMETER">table</replaceable> [ (<replaceable class="PARAMETER">column</replaceable> [, ...] ) ] ]
</synopsis>
</refsynopsisdiv>