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Instead of having a configure-time DEFAULT_ATTSTATTARGET, store -1 in

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attstattarget to indicate 'use the default'.  The default is now a GUC
variable default_statistics_target, and so may be changed on the fly.  Along
the way we gain the ability to have pg_dump dump the per-column statistics
target when it's not the default.  Patch by Neil Conway, with some kibitzing
from Tom Lane.
This commit is contained in:
Tom Lane
2002-07-31 17:19:54 +00:00
parent 8be3cfbbd5
commit ce7565ab91
18 changed files with 125 additions and 60 deletions
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7
src/backend/utils/misc/guc.c
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@ -5,7 +5,7 @@
* command, configuration file, and command line options.
* See src/backend/utils/misc/README for more information.
*
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.76 2002/07/30 16:20:03 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.77 2002/07/31 17:19:52 tgl Exp $
*
* Copyright 2000 by PostgreSQL Global Development Group
* Written by Peter Eisentraut <peter_e@gmx.net>.
@ -26,6 +26,7 @@
#include "catalog/pg_type.h"
#include "commands/async.h"
#include "commands/variable.h"
#include "commands/vacuum.h"
#include "executor/executor.h"
#include "fmgr.h"
#include "libpq/auth.h"
@ -491,6 +492,10 @@ static struct config_bool
static struct config_int
ConfigureNamesInt[] =
{
{
{ "default_statistics_target", PGC_USERSET }, &default_statistics_target,
10, 1, 1000, NULL, NULL
},
{
{ "geqo_threshold", PGC_USERSET }, &geqo_rels,
DEFAULT_GEQO_RELS, 2, INT_MAX, NULL, NULL