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Massimo's SET FSYNC and SHOW PG_OPTIONS changes, without SET QUERY_LIMIT.

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This commit is contained in:
Bruce Momjian
1999-09-27 20:27:32 +00:00
parent 5a017b96ad
commit d62a7ac6d3
8 changed files with 59 additions and 129 deletions
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3
src/backend/bootstrap/bootstrap.c
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@ -7,7 +7,7 @@
* Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.67 1999/09/18 19:06:27 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.68 1999/09/27 20:26:58 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -134,7 +134,6 @@ static char *relname; /* current relation name */
Form_pg_attribute attrtypes[MAXATTR]; /* points to attribute info */
static char *values[MAXATTR]; /* cooresponding attribute values */
int numattr; /* number of attributes for cur. rel */
extern bool disableFsync; /* do not fsync the database */
int DebugMode;
static GlobalMemory nogc = (GlobalMemory) NULL; /* special no-gc mem

37
src/backend/commands/variable.c
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@ -2,7 +2,7 @@
* Routines for handling of 'SET var TO',
* 'SHOW var' and 'RESET var' statements.
*
* $Id: variable.c,v 1.25 1999/07/17 20:16:54 momjian Exp $
* $Id: variable.c,v 1.26 1999/09/27 20:27:03 momjian Exp $
*
*/
@ -11,11 +11,13 @@
#include "postgres.h"
#include "access/xact.h"
#include "catalog/pg_shadow.h"
#include "commands/variable.h"
#include "miscadmin.h"
#include "optimizer/internal.h"
#include "utils/builtins.h"
#include "utils/tqual.h"
#include "utils/trace.h"
#ifdef MULTIBYTE
#include "mb/pg_wchar.h"
@ -528,6 +530,36 @@ reset_timezone()
return TRUE;
} /* reset_timezone() */
/*
* Pg_options
*/
static bool
parse_pg_options(const char *value)
{
if (!superuser()) {
elog(ERROR, "Only users with superuser privilege can set pg_options");
}
parse_options((char *) value, TRUE);
return (TRUE);
}
static bool
show_pg_options(void)
{
show_options();
return (TRUE);
}
static bool
reset_pg_options(void)
{
if (!superuser()) {
elog(ERROR, "Only users with superuser privilege can set pg_options");
}
read_pg_options(0);
return (TRUE);
}
/*-----------------------------------------------------------------------*/
struct VariableParsers
@ -568,6 +600,9 @@ struct VariableParsers
{
"XactIsoLevel", parse_XactIsoLevel, show_XactIsoLevel, reset_XactIsoLevel
},
{
"pg_options", parse_pg_options, show_pg_options, reset_pg_options
},
{
NULL, NULL, NULL, NULL
}

3
src/backend/utils/init/globals.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.36 1999/07/17 20:18:08 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/init/globals.c,v 1.37 1999/09/27 20:27:09 momjian Exp $
*
* NOTES
* Globals used all over the place should be declared here and not
@ -76,7 +76,6 @@ char DateFormat[20] = "%d-%m-%Y"; /* mjl: sizes! or better
* malloc? XXX */
char FloatFormat[20] = "%f";
bool disableFsync = false;
bool allowSystemTableMods = false;
int SortMem = 512;

11
src/backend/utils/misc/trace.c
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@ -73,6 +73,7 @@ static char *opt_names[] = {
"lock_debug_relid",
"lock_read_priority", /* lock priority, see lock.c */
"deadlock_timeout", /* deadlock timeout, see proc.c */
"nofsync", /* turn fsync off */
"syslog", /* use syslog for error messages */
"hostlookup", /* enable hostname lookup in ps_status */
"showportnumber", /* show port number in ps_status */
@ -405,6 +406,16 @@ read_pg_options(SIGNAL_ARGS)
close(fd);
}
void
show_options(void)
{
int i;
for (i=0; i<NUM_PG_OPTIONS; i++) {
elog(NOTICE, "%s=%d", opt_names[i], pg_options[i]);
}
}
/*
* Local variables:
* tab-width: 4

7
src/bin/psql/psqlHelp.h
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@ -5,7 +5,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: psqlHelp.h,v 1.74 1999/09/23 17:11:16 momjian Exp $
* $Id: psqlHelp.h,v 1.75 1999/09/27 20:27:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -296,7 +296,7 @@ static struct _helpStruct QL_HELP[] = {
{"reset",
"set run-time environment back to default",
"\
\tRESET DATESTYLE|COST_HEAP|COST_INDEX|GEQO|KSQO|\n\
\tRESET DATESTYLE|COST_HEAP|COST_INDEX|GEQO|KSQO|PG_OPTIONS|\n\
TIMEZONE|XACTISOLEVEL|CLIENT_ENCODING|SERVER_ENCODING"},
{"revoke",
"revoke access control from a user or group",
@ -329,6 +329,7 @@ TIMEZONE|XACTISOLEVEL|CLIENT_ENCODING|SERVER_ENCODING"},
\tSET COST_INDEX TO #\n\
\tSET GEQO TO 'ON[=#]'|'OFF'\n\
\tSET KSQO TO 'ON'|'OFF'\n\
\tSET PG_OPTIONS TO 'value'\n\
\tSET TIMEZONE TO 'value'\n\
\tSET TRANSACTION ISOLATION LEVEL 'SERIALIZABLE'|'READ COMMITTED'\n\
\tSET CLIENT_ENCODING|NAMES TO 'EUC_JP'|'SJIS'|'EUC_CN'|'EUC_KR'|'EUC_TW'|\n\
@ -340,7 +341,7 @@ TIMEZONE|XACTISOLEVEL|CLIENT_ENCODING|SERVER_ENCODING"},
{"show",
"show current run-time environment",
"\
\tSHOW DATESTYLE|COST_HEAP|COST_INDEX|GEQO|KSQO|\n\
\tSHOW DATESTYLE|COST_HEAP|COST_INDEX|GEQO|KSQO|PG_OPTIONS|\n\
TIMEZONE|XACTISOLEVEL|CLIENT_ENCODING|SERVER_ENCODING"},
{"unlisten",
"stop listening for notification on a condition name",

6
src/include/miscadmin.h
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@ -11,7 +11,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.41 1999/09/24 00:25:16 tgl Exp $
* $Id: miscadmin.h,v 1.42 1999/09/27 20:27:26 momjian Exp $
*
* NOTES
* some of the information in this file will be moved to
@ -22,6 +22,8 @@
#ifndef MISCADMIN_H
#define MISCADMIN_H
#include "utils/trace.h"
/*****************************************************************************
* globals.h -- *
*****************************************************************************/
@ -93,7 +95,7 @@ extern char CTZName[];
extern char FloatFormat[];
extern char DateFormat[];
extern bool disableFsync;
#define disableFsync pg_options[OPT_NOFSYNC]
extern bool allowSystemTableMods;
extern int SortMem;

2
src/include/utils/trace.h
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@ -26,6 +26,7 @@ char *tprintf_timestamp(void);
extern int tprintf(int flag, const char *fmt,...);
extern int eprintf(const char *fmt,...);
extern void write_syslog(int level, char *line);
extern void show_options(void);
extern void parse_options(char *str, bool secure);
extern void read_pg_options(SIGNAL_ARGS);
@ -57,6 +58,7 @@ enum pg_option_enum {
TRACE_LOCKRELATION,
OPT_LOCKREADPRIORITY, /* lock priority, see lock.c */
OPT_DEADLOCKTIMEOUT, /* deadlock timeout, see proc.c */
OPT_NOFSYNC, /* turn fsync off */
OPT_SYSLOG, /* use syslog for error messages */
OPT_HOSTLOOKUP, /* enable hostname lookup in ps_status */
OPT_SHOWPORTNUMBER, /* show port number in ps_status */