use GUC for cmdline

Here is Tomified version of my 2 pending patches.
Dropped the set_.._real change as it is not needed.
Desc would be:

* use GUC for settings from cmdline

--
marko

Index: src/backend/postmaster/postmaster.c
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/src/backend/postmaster/postmaster.c,v
retrieving revision 1.220
diff -u -c -r1.220 postmaster.c
*** src/backend/postmaster/postmaster.c 2001/06/14 19:59:24 1.220
--- src/backend/postmaster/postmaster.c 2001/06/15 16:22:42
***************
*** 426,439 ****
#ifndef USE_ASSERT_CHECKING
postmaster_error("Assert checking is not compiled in.");
#else
! assert_enabled = atoi(optarg);
#endif
break;
case 'a':
/* Can no longer set authentication method. */
break;
case 'B':
! NBuffers = atoi(optarg);
break;
case 'b':
/* Can no longer set the backend executable file to use. */
--- 426,439 ----
#ifndef USE_ASSERT_CHECKING
postmaster_error("Assert checking is not compiled in.");
#else
! SetConfigOption("debug_assertions", optarg, PGC_POSTMASTER, true);
#endif
break;
case 'a':
/* Can no longer set authentication method. */
break;
case 'B':
! SetConfigOption("shared_buffers", optarg, PGC_POSTMASTER, true);
break;
case 'b':
/* Can no longer set the backend executable file to use. */
***************
*** 447,469 ****
* Turn on debugging for the postmaster and the backend
* servers descended from it.
*/
! DebugLvl = atoi(optarg);
break;
case 'F':
! enableFsync = false;
break;
case 'h':
! VirtualHost = optarg;
break;
case 'i':
! NetServer = true;
break;
case 'k':
! UnixSocketDir = optarg;
break;
#ifdef USE_SSL
case 'l':
! EnableSSL = true;
break;
#endif
case 'm':
--- 447,469 ----
* Turn on debugging for the postmaster and the backend
* servers descended from it.
*/
! SetConfigOption("debug_level", optarg, PGC_POSTMASTER, true);
break;
case 'F':
! SetConfigOption("enable_fsync", optarg, PGC_POSTMASTER, true);
break;
case 'h':
! SetConfigOption("virtual_host", optarg, PGC_POSTMASTER, true);
break;
case 'i':
! SetConfigOption("tcpip_socket", optarg, PGC_POSTMASTER, true);
break;
case 'k':
! SetConfigOption("unix_socket_directory", optarg, PGC_POSTMASTER, true);
break;
#ifdef USE_SSL
case 'l':
! SetConfigOption("ssl", optarg, PGC_POSTMASTER, true);
break;
#endif
case 'm':
***************
*** 483,493 ****
* The max number of backends to start. Can't set to less
* than 1 or more than compiled-in limit.
*/
! MaxBackends = atoi(optarg);
! if (MaxBackends < 1)
! MaxBackends = 1;
! if (MaxBackends > MAXBACKENDS)
! MaxBackends = MAXBACKENDS;
break;
case 'n':
/* Don't reinit shared mem after abnormal exit */
--- 483,489 ----
* The max number of backends to start. Can't set to less
* than 1 or more than compiled-in limit.
*/
! SetConfigOption("max_connections", optarg, PGC_POSTMASTER, true);
break;
case 'n':
/* Don't reinit shared mem after abnormal exit */
***************
*** 504,510 ****
strcpy(original_extraoptions, optarg);
break;
case 'p':
! PostPortNumber = atoi(optarg);
break;
case 'S':

--- 500,506 ----
strcpy(original_extraoptions, optarg);
break;
case 'p':
! SetConfigOption("port", optarg, PGC_POSTMASTER, true);
break;
case 'S':

***************
*** 514,520 ****
* it's most badly needed on SysV-derived systems like
* SVR4 and HP-UX.
*/
! SilentMode = true;
break;
case 's':

--- 510,516 ----
* it's most badly needed on SysV-derived systems like
* SVR4 and HP-UX.
*/
! SetConfigOption("silent_mode", optarg, PGC_POSTMASTER, true);
break;
case 's':

Index: src/backend/tcop/postgres.c
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/src/backend/tcop/postgres.c,v
retrieving revision 1.220
diff -u -c -r1.220 postgres.c
*** src/backend/tcop/postgres.c 2001/06/12 22:54:06 1.220
--- src/backend/tcop/postgres.c 2001/06/15 16:22:47
***************
*** 1108,1113 ****
--- 1108,1115 ----
const char *DBName = NULL;
bool secure = true;
int errs = 0;
+ GucContext ctx;
+ char *tmp;

int firstchar;
StringInfo parser_input;
***************
*** 1117,1122 ****
--- 1119,1127 ----

char *potential_DataDir = NULL;

+ /* all options are allowed if not under postmaster */
+ ctx = IsUnderPostmaster ? PGC_BACKEND : PGC_POSTMASTER;
+
/*
* Catch standard options before doing much else. This even works on
* systems without getopt_long.
***************
*** 1188,1194 ****
{
case 'A':
#ifdef USE_ASSERT_CHECKING
! assert_enabled = atoi(optarg);
#else
fprintf(stderr, "Assert checking is not compiled in\n");
#endif
--- 1193,1199 ----
{
case 'A':
#ifdef USE_ASSERT_CHECKING
! SetConfigOption("debug_assertions", optarg, ctx, true);
#else
fprintf(stderr, "Assert checking is not compiled in\n");
#endif
***************
*** 1200,1206 ****
* specify the size of buffer pool
*/
if (secure)
! NBuffers = atoi(optarg);
break;

case 'C':
--- 1205,1211 ----
* specify the size of buffer pool
*/
if (secure)
! SetConfigOption("shared_buffers", optarg, ctx, true);
break;

case 'C':
***************
*** 1217,1233 ****
break;

case 'd': /* debug level */
! DebugLvl = atoi(optarg);
if (DebugLvl >= 1);
! Log_connections = true;
if (DebugLvl >= 2)
! Debug_print_query = true;
if (DebugLvl >= 3)
! Debug_print_parse = true;
if (DebugLvl >= 4)
! Debug_print_plan = true;
if (DebugLvl >= 5)
! Debug_print_rewritten = true;
break;

case 'E':
--- 1222,1239 ----
break;

case 'd': /* debug level */
! tmp = "true";
! SetConfigOption("debug_level", optarg, ctx, true);
if (DebugLvl >= 1);
! SetConfigOption("log_connections", tmp, ctx, true);
if (DebugLvl >= 2)
! SetConfigOption("debug_print_query", tmp, ctx, true);
if (DebugLvl >= 3)
! SetConfigOption("debug_print_parse", tmp, ctx, true);
if (DebugLvl >= 4)
! SetConfigOption("debug_print_plan", tmp, ctx, true);
if (DebugLvl >= 5)
! SetConfigOption("debug_print_rewritten", tmp, ctx, true);
break;

case 'E':
***************
*** 1252,1258 ****
* turn off fsync
*/
if (secure)
! enableFsync = false;
break;

case 'f':
--- 1258,1264 ----
* turn off fsync
*/
if (secure)
! SetConfigOption("fsync", "true", ctx, true);
break;

case 'f':
***************
*** 1260,1288 ****
/*
* f - forbid generation of certain plans
*/
switch (optarg[0])
{
case 's': /* seqscan */
! enable_seqscan = false;
break;
case 'i': /* indexscan */
! enable_indexscan = false;
break;
case 't': /* tidscan */
! enable_tidscan = false;
break;
case 'n': /* nestloop */
! enable_nestloop = false;
break;
case 'm': /* mergejoin */
! enable_mergejoin = false;
break;
case 'h': /* hashjoin */
! enable_hashjoin = false;
break;
default:
errs++;
}
break;

case 'i':
--- 1266,1297 ----
/*
* f - forbid generation of certain plans
*/
+ tmp = NULL;
switch (optarg[0])
{
case 's': /* seqscan */
! tmp = "enable_seqscan";
break;
case 'i': /* indexscan */
! tmp = "enable_indexscan";
break;
case 't': /* tidscan */
! tmp = "enable_tidscan";
break;
case 'n': /* nestloop */
! tmp = "enable_nestloop";
break;
case 'm': /* mergejoin */
! tmp = "enable_mergejoin";
break;
case 'h': /* hashjoin */
! tmp = "enable_hashjoin";
break;
default:
errs++;
}
+ if (tmp)
+ SetConfigOption(tmp, "false", ctx, true);
break;

case 'i':
***************
*** 1352,1364 ****
/*
* S - amount of sort memory to use in 1k bytes
*/
! {
! int S;
!
! S = atoi(optarg);
! if (S >= 4 * BLCKSZ / 1024)
! SortMem = S;
! }
break;

case 's':
--- 1361,1367 ----
/*
* S - amount of sort memory to use in 1k bytes
*/
! SetConfigOption("sort_mem", optarg, ctx, true);
break;

case 's':
***************
*** 1366,1372 ****
/*
* s - report usage statistics (timings) after each query
*/
! Show_query_stats = 1;
break;

case 't':
--- 1369,1375 ----
/*
* s - report usage statistics (timings) after each query
*/
! SetConfigOption("show_query_stats", optarg, ctx, true);
break;

case 't':
***************
*** 1380,1402 ****
* caution: -s can not be used together with -t.
* ----------------
*/
switch (optarg[0])
{
case 'p':
if (optarg[1] == 'a')
! Show_parser_stats = 1;
else if (optarg[1] == 'l')
! Show_planner_stats = 1;
else
errs++;
break;
case 'e':
! Show_executor_stats = 1;
break;
default:
errs++;
break;
}
break;

case 'v':
--- 1383,1408 ----
* caution: -s can not be used together with -t.
* ----------------
*/
+ tmp = NULL;
switch (optarg[0])
{
case 'p':
if (optarg[1] == 'a')
! tmp = "show_parser_stats";
else if (optarg[1] == 'l')
! tmp = "show_planner_stats";
else
errs++;
break;
case 'e':
! tmp = "show_parser_stats";
break;
default:
errs++;
break;
}
+ if (tmp)
+ SetConfigOption(tmp, "true", ctx, true);
break;

case 'v':
***************
*** 1460,1468 ****
elog(ERROR, "-c %s requires argument", optarg);
}

! /* all options are allowed if not under postmaster */
! SetConfigOption(name, value,
! (IsUnderPostmaster) ? PGC_BACKEND : PGC_POSTMASTER, true);
free(name);
if (value)
free(value);
--- 1466,1472 ----
elog(ERROR, "-c %s requires argument", optarg);
}

! SetConfigOption(name, value, ctx, true);
free(name);
if (value)
free(value);
Index: src/backend/utils/misc/guc.c
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/src/backend/utils/misc/guc.c,v
retrieving revision 1.38
diff -u -c -r1.38 guc.c
*** src/backend/utils/misc/guc.c 2001/06/12 22:54:06 1.38
--- src/backend/utils/misc/guc.c 2001/06/15 16:22:49
***************
*** 270,276 ****
DEF_PGPORT, 1, 65535, NULL, NULL},

{"sort_mem", PGC_USERSET, &SortMem,
! 512, 1, INT_MAX, NULL, NULL},

{"debug_level", PGC_USERSET, &DebugLvl,
0, 0, 16, NULL, NULL},
--- 270,276 ----
DEF_PGPORT, 1, 65535, NULL, NULL},

{"sort_mem", PGC_USERSET, &SortMem,
! 512, 4*BLCKSZ/1024, INT_MAX, NULL, NULL},

{"debug_level", PGC_USERSET, &DebugLvl,
0, 0, 16, NULL, NULL},