*
* Copyright (c) 2000-2006, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc-file.l,v 1.40 2006/08/11 20:15:16 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc-file.l,v 1.41 2006/08/12 04:11:50 momjian Exp $
*/
%{
{
int elevel, i;
struct name_value_pair *item, *head, *tail;
- char *env;
bool *apply_list = NULL;
int varcount = 0;
set_config_option(item->name, item->value, context,
PGC_S_FILE, false, true);
- if( context == PGC_SIGHUP)
- {
- /*
- * Revert all "untouched" options with reset source PGC_S_FILE to
- * default/boot value.
- */
- for (i = 0; i < num_guc_variables; i++)
- {
- struct config_generic *gconf = guc_variables[i];
- if ( gconf->reset_source == PGC_S_FILE &&
- !(gconf->status & GUC_IN_CONFFILE) )
- {
- if ( gconf->context == PGC_BACKEND && IsUnderPostmaster)
- ; /* Be silent. Does any body want message from each session? */
- else if (gconf->context == PGC_POSTMASTER)
- ereport(elevel,
- (errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
- errmsg("parameter \"%s\" cannot be changed (commented) after server start; configuration file change ignored",
- gconf->name)));
- else if(set_config_option(gconf->name,
- NULL, context,
- PGC_S_FILE,
- false, true))
- {
- GucStack *stack;
- /* set correctly source */
- gconf->reset_source = PGC_S_DEFAULT;
- for (stack = gconf->stack; stack; stack = stack->prev)
- if (stack->source == PGC_S_FILE)
- stack->source = PGC_S_DEFAULT;
-
- ereport(elevel,
- (errcode(ERRCODE_SUCCESSFUL_COMPLETION),
- errmsg("configuration option %s falls back to default value", gconf->name)));
- }
- }
- gconf->status &= ~GUC_IN_CONFFILE;
- }
-
- /* Revert to environment variable. PGPORT is ignored, because it cannot be
- * set in running state.
- */
- env = getenv("PGDATESTYLE");
- if (env != NULL)
- set_config_option("datestyle", env, context,
- PGC_S_ENV_VAR, false, true);
-
- env = getenv("PGCLIENTENCODING");
- if (env != NULL)
- set_config_option("client_encoding", env, context,
- PGC_S_ENV_VAR, false, true);
- }
cleanup_list:
if (apply_list)
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.335 2006/08/11 20:15:16 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.336 2006/08/12 04:11:50 momjian Exp $
*
*--------------------------------------------------------------------
*/
struct config_bool *conf = (struct config_bool *) gconf;
if (conf->assign_hook)
- if (!(*conf->assign_hook) (conf->boot_val, true,
+ if (!(*conf->assign_hook) (conf->reset_val, true,
PGC_S_DEFAULT))
elog(FATAL, "failed to initialize %s to %d",
- conf->gen.name, (int) conf->boot_val);
- *conf->variable = conf->reset_val = conf->boot_val;
+ conf->gen.name, (int) conf->reset_val);
+ *conf->variable = conf->reset_val;
break;
}
case PGC_INT:
{
struct config_int *conf = (struct config_int *) gconf;
- Assert(conf->boot_val >= conf->min);
- Assert(conf->boot_val <= conf->max);
+ Assert(conf->reset_val >= conf->min);
+ Assert(conf->reset_val <= conf->max);
if (conf->assign_hook)
- if (!(*conf->assign_hook) (conf->boot_val, true,
+ if (!(*conf->assign_hook) (conf->reset_val, true,
PGC_S_DEFAULT))
elog(FATAL, "failed to initialize %s to %d",
- conf->gen.name, conf->boot_val);
- *conf->variable = conf->reset_val = conf->boot_val;
+ conf->gen.name, conf->reset_val);
+ *conf->variable = conf->reset_val;
break;
}
case PGC_REAL:
{
struct config_real *conf = (struct config_real *) gconf;
- Assert(conf->boot_val >= conf->min);
- Assert(conf->boot_val <= conf->max);
+ Assert(conf->reset_val >= conf->min);
+ Assert(conf->reset_val <= conf->max);
if (conf->assign_hook)
- if (!(*conf->assign_hook) (conf->boot_val, true,
+ if (!(*conf->assign_hook) (conf->reset_val, true,
PGC_S_DEFAULT))
elog(FATAL, "failed to initialize %s to %g",
- conf->gen.name, conf->boot_val);
- *conf->variable = conf->reset_val = conf->boot_val;
+ conf->gen.name, conf->reset_val);
+ *conf->variable = conf->reset_val;
break;
}
case PGC_STRING:
for (i = 0; i < num_guc_variables; i++)
{
struct config_generic *gconf = guc_variables[i];
- int my_status = gconf->status & (~GUC_IN_CONFFILE);
+ int my_status = gconf->status;
GucStack *stack = gconf->stack;
bool useTentative;
bool changed;
}
else
{
- /* Revert value to default if source is configuration file. It is used when
- * configuration parameter is removed/commented out in the config file. Else
- * RESET or SET TO DEFAULT command is called and reset_val is used.
- */
- if( *source == PGC_S_FILE )
- {
- newval = conf->boot_val;
- }
- else
- {
- newval = conf->reset_val;
- *source = conf->gen.reset_source;
- }
+ newval = conf->reset_val;
+ *source = conf->gen.reset_source;
}
if (conf->assign_hook)
}
else
{
- /* Revert value to default if source is configuration file. It is used when
- * configuration parameter is removed/commented out in the config file. Else
- * RESET or SET TO DEFAULT command is called and reset_val is used.
- */
- if( *source == PGC_S_FILE )
- {
- newval = conf->boot_val;
- }
- else
- {
- newval = conf->reset_val;
- *source = conf->gen.reset_source;
- }
+ newval = conf->reset_val;
+ *source = conf->gen.reset_source;
}
if (conf->assign_hook)
}
else
{
- /* Revert value to default if source is configuration file. It is used when
- * configuration parameter is removed/commented out in the config file. Else
- * RESET or SET TO DEFAULT command is called and reset_val is used.
- */
- if( *source == PGC_S_FILE )
- {
- newval = conf->boot_val;
- }
- else
- {
- newval = conf->reset_val;
- *source = conf->gen.reset_source;
- }
+ newval = conf->reset_val;
+ *source = conf->gen.reset_source;
}
if (conf->assign_hook)
if (conf->gen.flags & GUC_IS_NAME)
truncate_identifier(newval, strlen(newval), true);
}
- else if (*source == PGC_S_FILE)
- {
- /* Revert value to default when item is removed from config file. */
- if ( conf->boot_val != NULL )
- {
- newval = guc_strdup(elevel, conf->boot_val);
- if (newval == NULL)
- return false;
- }
- else
- {
- return false;
- }
- }
else if (conf->reset_val)
{
/*
if( parse_value(elevel, record, value, &source, false, &newval) )
{
- /* Mark record like presented in the config file. Be carefull if
- * you use this function for another purpose than config file
- * verification. It causes confusion configfile parser. */
- record->status |= GUC_IN_CONFFILE;
-
if( isNewEqual != NULL)
*isNewEqual = is_newvalue_equal(record, value);
if( isContextOK != NULL)
* Should we set reset/stacked values? (If so, the behavior is not
* transactional.)
*/
- makeDefault = changeVal && (source <= PGC_S_OVERRIDE) && (value != NULL || source == PGC_S_FILE);
+ makeDefault = changeVal && (source <= PGC_S_OVERRIDE) && (value != NULL);
/*
* Ignore attempted set if overridden by previously processed setting.
*
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/include/utils/guc_tables.h,v 1.25 2006/08/11 20:15:16 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/utils/guc_tables.h,v 1.26 2006/08/12 04:11:50 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#define GUC_HAVE_TENTATIVE 0x0001 /* tentative value is defined */
#define GUC_HAVE_LOCAL 0x0002 /* a SET LOCAL has been executed */
#define GUC_HAVE_STACK 0x0004 /* we have stacked prior value(s) */
-#define GUC_IN_CONFFILE 0x0008 /* value shows up in the configuration
- file (is not commented) */
+
/* GUC records for specific variable types */
/* these fields must be set correctly in initial value: */
/* (all but reset_val are constants) */
bool *variable;
- bool boot_val;
+ bool reset_val;
GucBoolAssignHook assign_hook;
GucShowHook show_hook;
/* variable fields, initialized at runtime: */
bool tentative_val;
- bool reset_val;
};
struct config_int
/* these fields must be set correctly in initial value: */
/* (all but reset_val are constants) */
int *variable;
- int boot_val;
+ int reset_val;
int min;
int max;
GucIntAssignHook assign_hook;
GucShowHook show_hook;
/* variable fields, initialized at runtime: */
int tentative_val;
- int reset_val;
};
struct config_real
/* these fields must be set correctly in initial value: */
/* (all but reset_val are constants) */
double *variable;
- double boot_val;
+ double reset_val;
double min;
double max;
GucRealAssignHook assign_hook;
GucShowHook show_hook;
/* variable fields, initialized at runtime: */
double tentative_val;
- double reset_val;
};
struct config_string
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