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Add "source file" and "source line" information to each GUC variable.

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initdb forced due to changes in the pg_settings view.

Magnus Hagander and Alvaro Herrera.
This commit is contained in:
Alvaro Herrera
2008-09-10 18:09:20 +00:00
parent bacf7b2086
commit 3b9ec4682c
7 changed files with 93 additions and 17 deletions
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61
src/backend/utils/misc/guc.c
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@@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.470 2008/08/25 15:11:00 mha Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.471 2008/09/10 18:09:19 alvherre Exp $
*
*--------------------------------------------------------------------
*/
@@ -129,6 +129,8 @@ extern bool optimize_bounded_sort;
extern char *SSLCipherSuites;
#endif
static void set_config_sourcefile(const char *name, char *sourcefile,
int sourceline);
static const char *assign_log_destination(const char *value,
bool doit, GucSource source);
@@ -3200,6 +3202,8 @@ InitializeGUCOptions(void)
gconf->reset_source = PGC_S_DEFAULT;
gconf->source = PGC_S_DEFAULT;
gconf->stack = NULL;
gconf->sourcefile = NULL;
gconf->sourceline = 0;
switch (gconf->vartype)
{
@@ -3541,7 +3545,6 @@ ResetAllOptions(void)
PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name);
*conf->variable = conf->reset_val;
conf->gen.source = conf->gen.reset_source;
break;
}
case PGC_INT:
@@ -3553,7 +3556,6 @@ ResetAllOptions(void)
PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name);
*conf->variable = conf->reset_val;
conf->gen.source = conf->gen.reset_source;
break;
}
case PGC_REAL:
@@ -3565,7 +3567,6 @@ ResetAllOptions(void)
PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name);
*conf->variable = conf->reset_val;
conf->gen.source = conf->gen.reset_source;
break;
}
case PGC_STRING:
@@ -3594,7 +3595,6 @@ ResetAllOptions(void)
}
set_string_field(conf, conf->variable, str);
conf->gen.source = conf->gen.reset_source;
break;
}
case PGC_ENUM:
@@ -3606,11 +3606,12 @@ ResetAllOptions(void)
PGC_S_SESSION))
elog(ERROR, "failed to reset %s", conf->gen.name);
*conf->variable = conf->reset_val;
conf->gen.source = conf->gen.reset_source;
break;
}
}
gconf->source = gconf->reset_source;
if (gconf->flags & GUC_REPORT)
ReportGUCOption(gconf);
}
@@ -5107,10 +5108,39 @@ set_config_option(const char *name, const char *value,
}
/*
* Set the fields for source file and line number the setting came from.
*/
static void
set_config_sourcefile(const char *name, char *sourcefile, int sourceline)
{
struct config_generic *record;
int elevel;
/*
* To avoid cluttering the log, only the postmaster bleats loudly
* about problems with the config file.
*/
elevel = IsUnderPostmaster ? DEBUG3 : LOG;
record = find_option(name, true, elevel);
/* should not happen */
if (record == NULL)
elog(ERROR, "unrecognized configuration parameter \"%s\"", name);
if (record->sourcefile)
free(record->sourcefile);
record->sourcefile = guc_strdup(elevel, sourcefile);
record->sourceline = sourceline;
}
/*
* Set a config option to the given value. See also set_config_option,
* this is just the wrapper to be called from outside GUC. NB: this
* is used only for non-transactional operations.
*
* Note: there is no support here for setting source file/line, as it
* is currently not needed.
*/
void
SetConfigOption(const char *name, const char *value,
@@ -6144,6 +6174,19 @@ GetConfigOptionByNum(int varnum, const char **values, bool *noshow)
}
break;
}
/* If the setting came from a config file, set the source location */
if (conf->source == PGC_S_FILE)
{
values[12] = conf->sourcefile;
snprintf(buffer, sizeof(buffer), "%d", conf->sourceline);
values[13] = pstrdup(buffer);
}
else
{
values[12] = NULL;
values[13] = NULL;
}
}
/*
@@ -6179,7 +6222,7 @@ show_config_by_name(PG_FUNCTION_ARGS)
* show_all_settings - equiv to SHOW ALL command but implemented as
* a Table Function.
*/
#define NUM_PG_SETTINGS_ATTS 12
#define NUM_PG_SETTINGS_ATTS 14
Datum
show_all_settings(PG_FUNCTION_ARGS)
@@ -6231,6 +6274,10 @@ show_all_settings(PG_FUNCTION_ARGS)
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 12, "enumvals",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 13, "sourcefile",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 14, "sourceline",
INT4OID, -1, 0);
/*
* Generate attribute metadata needed later to produce tuples from raw