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Fix postgres --describe-config for guc enums, breakage noted by Alvaro. 

While at it, rename option lookup functions to make names clearer, per
discussion with Tom.
This commit is contained in:
Magnus Hagander 2008-03-17 17:45:09 +00:00
parent 164899db1c
commit 7cbfa7565e
3 changed files with 28 additions and 18 deletions
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29
src/backend/utils/misc/guc.c
View File

@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.438 2008/03/16 16:42:44 mha Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.439 2008/03/17 17:45:09 mha Exp $
*
*--------------------------------------------------------------------
*/
@ -168,9 +168,6 @@ static const char *show_tcp_keepalives_count(void);
static bool assign_autovacuum_max_workers(int newval, bool doit, GucSource source);
static bool assign_maxconnections(int newval, bool doit, GucSource source);
static const char *config_enum_lookup_value(struct config_enum *record, int val);
static bool config_enum_lookup_name(struct config_enum *record,
const char *value, int *retval);
static char *config_enum_get_options(struct config_enum *record,
const char *prefix, const char *suffix);
@ -3144,7 +3141,7 @@ InitializeGUCOptions(void)
PGC_S_DEFAULT))
elog(FATAL, "failed to initialize %s to %s",
conf->gen.name,
config_enum_lookup_value(conf, conf->boot_val));
config_enum_lookup_by_value(conf, conf->boot_val));
*conf->variable = conf->reset_val = conf->boot_val;
break;
}
@ -4219,8 +4216,8 @@ parse_real(const char *value, double *result)
* The returned string is a pointer to static data and not
* allocated for modification.
*/
static const char *
config_enum_lookup_value(struct config_enum *record, int val)
const char *
config_enum_lookup_by_value(struct config_enum *record, int val)
{
const struct config_enum_entry *entry = record->options;
while (entry && entry->name)
@ -4242,8 +4239,8 @@ config_enum_lookup_value(struct config_enum *record, int val)
* true. If it's not found, return FALSE and retval is set to 0.
*
*/
static bool
config_enum_lookup_name(struct config_enum *record, const char *value, int *retval)
bool
config_enum_lookup_by_name(struct config_enum *record, const char *value, int *retval)
{
const struct config_enum_entry *entry = record->options;
@ -4876,7 +4873,7 @@ set_config_option(const char *name, const char *value,
if (value)
{
if (!config_enum_lookup_name(conf, value, &newval))
if (!config_enum_lookup_by_name(conf, value, &newval))
{
char *hintmsg = config_enum_get_options(conf, "Available values: ", ".");
@ -4906,7 +4903,7 @@ set_config_option(const char *name, const char *value,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid value for parameter \"%s\": \"%s\"",
name,
config_enum_lookup_value(conf, newval))));
config_enum_lookup_by_value(conf, newval))));
return false;
}
@ -5007,7 +5004,7 @@ GetConfigOption(const char *name)
return *((struct config_string *) record)->variable;
case PGC_ENUM:
return config_enum_lookup_value((struct config_enum *) record,
return config_enum_lookup_by_value((struct config_enum *) record,
*((struct config_enum *) record)->variable);
}
return NULL;
@ -5055,7 +5052,7 @@ GetConfigOptionResetString(const char *name)
return ((struct config_string *) record)->reset_val;
case PGC_ENUM:
return config_enum_lookup_value((struct config_enum *) record,
return config_enum_lookup_by_value((struct config_enum *) record,
((struct config_enum *) record)->reset_val);
}
return NULL;
@ -6265,7 +6262,7 @@ _ShowOption(struct config_generic * record, bool use_units)
if(conf->show_hook)
val = (*conf->show_hook) ();
else
val = config_enum_lookup_value(conf, *conf->variable);
val = config_enum_lookup_by_value(conf, *conf->variable);
}
break;
@ -6331,7 +6328,7 @@ is_newvalue_equal(struct config_generic * record, const char *newvalue)
struct config_enum *conf = (struct config_enum *) record;
int newval;
return config_enum_lookup_name(conf, newvalue, &newval)
return config_enum_lookup_by_name(conf, newvalue, &newval)
&& *conf->variable == newval;
}
}
@ -6425,7 +6422,7 @@ write_nondefault_variables(GucContext context)
{
struct config_enum *conf = (struct config_enum *) gconf;
fprintf(fp, "%s", config_enum_lookup_value(conf, *conf->variable));
fprintf(fp, "%s", config_enum_lookup_by_value(conf, *conf->variable));
}
break;
}

9
src/backend/utils/misc/help_config.c
View File

@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/help_config.c,v 1.20 2008/02/23 19:23:33 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/help_config.c,v 1.21 2008/03/17 17:45:09 mha Exp $
*
*-------------------------------------------------------------------------
*/
@ -35,6 +35,7 @@ typedef union
struct config_real real;
struct config_int integer;
struct config_string string;
struct config_enum _enum;
} mixedStruct;
@ -120,6 +121,12 @@ printMixedStruct(mixedStruct *structToPrint)
structToPrint->string.boot_val ? structToPrint->string.boot_val : "");
break;
case PGC_ENUM:
printf("ENUM\t%s\t\t\t",
config_enum_lookup_by_value(&structToPrint->_enum,
structToPrint->_enum.boot_val));
break;
default:
write_stderr("internal error: unrecognized run-time parameter type\n");
break;

8
src/include/utils/guc_tables.h
View File

@ -7,7 +7,7 @@
*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/utils/guc_tables.h,v 1.40 2008/03/16 16:42:44 mha Exp $
* $PostgreSQL: pgsql/src/include/utils/guc_tables.h,v 1.41 2008/03/17 17:45:09 mha Exp $
*
*-------------------------------------------------------------------------
*/
@ -236,4 +236,10 @@ extern struct config_generic **get_guc_variables(void);
extern void build_guc_variables(void);
/* search in enum options */
extern const char *config_enum_lookup_by_value(struct config_enum *record, int val);
extern bool config_enum_lookup_by_name(struct config_enum *record,
const char *value, int *retval);
#endif /* GUC_TABLES_H */