Here are two patches. The guc_and_tablefunc patch addresses the two

changes mentioned above, and also adds a new function to the tablefunc
API. The tablefunc API change adds the following function:

* Oid foidGetTypeId(Oid foid) - Get a function's typeid given the
* function Oid. Use this together with TypeGetTupleDesc() to get a
* TupleDesc which is derived from the function's declared return type.

In the next post I'll send the contrib/tablefunc patch, which
illustrates the usage of this new function. Also attached is a doc patch
for this change. The doc patch also adds a function that I failed to
document previously.

Joe Conway

1 files changed, 11 insertions, 3 deletions

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index c90c52e8ccf..4a03c95277b 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -5,7 +5,7 @@
  * command, configuration file, and command line options.
  * See src/backend/utils/misc/README for more information.
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.75 2002/07/20 15:12:55 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.76 2002/07/30 16:20:03 momjian Exp $
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  * Written by Peter Eisentraut <peter_e@gmx.net>.
@@ -2347,13 +2347,21 @@ GetConfigOptionByName(const char *name, const char **varname)
  * form of name.  Return value is palloc'd.
  */
 char *
-GetConfigOptionByNum(int varnum, const char **varname)
+GetConfigOptionByNum(int varnum, const char **varname, bool *noshow)
 {
-	struct config_generic *conf = guc_variables[varnum];
+	struct config_generic *conf;
+
+	/* check requested variable number valid */
+	Assert((varnum >= 0) && (varnum < num_guc_variables));
+
+	conf = guc_variables[varnum];
 
 	if (varname)
 		*varname = conf->name;
 
+	if (noshow)
+		*noshow = (conf->flags & GUC_NO_SHOW_ALL) ? true : false;
+
 	return _ShowOption(conf);
 }