From 9e4798ea0d0e7562e2e3fb5157c8ee17f615d170 Mon Sep 17 00:00:00 2001
From: "Marc G. Fournier" <scrappy@hub.org>
Date: Sat, 15 Mar 1997 06:03:08 +0000
Subject: [PATCH] A couple of development scripts by Dan to detect unused and
 duplicate oids

---
 src/include/catalog/duplicate_oids | 20 +++++++++++++++
 src/include/catalog/unused_oids    | 41 ++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100755 src/include/catalog/duplicate_oids
 create mode 100755 src/include/catalog/unused_oids

diff --git a/src/include/catalog/duplicate_oids b/src/include/catalog/duplicate_oids
new file mode 100755
index 0000000000..caf43a8010
--- /dev/null
+++ b/src/include/catalog/duplicate_oids
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# duplicate_oids
+#
+# finds oids that are duplicated in the system tables.
+#
+
+egrep '^DATA' pg_*.h | \
+	sed -e 's/^.*OID[^=]*=[^0-9]*//' -e 's/[^0-9].*$//' | \
+	sort -n >/tmp/alloids.$$
+uniq /tmp/alloids.$$ >/tmp/uniqoids.$$
+diff -u /tmp/alloids.$$ /tmp/uniqoids.$$ | \
+	grep -v '/tmp/' | \
+	grep '^-' | \
+	sed -e 's/^-//' | \
+	grep -v '^0$' | \
+	uniq
+rm /tmp/alloids.$$
+rm /tmp/uniqoids.$$
+
diff --git a/src/include/catalog/unused_oids b/src/include/catalog/unused_oids
new file mode 100755
index 0000000000..a30191dfa3
--- /dev/null
+++ b/src/include/catalog/unused_oids
@@ -0,0 +1,41 @@
+#!/bin/sh
+# unused_oids
+#
+# $Header: /cvsroot/pgsql/src/include/catalog/unused_oids,v 1.1 1997/03/15 06:03:08 scrappy Exp $
+#
+#	finds blocks of oids that have not already been claimed by 
+#	post_hackers for internal purposes.  primarily useful for
+#	finding valid oids for new internal function oids.  the numbers
+#	printed are inclusive ranges of valid (unused) oids.
+#
+#	before using a large empty block, make sure you aren't about
+#	to take over what was intended as expansion space for something
+#	else.  also, before using a number, do a "grepsrc" to make sure 
+#	that someone isn't using a literal numeric constant somewhere..
+#
+#	non-berkeley post_hackers should probably not try to use oids 
+#	less than the highest one that comes with the distributed source.
+#
+#	run this script in src/backend/catalog.
+#
+egrep '^DATA' pg_*.h | \
+	sed -e 's/^.*OID[^=]*=[^0-9]*//' -e 's/[^0-9].*$//' | \
+	sort -n | \
+	uniq | \
+	awk '
+BEGIN {
+	last = 0;
+}
+/^[0-9]/ {
+	if ($1 > last + 1) {
+		if ($1 > last + 2) {
+			print last + 1, "-", $1 - 1;
+		} else {
+			print last + 1;
+		}
+	}
+	last = $1;
+}
+END {
+	print last + 1, "-";
+}'