workaround for toast tables. The bug is reported by Kenny Gorman.

bin/sql/init.sql

@@ -0,0 +1,5 @@
+SET client_min_messages = warning;
+\set ECHO none
+\i ../lib/pg_reorg.sql
+\set ECHO all
+RESET client_min_messages;

bin/sql/reorg.sql

@@ -0,0 +1,73 @@
+SET client_min_messages = warning;
+--
+-- create table.
+--
+CREATE TABLE tbl_cluster (
+	col1 int,
+	col2 timestamp,
+	":-)" text,
+	primary key(":-)", col1)
+) WITH (fillfactor = 70);
+
+CREATE INDEX cidx_cluster ON tbl_cluster (col2, length(":-)"));
+ALTER TABLE tbl_cluster CLUSTER ON cidx_cluster;
+
+CREATE TABLE tbl_only_pkey (
+	col1 int PRIMARY KEY,
+	":-)" text
+);
+
+CREATE TABLE tbl_only_ckey (
+	col1 int,
+	col2 timestamp,
+	":-)" text
+) WITH (fillfactor = 70);
+
+CREATE INDEX cidx_only_ckey ON tbl_only_ckey (col2, ":-)");
+ALTER TABLE tbl_only_ckey CLUSTER ON cidx_only_ckey;
+
+CREATE TABLE tbl_gistkey (
+	id integer PRIMARY KEY,
+	c circle
+);
+
+CREATE INDEX cidx_circle ON tbl_gistkey USING gist (c);
+ALTER TABLE tbl_gistkey CLUSTER ON cidx_circle;
+
+INSERT INTO tbl_cluster VALUES(1, '2008-12-31 10:00:00', 'admin');
+INSERT INTO tbl_cluster VALUES(2, '2008-01-01 00:00:00', 'king');
+INSERT INTO tbl_cluster VALUES(3, '2008-03-04 12:00:00', 'joker');
+INSERT INTO tbl_cluster VALUES(4, '2008-03-05 15:00:00', 'queen');
+INSERT INTO tbl_cluster VALUES(5, '2008-01-01 00:30:00', sqrt(2::numeric(1000,999))::text || sqrt(3::numeric(1000,999))::text);
+
+--
+-- do reorg
+--
+
+\! pg_reorg --dbname=contrib_regression --table=tbl_cluster
+
+--
+-- results
+--
+
+\d+ tbl_cluster
+\d+ tbl_gistkey
+\d+ tbl_only_ckey
+\d+ tbl_only_pkey
+
+SET synchronize_seqscans = off;
+SELECT col1, to_char(col2, 'YYYY-MM-DD HH24:MI:SS'), ":-)" FROM tbl_cluster;
+SELECT * FROM tbl_gistkey;
+SELECT * FROM tbl_only_ckey;
+SELECT * FROM tbl_only_pkey;
+RESET synchronize_seqscans;
+
+--
+-- clean up
+--
+
+DROP TABLE tbl_cluster;
+DROP TABLE tbl_gistkey;
+DROP TABLE tbl_only_pkey;
+DROP TABLE tbl_only_ckey;
+RESET client_min_messages;