pg_repack/bin/sql/reorg.sql

SET client_min_messages = warning;
--
-- create table.
--
CREATE TABLE tbl_cluster (
	col1 int,
	col2 timestamp,
	","")" text,
	PRIMARY KEY (","")", col1) WITH (fillfactor = 75)
) WITH (fillfactor = 70);

CREATE INDEX ","") cluster" ON tbl_cluster (col2, length(","")"), ","")" text_pattern_ops) WITH (fillfactor = 75);
ALTER TABLE tbl_cluster CLUSTER ON ","") 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;

CREATE TABLE tbl_with_dropped_column (
	d1 text,
	c1 text,
	id integer PRIMARY KEY,
	d2 text,
	c2 text,
	d3 text
);
ALTER INDEX tbl_with_dropped_column_pkey SET (fillfactor = 75);
ALTER TABLE tbl_with_dropped_column CLUSTER ON tbl_with_dropped_column_pkey;
CREATE INDEX idx_c1c2 ON tbl_with_dropped_column (c1, c2) WITH (fillfactor = 75);
CREATE INDEX idx_c2c1 ON tbl_with_dropped_column (c2, c1);

CREATE TABLE tbl_with_dropped_toast (
	i integer,
	j integer,
	t text,
	PRIMARY KEY (i, j)
);
ALTER TABLE tbl_with_dropped_toast CLUSTER ON tbl_with_dropped_toast_pkey;

--
-- insert data
--

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);

INSERT INTO tbl_only_pkey VALUES(1, 'abc');
INSERT INTO tbl_only_pkey VALUES(2, 'def');

INSERT INTO tbl_only_ckey VALUES(1, '2008-01-01 00:00:00', 'abc');
INSERT INTO tbl_only_ckey VALUES(2, '2008-02-01 00:00:00', 'def');

INSERT INTO tbl_gistkey VALUES(1, '<(1,2),3>');
INSERT INTO tbl_gistkey VALUES(2, '<(4,5),6>');

INSERT INTO tbl_with_dropped_column VALUES('d1', 'c1', 2, 'd2', 'c2', 'd3');
INSERT INTO tbl_with_dropped_column VALUES('d1', 'c1', 1, 'd2', 'c2', 'd3');
ALTER TABLE tbl_with_dropped_column DROP COLUMN d1;
ALTER TABLE tbl_with_dropped_column DROP COLUMN d2;
ALTER TABLE tbl_with_dropped_column DROP COLUMN d3;
ALTER TABLE tbl_with_dropped_column ADD COLUMN c3 text;

INSERT INTO tbl_with_dropped_toast VALUES(1, 10, 'abc');
INSERT INTO tbl_with_dropped_toast VALUES(2, 20, sqrt(2::numeric(1000,999))::text || sqrt(3::numeric(1000,999))::text);
ALTER TABLE tbl_with_dropped_toast DROP COLUMN t;
--
-- before
--

SELECT * FROM tbl_with_dropped_column;
SELECT * FROM tbl_with_dropped_toast;

--
-- do reorg
--

\! pg_reorg --dbname=contrib_regression --no-order
\! pg_reorg --dbname=contrib_regression
\! pg_reorg --dbname=contrib_regression --table=tbl_cluster

--
-- after
--

\d tbl_cluster
\d tbl_gistkey
\d tbl_only_ckey
\d tbl_only_pkey
\d tbl_with_dropped_column
\d tbl_with_dropped_toast

SELECT col1, to_char(col2, 'YYYY-MM-DD HH24:MI:SS'), ","")" FROM tbl_cluster;
SELECT * FROM tbl_only_ckey ORDER BY 1;
SELECT * FROM tbl_only_pkey ORDER BY 1;
SELECT * FROM tbl_gistkey ORDER BY 1;
SELECT * FROM tbl_with_dropped_column;
SELECT * FROM tbl_with_dropped_toast;

--
-- check broken links or orphan toast relations
--
SELECT oid, relname
  FROM pg_class
 WHERE relkind = 't'
   AND oid NOT IN (SELECT reltoastrelid FROM pg_class WHERE relkind = 'r');

SELECT oid, relname
  FROM pg_class
 WHERE relkind = 'r'
   AND reltoastrelid <> 0
   AND reltoastrelid NOT IN (SELECT oid FROM pg_class WHERE relkind = 't');

--
-- clean up
--

DROP TABLE tbl_cluster;
DROP TABLE tbl_only_pkey;
DROP TABLE tbl_only_ckey;
DROP TABLE tbl_gistkey;
DROP TABLE tbl_with_dropped_column;
RESET client_min_messages;