\set VERBOSITY terse
SET search_path = 'public';
CREATE EXTENSION pg_pathman;
CREATE SCHEMA test_updates;
/*
 * Test UPDATEs on a partition with different TupleDescriptor.
 */
/* create partitioned table */
CREATE TABLE test_updates.test(a FLOAT4, val INT4 NOT NULL, b FLOAT8);
INSERT INTO test_updates.test SELECT i, i, i FROM generate_series(1, 100) AS i;
SELECT create_range_partitions('test_updates.test', 'val', 1, 10);
 create_range_partitions 
-------------------------
                      10
(1 row)

/* drop column 'a' */
ALTER TABLE test_updates.test DROP COLUMN a;
/* append new partition */
SELECT append_range_partition('test_updates.test');
 append_range_partition 
------------------------
 test_updates.test_11
(1 row)

INSERT INTO test_updates.test_11 (val, b) VALUES (101, 10);
VACUUM ANALYZE;
/* tuple descs are the same */
EXPLAIN (COSTS OFF) UPDATE test_updates.test SET b = 0 WHERE val = 1;
        QUERY PLAN         
---------------------------
 Update on test_1
   ->  Seq Scan on test_1
         Filter: (val = 1)
(3 rows)

UPDATE test_updates.test SET b = 0 WHERE val = 1 RETURNING *, tableoid::REGCLASS;
 val | b |      tableoid       
-----+---+---------------------
   1 | 0 | test_updates.test_1
(1 row)

/* tuple descs are different */
EXPLAIN (COSTS OFF) UPDATE test_updates.test SET b = 0 WHERE val = 101;
         QUERY PLAN          
-----------------------------
 Update on test_11
   ->  Seq Scan on test_11
         Filter: (val = 101)
(3 rows)

UPDATE test_updates.test SET b = 0 WHERE val = 101 RETURNING *, tableoid::REGCLASS;
 val | b |       tableoid       
-----+---+----------------------
 101 | 0 | test_updates.test_11
(1 row)

CREATE TABLE test_updates.test_dummy (val INT4);
EXPLAIN (COSTS OFF) UPDATE test_updates.test SET val = val + 1
WHERE val = 101 AND val = ANY (TABLE test_updates.test_dummy)
RETURNING *, tableoid::REGCLASS;
             QUERY PLAN             
------------------------------------
 Update on test_11
   ->  Nested Loop Semi Join
         ->  Seq Scan on test_11
               Filter: (val = 101)
         ->  Seq Scan on test_dummy
               Filter: (val = 101)
(6 rows)

EXPLAIN (COSTS OFF) UPDATE test_updates.test t1 SET b = 0
FROM test_updates.test_dummy t2
WHERE t1.val = 101 AND t1.val = t2.val
RETURNING t1.*, t1.tableoid::REGCLASS;
              QUERY PLAN               
---------------------------------------
 Update on test_11 t1
   ->  Nested Loop
         ->  Seq Scan on test_11 t1
               Filter: (val = 101)
         ->  Seq Scan on test_dummy t2
               Filter: (val = 101)
(6 rows)

EXPLAIN (COSTS OFF) UPDATE test_updates.test SET b = 0
WHERE val = 101 AND test >= (100, 8)
RETURNING *, tableoid::REGCLASS;
                                    QUERY PLAN                                     
-----------------------------------------------------------------------------------
 Update on test_11
   ->  Seq Scan on test_11
         Filter: (((test_11.*)::test_updates.test >= ROW(100, 8)) AND (val = 101))
(3 rows)

/* execute this one */
UPDATE test_updates.test SET b = 0
WHERE val = 101 AND test >= (100, -1)
RETURNING test;
  test   
---------
 (101,0)
(1 row)

DROP TABLE test_updates.test_dummy;
DROP SCHEMA test_updates CASCADE;
NOTICE:  drop cascades to 13 other objects
DROP EXTENSION pg_pathman;