-- Tests that check that our query functionality behaves as expected when the
-- table schema is modified via ALTER statements.
ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 620000;
SELECT count(*) FROM customer;
 count 
-------
  1000
(1 row)

SELECT * FROM customer LIMIT 2;
 c_custkey |       c_name       |           c_address            | c_nationkey |     c_phone     | c_acctbal | c_mktsegment |                            c_comment                            
-----------+--------------------+--------------------------------+-------------+-----------------+-----------+--------------+-----------------------------------------------------------------
         1 | Customer#000000001 | IVhzIApeRb ot,c,E              |          15 | 25-989-741-2988 |    711.56 | BUILDING     | to the even, regular platelets. regular, ironic epitaphs nag e
         2 | Customer#000000002 | XSTf4,NCwDVaWNe6tEgvwfmRchLXak |          13 | 23-768-687-3665 |    121.65 | AUTOMOBILE   | l accounts. blithely ironic theodolites integrate boldly: caref
(2 rows)

ALTER TABLE customer ADD COLUMN new_column1 INTEGER;
NOTICE:  using one-phase commit for distributed DDL commands
HINT:  You can enable two-phase commit for extra safety with: SET citus.multi_shard_commit_protocol TO '2pc'
ALTER TABLE customer ADD COLUMN new_column2 INTEGER;
SELECT count(*) FROM customer;
 count 
-------
  1000
(1 row)

SELECT * FROM customer LIMIT 2;
 c_custkey |       c_name       |           c_address            | c_nationkey |     c_phone     | c_acctbal | c_mktsegment |                            c_comment                            | new_column1 | new_column2 
-----------+--------------------+--------------------------------+-------------+-----------------+-----------+--------------+-----------------------------------------------------------------+-------------+-------------
         1 | Customer#000000001 | IVhzIApeRb ot,c,E              |          15 | 25-989-741-2988 |    711.56 | BUILDING     | to the even, regular platelets. regular, ironic epitaphs nag e  |             |            
         2 | Customer#000000002 | XSTf4,NCwDVaWNe6tEgvwfmRchLXak |          13 | 23-768-687-3665 |    121.65 | AUTOMOBILE   | l accounts. blithely ironic theodolites integrate boldly: caref |             |            
(2 rows)

ALTER TABLE customer DROP COLUMN new_column1;
ALTER TABLE customer DROP COLUMN new_column2;
SELECT count(*) FROM customer;
 count 
-------
  1000
(1 row)

SELECT * FROM customer LIMIT 2;
 c_custkey |       c_name       |           c_address            | c_nationkey |     c_phone     | c_acctbal | c_mktsegment |                            c_comment                            
-----------+--------------------+--------------------------------+-------------+-----------------+-----------+--------------+-----------------------------------------------------------------
         1 | Customer#000000001 | IVhzIApeRb ot,c,E              |          15 | 25-989-741-2988 |    711.56 | BUILDING     | to the even, regular platelets. regular, ironic epitaphs nag e
         2 | Customer#000000002 | XSTf4,NCwDVaWNe6tEgvwfmRchLXak |          13 | 23-768-687-3665 |    121.65 | AUTOMOBILE   | l accounts. blithely ironic theodolites integrate boldly: caref
(2 rows)

-- Verify joins work with dropped columns.
SELECT count(*) FROM customer, orders WHERE c_custkey = o_custkey;
 count 
-------
  1955
(1 row)

-- Test joinExpr aliases by performing an outer-join. This code path is
-- currently not exercised, but we are adding this test to catch this bug when
-- we start supporting outer joins.
SELECT c_custkey
FROM   (customer LEFT OUTER JOIN orders ON (c_custkey = o_custkey)) AS
       test(c_custkey, c_nationkey)
       INNER JOIN lineitem ON (test.c_custkey = l_orderkey)
LIMIT 10;
ERROR:  cannot run outer join query if join is not on the partition column
DETAIL:  Outer joins requiring repartitioning are not supported.