Basic foreign table support.

[postgresql] / src / test / regress / expected / alter_table.out

--
-- ALTER_TABLE
-- add attribute
--
CREATE TABLE tmp (initial int4);
COMMENT ON TABLE tmp_wrong IS 'table comment';
ERROR:  relation "tmp_wrong" does not exist
COMMENT ON TABLE tmp IS 'table comment';
COMMENT ON TABLE tmp IS NULL;
ALTER TABLE tmp ADD COLUMN a int4 default 3;
ALTER TABLE tmp ADD COLUMN b name;
ALTER TABLE tmp ADD COLUMN c text;
ALTER TABLE tmp ADD COLUMN d float8;
ALTER TABLE tmp ADD COLUMN e float4;
ALTER TABLE tmp ADD COLUMN f int2;
ALTER TABLE tmp ADD COLUMN g polygon;
ALTER TABLE tmp ADD COLUMN h abstime;
ALTER TABLE tmp ADD COLUMN i char;
ALTER TABLE tmp ADD COLUMN j abstime[];
ALTER TABLE tmp ADD COLUMN k int4;
ALTER TABLE tmp ADD COLUMN l tid;
ALTER TABLE tmp ADD COLUMN m xid;
ALTER TABLE tmp ADD COLUMN n oidvector;
--ALTER TABLE tmp ADD COLUMN o lock;
ALTER TABLE tmp ADD COLUMN p smgr;
ALTER TABLE tmp ADD COLUMN q point;
ALTER TABLE tmp ADD COLUMN r lseg;
ALTER TABLE tmp ADD COLUMN s path;
ALTER TABLE tmp ADD COLUMN t box;
ALTER TABLE tmp ADD COLUMN u tinterval;
ALTER TABLE tmp ADD COLUMN v timestamp;
ALTER TABLE tmp ADD COLUMN w interval;
ALTER TABLE tmp ADD COLUMN x float8[];
ALTER TABLE tmp ADD COLUMN y float4[];
ALTER TABLE tmp ADD COLUMN z int2[];
INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
        v, w, x, y, z)
   VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)',
        'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}',
        314159, '(1,1)', '512',
        '1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
        '(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["epoch" "infinity"]',
        'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
SELECT * FROM tmp;
 initial | a |  b   |  c   |  d  |  e  | f |           g           |              h               | i |                                               j                                                |   k    |   l   |  m  |        n        |       p       |     q     |           r           |              s              |          t          |                      u                      |            v             |        w         |     x     |     y     |     z     
---------+---+------+------+-----+-----+---+-----------------------+------------------------------+---+------------------------------------------------------------------------------------------------+--------+-------+-----+-----------------+---------------+-----------+-----------------------+-----------------------------+---------------------+---------------------------------------------+--------------------------+------------------+-----------+-----------+-----------
         | 4 | name | text | 4.1 | 4.1 | 2 | ((4.1,4.1),(3.1,3.1)) | Mon May 01 00:30:30 1995 PDT | c | {"Mon May 01 00:30:30 1995 PDT","Mon Aug 24 14:43:07 1992 PDT","Wed Dec 31 16:00:00 1969 PST"} | 314159 | (1,1) | 512 | 1 2 3 4 5 6 7 8 | magnetic disk | (1.1,1.1) | [(4.1,4.1),(3.1,3.1)] | ((0,2),(4.1,4.1),(3.1,3.1)) | (4.1,4.1),(3.1,3.1) | ["Wed Dec 31 16:00:00 1969 PST" "infinity"] | Thu Jan 01 00:00:00 1970 | @ 1 hour 10 secs | {1,2,3,4} | {1,2,3,4} | {1,2,3,4}
(1 row)

DROP TABLE tmp;
-- the wolf bug - schema mods caused inconsistent row descriptors
CREATE TABLE tmp (
        initial         int4
);
ALTER TABLE tmp ADD COLUMN a int4;
ALTER TABLE tmp ADD COLUMN b name;
ALTER TABLE tmp ADD COLUMN c text;
ALTER TABLE tmp ADD COLUMN d float8;
ALTER TABLE tmp ADD COLUMN e float4;
ALTER TABLE tmp ADD COLUMN f int2;
ALTER TABLE tmp ADD COLUMN g polygon;
ALTER TABLE tmp ADD COLUMN h abstime;
ALTER TABLE tmp ADD COLUMN i char;
ALTER TABLE tmp ADD COLUMN j abstime[];
ALTER TABLE tmp ADD COLUMN k int4;
ALTER TABLE tmp ADD COLUMN l tid;
ALTER TABLE tmp ADD COLUMN m xid;
ALTER TABLE tmp ADD COLUMN n oidvector;
--ALTER TABLE tmp ADD COLUMN o lock;
ALTER TABLE tmp ADD COLUMN p smgr;
ALTER TABLE tmp ADD COLUMN q point;
ALTER TABLE tmp ADD COLUMN r lseg;
ALTER TABLE tmp ADD COLUMN s path;
ALTER TABLE tmp ADD COLUMN t box;
ALTER TABLE tmp ADD COLUMN u tinterval;
ALTER TABLE tmp ADD COLUMN v timestamp;
ALTER TABLE tmp ADD COLUMN w interval;
ALTER TABLE tmp ADD COLUMN x float8[];
ALTER TABLE tmp ADD COLUMN y float4[];
ALTER TABLE tmp ADD COLUMN z int2[];
INSERT INTO tmp (a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, s, t, u,
        v, w, x, y, z)
   VALUES (4, 'name', 'text', 4.1, 4.1, 2, '(4.1,4.1,3.1,3.1)',
        'Mon May  1 00:30:30 1995', 'c', '{Mon May  1 00:30:30 1995, Monday Aug 24 14:43:07 1992, epoch}',
        314159, '(1,1)', '512',
        '1 2 3 4 5 6 7 8', 'magnetic disk', '(1.1,1.1)', '(4.1,4.1,3.1,3.1)',
        '(0,2,4.1,4.1,3.1,3.1)', '(4.1,4.1,3.1,3.1)', '["epoch" "infinity"]',
        'epoch', '01:00:10', '{1.0,2.0,3.0,4.0}', '{1.0,2.0,3.0,4.0}', '{1,2,3,4}');
SELECT * FROM tmp;
 initial | a |  b   |  c   |  d  |  e  | f |           g           |              h               | i |                                               j                                                |   k    |   l   |  m  |        n        |       p       |     q     |           r           |              s              |          t          |                      u                      |            v             |        w         |     x     |     y     |     z     
---------+---+------+------+-----+-----+---+-----------------------+------------------------------+---+------------------------------------------------------------------------------------------------+--------+-------+-----+-----------------+---------------+-----------+-----------------------+-----------------------------+---------------------+---------------------------------------------+--------------------------+------------------+-----------+-----------+-----------
         | 4 | name | text | 4.1 | 4.1 | 2 | ((4.1,4.1),(3.1,3.1)) | Mon May 01 00:30:30 1995 PDT | c | {"Mon May 01 00:30:30 1995 PDT","Mon Aug 24 14:43:07 1992 PDT","Wed Dec 31 16:00:00 1969 PST"} | 314159 | (1,1) | 512 | 1 2 3 4 5 6 7 8 | magnetic disk | (1.1,1.1) | [(4.1,4.1),(3.1,3.1)] | ((0,2),(4.1,4.1),(3.1,3.1)) | (4.1,4.1),(3.1,3.1) | ["Wed Dec 31 16:00:00 1969 PST" "infinity"] | Thu Jan 01 00:00:00 1970 | @ 1 hour 10 secs | {1,2,3,4} | {1,2,3,4} | {1,2,3,4}
(1 row)

DROP TABLE tmp;
--
-- rename - check on both non-temp and temp tables
--
CREATE TABLE tmp (regtable int);
CREATE TEMP TABLE tmp (tmptable int);
ALTER TABLE tmp RENAME TO tmp_new;
SELECT * FROM tmp;
 regtable 
----------
(0 rows)

SELECT * FROM tmp_new;
 tmptable 
----------
(0 rows)

ALTER TABLE tmp RENAME TO tmp_new2;
SELECT * FROM tmp;              -- should fail
ERROR:  relation "tmp" does not exist
LINE 1: SELECT * FROM tmp;
                      ^
SELECT * FROM tmp_new;
 tmptable 
----------
(0 rows)

SELECT * FROM tmp_new2;
 regtable 
----------
(0 rows)

DROP TABLE tmp_new;
DROP TABLE tmp_new2;
-- ALTER TABLE ... RENAME on non-table relations
-- renaming indexes (FIXME: this should probably test the index's functionality)
ALTER INDEX onek_unique1 RENAME TO tmp_onek_unique1;
ALTER INDEX tmp_onek_unique1 RENAME TO onek_unique1;
-- renaming views
CREATE VIEW tmp_view (unique1) AS SELECT unique1 FROM tenk1;
ALTER TABLE tmp_view RENAME TO tmp_view_new;
-- hack to ensure we get an indexscan here
ANALYZE tenk1;
set enable_seqscan to off;
set enable_bitmapscan to off;
-- 5 values, sorted
SELECT unique1 FROM tenk1 WHERE unique1 < 5;
 unique1 
---------
       0
       1
       2
       3
       4
(5 rows)

reset enable_seqscan;
reset enable_bitmapscan;
DROP VIEW tmp_view_new;
-- toast-like relation name
alter table stud_emp rename to pg_toast_stud_emp;
alter table pg_toast_stud_emp rename to stud_emp;
-- FOREIGN KEY CONSTRAINT adding TEST
CREATE TABLE tmp2 (a int primary key);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "tmp2_pkey" for table "tmp2"
CREATE TABLE tmp3 (a int, b int);
CREATE TABLE tmp4 (a int, b int, unique(a,b));
NOTICE:  CREATE TABLE / UNIQUE will create implicit index "tmp4_a_b_key" for table "tmp4"
CREATE TABLE tmp5 (a int, b int);
-- Insert rows into tmp2 (pktable)
INSERT INTO tmp2 values (1);
INSERT INTO tmp2 values (2);
INSERT INTO tmp2 values (3);
INSERT INTO tmp2 values (4);
-- Insert rows into tmp3
INSERT INTO tmp3 values (1,10);
INSERT INTO tmp3 values (1,20);
INSERT INTO tmp3 values (5,50);
-- Try (and fail) to add constraint due to invalid source columns
ALTER TABLE tmp3 add constraint tmpconstr foreign key(c) references tmp2 match full;
ERROR:  column "c" referenced in foreign key constraint does not exist
-- Try (and fail) to add constraint due to invalide destination columns explicitly given
ALTER TABLE tmp3 add constraint tmpconstr foreign key(a) references tmp2(b) match full;
ERROR:  column "b" referenced in foreign key constraint does not exist
-- Try (and fail) to add constraint due to invalid data
ALTER TABLE tmp3 add constraint tmpconstr foreign key (a) references tmp2 match full;
ERROR:  insert or update on table "tmp3" violates foreign key constraint "tmpconstr"
DETAIL:  Key (a)=(5) is not present in table "tmp2".
-- Delete failing row
DELETE FROM tmp3 where a=5;
-- Try (and succeed)
ALTER TABLE tmp3 add constraint tmpconstr foreign key (a) references tmp2 match full;
-- Try (and fail) to create constraint from tmp5(a) to tmp4(a) - unique constraint on
-- tmp4 is a,b
ALTER TABLE tmp5 add constraint tmpconstr foreign key(a) references tmp4(a) match full;
ERROR:  there is no unique constraint matching given keys for referenced table "tmp4"
DROP TABLE tmp5;
DROP TABLE tmp4;
DROP TABLE tmp3;
DROP TABLE tmp2;
-- Foreign key adding test with mixed types
-- Note: these tables are TEMP to avoid name conflicts when this test
-- is run in parallel with foreign_key.sql.
CREATE TEMP TABLE PKTABLE (ptest1 int PRIMARY KEY);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "pktable_pkey" for table "pktable"
INSERT INTO PKTABLE VALUES(42);
CREATE TEMP TABLE FKTABLE (ftest1 inet);
-- This next should fail, because int=inet does not exist
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable;
ERROR:  foreign key constraint "fktable_ftest1_fkey" cannot be implemented
DETAIL:  Key columns "ftest1" and "ptest1" are of incompatible types: inet and integer.
-- This should also fail for the same reason, but here we
-- give the column name
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable(ptest1);
ERROR:  foreign key constraint "fktable_ftest1_fkey" cannot be implemented
DETAIL:  Key columns "ftest1" and "ptest1" are of incompatible types: inet and integer.
DROP TABLE FKTABLE;
-- This should succeed, even though they are different types,
-- because int=int8 exists and is a member of the integer opfamily
CREATE TEMP TABLE FKTABLE (ftest1 int8);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable;
-- Check it actually works
INSERT INTO FKTABLE VALUES(42);         -- should succeed
INSERT INTO FKTABLE VALUES(43);         -- should fail
ERROR:  insert or update on table "fktable" violates foreign key constraint "fktable_ftest1_fkey"
DETAIL:  Key (ftest1)=(43) is not present in table "pktable".
DROP TABLE FKTABLE;
-- This should fail, because we'd have to cast numeric to int which is
-- not an implicit coercion (or use numeric=numeric, but that's not part
-- of the integer opfamily)
CREATE TEMP TABLE FKTABLE (ftest1 numeric);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable;
ERROR:  foreign key constraint "fktable_ftest1_fkey" cannot be implemented
DETAIL:  Key columns "ftest1" and "ptest1" are of incompatible types: numeric and integer.
DROP TABLE FKTABLE;
DROP TABLE PKTABLE;
-- On the other hand, this should work because int implicitly promotes to
-- numeric, and we allow promotion on the FK side
CREATE TEMP TABLE PKTABLE (ptest1 numeric PRIMARY KEY);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "pktable_pkey" for table "pktable"
INSERT INTO PKTABLE VALUES(42);
CREATE TEMP TABLE FKTABLE (ftest1 int);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1) references pktable;
-- Check it actually works
INSERT INTO FKTABLE VALUES(42);         -- should succeed
INSERT INTO FKTABLE VALUES(43);         -- should fail
ERROR:  insert or update on table "fktable" violates foreign key constraint "fktable_ftest1_fkey"
DETAIL:  Key (ftest1)=(43) is not present in table "pktable".
DROP TABLE FKTABLE;
DROP TABLE PKTABLE;
CREATE TEMP TABLE PKTABLE (ptest1 int, ptest2 inet,
                           PRIMARY KEY(ptest1, ptest2));
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "pktable_pkey" for table "pktable"
-- This should fail, because we just chose really odd types
CREATE TEMP TABLE FKTABLE (ftest1 cidr, ftest2 timestamp);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2) references pktable;
ERROR:  foreign key constraint "fktable_ftest1_fkey" cannot be implemented
DETAIL:  Key columns "ftest1" and "ptest1" are of incompatible types: cidr and integer.
DROP TABLE FKTABLE;
-- Again, so should this...
CREATE TEMP TABLE FKTABLE (ftest1 cidr, ftest2 timestamp);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2)
     references pktable(ptest1, ptest2);
ERROR:  foreign key constraint "fktable_ftest1_fkey" cannot be implemented
DETAIL:  Key columns "ftest1" and "ptest1" are of incompatible types: cidr and integer.
DROP TABLE FKTABLE;
-- This fails because we mixed up the column ordering
CREATE TEMP TABLE FKTABLE (ftest1 int, ftest2 inet);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2)
     references pktable(ptest2, ptest1);
ERROR:  foreign key constraint "fktable_ftest1_fkey" cannot be implemented
DETAIL:  Key columns "ftest1" and "ptest2" are of incompatible types: integer and inet.
-- As does this...
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest2, ftest1)
     references pktable(ptest1, ptest2);
ERROR:  foreign key constraint "fktable_ftest2_fkey" cannot be implemented
DETAIL:  Key columns "ftest2" and "ptest1" are of incompatible types: inet and integer.
-- temp tables should go away by themselves, need not drop them.
-- test check constraint adding
create table atacc1 ( test int );
-- add a check constraint
alter table atacc1 add constraint atacc_test1 check (test>3);
-- should fail
insert into atacc1 (test) values (2);
ERROR:  new row for relation "atacc1" violates check constraint "atacc_test1"
-- should succeed
insert into atacc1 (test) values (4);
drop table atacc1;
-- let's do one where the check fails when added
create table atacc1 ( test int );
-- insert a soon to be failing row
insert into atacc1 (test) values (2);
-- add a check constraint (fails)
alter table atacc1 add constraint atacc_test1 check (test>3);
ERROR:  check constraint "atacc_test1" is violated by some row
insert into atacc1 (test) values (4);
drop table atacc1;
-- let's do one where the check fails because the column doesn't exist
create table atacc1 ( test int );
-- add a check constraint (fails)
alter table atacc1 add constraint atacc_test1 check (test1>3);
ERROR:  column "test1" does not exist
drop table atacc1;
-- something a little more complicated
create table atacc1 ( test int, test2 int, test3 int);
-- add a check constraint (fails)
alter table atacc1 add constraint atacc_test1 check (test+test2<test3*4);
-- should fail
insert into atacc1 (test,test2,test3) values (4,4,2);
ERROR:  new row for relation "atacc1" violates check constraint "atacc_test1"
-- should succeed
insert into atacc1 (test,test2,test3) values (4,4,5);
drop table atacc1;
-- lets do some naming tests
create table atacc1 (test int check (test>3), test2 int);
alter table atacc1 add check (test2>test);
-- should fail for $2
insert into atacc1 (test2, test) values (3, 4);
ERROR:  new row for relation "atacc1" violates check constraint "atacc1_check"
drop table atacc1;
-- inheritance related tests
create table atacc1 (test int);
create table atacc2 (test2 int);
create table atacc3 (test3 int) inherits (atacc1, atacc2);
alter table atacc2 add constraint foo check (test2>0);
-- fail and then succeed on atacc2
insert into atacc2 (test2) values (-3);
ERROR:  new row for relation "atacc2" violates check constraint "foo"
insert into atacc2 (test2) values (3);
-- fail and then succeed on atacc3
insert into atacc3 (test2) values (-3);
ERROR:  new row for relation "atacc3" violates check constraint "foo"
insert into atacc3 (test2) values (3);
drop table atacc3;
drop table atacc2;
drop table atacc1;
-- same things with one created with INHERIT
create table atacc1 (test int);
create table atacc2 (test2 int);
create table atacc3 (test3 int) inherits (atacc1, atacc2);
alter table atacc3 no inherit atacc2;
-- fail
alter table atacc3 no inherit atacc2;
ERROR:  relation "atacc2" is not a parent of relation "atacc3"
-- make sure it really isn't a child
insert into atacc3 (test2) values (3);
select test2 from atacc2;
 test2 
-------
(0 rows)

-- fail due to missing constraint
alter table atacc2 add constraint foo check (test2>0);
alter table atacc3 inherit atacc2;
ERROR:  child table is missing constraint "foo"
-- fail due to missing column
alter table atacc3 rename test2 to testx;
alter table atacc3 inherit atacc2;
ERROR:  child table is missing column "test2"
-- fail due to mismatched data type
alter table atacc3 add test2 bool;
alter table atacc3 inherit atacc2;
ERROR:  child table "atacc3" has different type for column "test2"
alter table atacc3 drop test2;
-- succeed
alter table atacc3 add test2 int;
update atacc3 set test2 = 4 where test2 is null;
alter table atacc3 add constraint foo check (test2>0);
alter table atacc3 inherit atacc2;
-- fail due to duplicates and circular inheritance
alter table atacc3 inherit atacc2;
ERROR:  relation "atacc2" would be inherited from more than once
alter table atacc2 inherit atacc3;
ERROR:  circular inheritance not allowed
DETAIL:  "atacc3" is already a child of "atacc2".
alter table atacc2 inherit atacc2;
ERROR:  circular inheritance not allowed
DETAIL:  "atacc2" is already a child of "atacc2".
-- test that we really are a child now (should see 4 not 3 and cascade should go through)
select test2 from atacc2;
 test2 
-------
     4
(1 row)

drop table atacc2 cascade;
NOTICE:  drop cascades to table atacc3
drop table atacc1;
-- adding only to a parent is disallowed as of 8.4
create table atacc1 (test int);
create table atacc2 (test2 int) inherits (atacc1);
-- fail:
alter table only atacc1 add constraint foo check (test>0);
ERROR:  constraint must be added to child tables too
-- ok:
alter table only atacc2 add constraint foo check (test>0);
-- check constraint not there on parent
insert into atacc1 (test) values (-3);
insert into atacc1 (test) values (3);
-- check constraint is there on child
insert into atacc2 (test) values (-3);
ERROR:  new row for relation "atacc2" violates check constraint "foo"
insert into atacc2 (test) values (3);
drop table atacc2;
drop table atacc1;
-- test unique constraint adding
create table atacc1 ( test int ) with oids;
-- add a unique constraint
alter table atacc1 add constraint atacc_test1 unique (test);
NOTICE:  ALTER TABLE / ADD UNIQUE will create implicit index "atacc_test1" for table "atacc1"
-- insert first value
insert into atacc1 (test) values (2);
-- should fail
insert into atacc1 (test) values (2);
ERROR:  duplicate key value violates unique constraint "atacc_test1"
DETAIL:  Key (test)=(2) already exists.
-- should succeed
insert into atacc1 (test) values (4);
-- try adding a unique oid constraint
alter table atacc1 add constraint atacc_oid1 unique(oid);
NOTICE:  ALTER TABLE / ADD UNIQUE will create implicit index "atacc_oid1" for table "atacc1"
drop table atacc1;
-- let's do one where the unique constraint fails when added
create table atacc1 ( test int );
-- insert soon to be failing rows
insert into atacc1 (test) values (2);
insert into atacc1 (test) values (2);
-- add a unique constraint (fails)
alter table atacc1 add constraint atacc_test1 unique (test);
NOTICE:  ALTER TABLE / ADD UNIQUE will create implicit index "atacc_test1" for table "atacc1"
ERROR:  could not create unique index "atacc_test1"
DETAIL:  Key (test)=(2) is duplicated.
insert into atacc1 (test) values (3);
drop table atacc1;
-- let's do one where the unique constraint fails
-- because the column doesn't exist
create table atacc1 ( test int );
-- add a unique constraint (fails)
alter table atacc1 add constraint atacc_test1 unique (test1);
ERROR:  column "test1" named in key does not exist
drop table atacc1;
-- something a little more complicated
create table atacc1 ( test int, test2 int);
-- add a unique constraint
alter table atacc1 add constraint atacc_test1 unique (test, test2);
NOTICE:  ALTER TABLE / ADD UNIQUE will create implicit index "atacc_test1" for table "atacc1"
-- insert initial value
insert into atacc1 (test,test2) values (4,4);
-- should fail
insert into atacc1 (test,test2) values (4,4);
ERROR:  duplicate key value violates unique constraint "atacc_test1"
DETAIL:  Key (test, test2)=(4, 4) already exists.
-- should all succeed
insert into atacc1 (test,test2) values (4,5);
insert into atacc1 (test,test2) values (5,4);
insert into atacc1 (test,test2) values (5,5);
drop table atacc1;
-- lets do some naming tests
create table atacc1 (test int, test2 int, unique(test));
NOTICE:  CREATE TABLE / UNIQUE will create implicit index "atacc1_test_key" for table "atacc1"
alter table atacc1 add unique (test2);
NOTICE:  ALTER TABLE / ADD UNIQUE will create implicit index "atacc1_test2_key" for table "atacc1"
-- should fail for @@ second one @@
insert into atacc1 (test2, test) values (3, 3);
insert into atacc1 (test2, test) values (2, 3);
ERROR:  duplicate key value violates unique constraint "atacc1_test_key"
DETAIL:  Key (test)=(3) already exists.
drop table atacc1;
-- test primary key constraint adding
create table atacc1 ( test int ) with oids;
-- add a primary key constraint
alter table atacc1 add constraint atacc_test1 primary key (test);
NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index "atacc_test1" for table "atacc1"
-- insert first value
insert into atacc1 (test) values (2);
-- should fail
insert into atacc1 (test) values (2);
ERROR:  duplicate key value violates unique constraint "atacc_test1"
DETAIL:  Key (test)=(2) already exists.
-- should succeed
insert into atacc1 (test) values (4);
-- inserting NULL should fail
insert into atacc1 (test) values(NULL);
ERROR:  null value in column "test" violates not-null constraint
-- try adding a second primary key (should fail)
alter table atacc1 add constraint atacc_oid1 primary key(oid);
ERROR:  multiple primary keys for table "atacc1" are not allowed
-- drop first primary key constraint
alter table atacc1 drop constraint atacc_test1 restrict;
-- try adding a primary key on oid (should succeed)
alter table atacc1 add constraint atacc_oid1 primary key(oid);
NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index "atacc_oid1" for table "atacc1"
drop table atacc1;
-- let's do one where the primary key constraint fails when added
create table atacc1 ( test int );
-- insert soon to be failing rows
insert into atacc1 (test) values (2);
insert into atacc1 (test) values (2);
-- add a primary key (fails)
alter table atacc1 add constraint atacc_test1 primary key (test);
NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index "atacc_test1" for table "atacc1"
ERROR:  could not create unique index "atacc_test1"
DETAIL:  Key (test)=(2) is duplicated.
insert into atacc1 (test) values (3);
drop table atacc1;
-- let's do another one where the primary key constraint fails when added
create table atacc1 ( test int );
-- insert soon to be failing row
insert into atacc1 (test) values (NULL);
-- add a primary key (fails)
alter table atacc1 add constraint atacc_test1 primary key (test);
ERROR:  column "test" contains null values
insert into atacc1 (test) values (3);
drop table atacc1;
-- let's do one where the primary key constraint fails
-- because the column doesn't exist
create table atacc1 ( test int );
-- add a primary key constraint (fails)
alter table atacc1 add constraint atacc_test1 primary key (test1);
ERROR:  column "test1" named in key does not exist
drop table atacc1;
-- adding a new column as primary key to a non-empty table.
-- should fail unless the column has a non-null default value.
create table atacc1 ( test int );
insert into atacc1 (test) values (0);
-- add a primary key column without a default (fails).
alter table atacc1 add column test2 int primary key;
NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index "atacc1_pkey" for table "atacc1"
ERROR:  column "test2" contains null values
-- now add a primary key column with a default (succeeds).
alter table atacc1 add column test2 int default 0 primary key;
NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index "atacc1_pkey" for table "atacc1"
drop table atacc1;
-- something a little more complicated
create table atacc1 ( test int, test2 int);
-- add a primary key constraint
alter table atacc1 add constraint atacc_test1 primary key (test, test2);
NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index "atacc_test1" for table "atacc1"
-- try adding a second primary key - should fail
alter table atacc1 add constraint atacc_test2 primary key (test);
ERROR:  multiple primary keys for table "atacc1" are not allowed
-- insert initial value
insert into atacc1 (test,test2) values (4,4);
-- should fail
insert into atacc1 (test,test2) values (4,4);
ERROR:  duplicate key value violates unique constraint "atacc_test1"
DETAIL:  Key (test, test2)=(4, 4) already exists.
insert into atacc1 (test,test2) values (NULL,3);
ERROR:  null value in column "test" violates not-null constraint
insert into atacc1 (test,test2) values (3, NULL);
ERROR:  null value in column "test2" violates not-null constraint
insert into atacc1 (test,test2) values (NULL,NULL);
ERROR:  null value in column "test" violates not-null constraint
-- should all succeed
insert into atacc1 (test,test2) values (4,5);
insert into atacc1 (test,test2) values (5,4);
insert into atacc1 (test,test2) values (5,5);
drop table atacc1;
-- lets do some naming tests
create table atacc1 (test int, test2 int, primary key(test));
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "atacc1_pkey" for table "atacc1"
-- only first should succeed
insert into atacc1 (test2, test) values (3, 3);
insert into atacc1 (test2, test) values (2, 3);
ERROR:  duplicate key value violates unique constraint "atacc1_pkey"
DETAIL:  Key (test)=(3) already exists.
insert into atacc1 (test2, test) values (1, NULL);
ERROR:  null value in column "test" violates not-null constraint
drop table atacc1;
-- alter table / alter column [set/drop] not null tests
-- try altering system catalogs, should fail
alter table pg_class alter column relname drop not null;
ERROR:  permission denied: "pg_class" is a system catalog
alter table pg_class alter relname set not null;
ERROR:  permission denied: "pg_class" is a system catalog
-- try altering non-existent table, should fail
alter table non_existent alter column bar set not null;
ERROR:  relation "non_existent" does not exist
alter table non_existent alter column bar drop not null;
ERROR:  relation "non_existent" does not exist
-- test setting columns to null and not null and vice versa
-- test checking for null values and primary key
create table atacc1 (test int not null) with oids;
alter table atacc1 add constraint "atacc1_pkey" primary key (test);
NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index "atacc1_pkey" for table "atacc1"
alter table atacc1 alter column test drop not null;
ERROR:  column "test" is in a primary key
alter table atacc1 drop constraint "atacc1_pkey";
alter table atacc1 alter column test drop not null;
insert into atacc1 values (null);
alter table atacc1 alter test set not null;
ERROR:  column "test" contains null values
delete from atacc1;
alter table atacc1 alter test set not null;
-- try altering a non-existent column, should fail
alter table atacc1 alter bar set not null;
ERROR:  column "bar" of relation "atacc1" does not exist
alter table atacc1 alter bar drop not null;
ERROR:  column "bar" of relation "atacc1" does not exist
-- try altering the oid column, should fail
alter table atacc1 alter oid set not null;
ERROR:  cannot alter system column "oid"
alter table atacc1 alter oid drop not null;
ERROR:  cannot alter system column "oid"
-- try creating a view and altering that, should fail
create view myview as select * from atacc1;
alter table myview alter column test drop not null;
ERROR:  "myview" is not a table or foreign table
alter table myview alter column test set not null;
ERROR:  "myview" is not a table or foreign table
drop view myview;
drop table atacc1;
-- test inheritance
create table parent (a int);
create table child (b varchar(255)) inherits (parent);
alter table parent alter a set not null;
insert into parent values (NULL);
ERROR:  null value in column "a" violates not-null constraint
insert into child (a, b) values (NULL, 'foo');
ERROR:  null value in column "a" violates not-null constraint
alter table parent alter a drop not null;
insert into parent values (NULL);
insert into child (a, b) values (NULL, 'foo');
alter table only parent alter a set not null;
ERROR:  column "a" contains null values
alter table child alter a set not null;
ERROR:  column "a" contains null values
delete from parent;
alter table only parent alter a set not null;
insert into parent values (NULL);
ERROR:  null value in column "a" violates not-null constraint
alter table child alter a set not null;
insert into child (a, b) values (NULL, 'foo');
ERROR:  null value in column "a" violates not-null constraint
delete from child;
alter table child alter a set not null;
insert into child (a, b) values (NULL, 'foo');
ERROR:  null value in column "a" violates not-null constraint
drop table child;
drop table parent;
-- test setting and removing default values
create table def_test (
        c1      int4 default 5,
        c2      text default 'initial_default'
);
insert into def_test default values;
alter table def_test alter column c1 drop default;
insert into def_test default values;
alter table def_test alter column c2 drop default;
insert into def_test default values;
alter table def_test alter column c1 set default 10;
alter table def_test alter column c2 set default 'new_default';
insert into def_test default values;
select * from def_test;
 c1 |       c2        
----+-----------------
  5 | initial_default
    | initial_default
    | 
 10 | new_default
(4 rows)

-- set defaults to an incorrect type: this should fail
alter table def_test alter column c1 set default 'wrong_datatype';
ERROR:  invalid input syntax for integer: "wrong_datatype"
alter table def_test alter column c2 set default 20;
-- set defaults on a non-existent column: this should fail
alter table def_test alter column c3 set default 30;
ERROR:  column "c3" of relation "def_test" does not exist
-- set defaults on views: we need to create a view, add a rule
-- to allow insertions into it, and then alter the view to add
-- a default
create view def_view_test as select * from def_test;
create rule def_view_test_ins as
        on insert to def_view_test
        do instead insert into def_test select new.*;
insert into def_view_test default values;
alter table def_view_test alter column c1 set default 45;
insert into def_view_test default values;
alter table def_view_test alter column c2 set default 'view_default';
insert into def_view_test default values;
select * from def_view_test;
 c1 |       c2        
----+-----------------
  5 | initial_default
    | initial_default
    | 
 10 | new_default
    | 
 45 | 
 45 | view_default
(7 rows)

drop rule def_view_test_ins on def_view_test;
drop view def_view_test;
drop table def_test;
-- alter table / drop column tests
-- try altering system catalogs, should fail
alter table pg_class drop column relname;
ERROR:  permission denied: "pg_class" is a system catalog
-- try altering non-existent table, should fail
alter table nosuchtable drop column bar;
ERROR:  relation "nosuchtable" does not exist
-- test dropping columns
create table atacc1 (a int4 not null, b int4, c int4 not null, d int4) with oids;
insert into atacc1 values (1, 2, 3, 4);
alter table atacc1 drop a;
alter table atacc1 drop a;
ERROR:  column "a" of relation "atacc1" does not exist
-- SELECTs
select * from atacc1;
 b | c | d 
---+---+---
 2 | 3 | 4
(1 row)

select * from atacc1 order by a;
ERROR:  column "a" does not exist
LINE 1: select * from atacc1 order by a;
                                      ^
select * from atacc1 order by "........pg.dropped.1........";
ERROR:  column "........pg.dropped.1........" does not exist
LINE 1: select * from atacc1 order by "........pg.dropped.1........"...
                                      ^
select * from atacc1 group by a;
ERROR:  column "a" does not exist
LINE 1: select * from atacc1 group by a;
                                      ^
select * from atacc1 group by "........pg.dropped.1........";
ERROR:  column "........pg.dropped.1........" does not exist
LINE 1: select * from atacc1 group by "........pg.dropped.1........"...
                                      ^
select atacc1.* from atacc1;
 b | c | d 
---+---+---
 2 | 3 | 4
(1 row)

select a from atacc1;
ERROR:  column "a" does not exist
LINE 1: select a from atacc1;
               ^
select atacc1.a from atacc1;
ERROR:  column atacc1.a does not exist
LINE 1: select atacc1.a from atacc1;
               ^
select b,c,d from atacc1;
 b | c | d 
---+---+---
 2 | 3 | 4
(1 row)

select a,b,c,d from atacc1;
ERROR:  column "a" does not exist
LINE 1: select a,b,c,d from atacc1;
               ^
select * from atacc1 where a = 1;
ERROR:  column "a" does not exist
LINE 1: select * from atacc1 where a = 1;
                                   ^
select "........pg.dropped.1........" from atacc1;
ERROR:  column "........pg.dropped.1........" does not exist
LINE 1: select "........pg.dropped.1........" from atacc1;
               ^
select atacc1."........pg.dropped.1........" from atacc1;
ERROR:  column atacc1.........pg.dropped.1........ does not exist
LINE 1: select atacc1."........pg.dropped.1........" from atacc1;
               ^
select "........pg.dropped.1........",b,c,d from atacc1;
ERROR:  column "........pg.dropped.1........" does not exist
LINE 1: select "........pg.dropped.1........",b,c,d from atacc1;
               ^
select * from atacc1 where "........pg.dropped.1........" = 1;
ERROR:  column "........pg.dropped.1........" does not exist
LINE 1: select * from atacc1 where "........pg.dropped.1........" = ...
                                   ^
-- UPDATEs
update atacc1 set a = 3;
ERROR:  column "a" of relation "atacc1" does not exist
LINE 1: update atacc1 set a = 3;
                          ^
update atacc1 set b = 2 where a = 3;
ERROR:  column "a" does not exist
LINE 1: update atacc1 set b = 2 where a = 3;
                                      ^
update atacc1 set "........pg.dropped.1........" = 3;
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
LINE 1: update atacc1 set "........pg.dropped.1........" = 3;
                          ^
update atacc1 set b = 2 where "........pg.dropped.1........" = 3;
ERROR:  column "........pg.dropped.1........" does not exist
LINE 1: update atacc1 set b = 2 where "........pg.dropped.1........"...
                                      ^
-- INSERTs
insert into atacc1 values (10, 11, 12, 13);
ERROR:  INSERT has more expressions than target columns
LINE 1: insert into atacc1 values (10, 11, 12, 13);
                                               ^
insert into atacc1 values (default, 11, 12, 13);
ERROR:  INSERT has more expressions than target columns
LINE 1: insert into atacc1 values (default, 11, 12, 13);
                                                    ^
insert into atacc1 values (11, 12, 13);
insert into atacc1 (a) values (10);
ERROR:  column "a" of relation "atacc1" does not exist
LINE 1: insert into atacc1 (a) values (10);
                            ^
insert into atacc1 (a) values (default);
ERROR:  column "a" of relation "atacc1" does not exist
LINE 1: insert into atacc1 (a) values (default);
                            ^
insert into atacc1 (a,b,c,d) values (10,11,12,13);
ERROR:  column "a" of relation "atacc1" does not exist
LINE 1: insert into atacc1 (a,b,c,d) values (10,11,12,13);
                            ^
insert into atacc1 (a,b,c,d) values (default,11,12,13);
ERROR:  column "a" of relation "atacc1" does not exist
LINE 1: insert into atacc1 (a,b,c,d) values (default,11,12,13);
                            ^
insert into atacc1 (b,c,d) values (11,12,13);
insert into atacc1 ("........pg.dropped.1........") values (10);
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
LINE 1: insert into atacc1 ("........pg.dropped.1........") values (...
                            ^
insert into atacc1 ("........pg.dropped.1........") values (default);
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
LINE 1: insert into atacc1 ("........pg.dropped.1........") values (...
                            ^
insert into atacc1 ("........pg.dropped.1........",b,c,d) values (10,11,12,13);
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
LINE 1: insert into atacc1 ("........pg.dropped.1........",b,c,d) va...
                            ^
insert into atacc1 ("........pg.dropped.1........",b,c,d) values (default,11,12,13);
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
LINE 1: insert into atacc1 ("........pg.dropped.1........",b,c,d) va...
                            ^
-- DELETEs
delete from atacc1 where a = 3;
ERROR:  column "a" does not exist
LINE 1: delete from atacc1 where a = 3;
                                 ^
delete from atacc1 where "........pg.dropped.1........" = 3;
ERROR:  column "........pg.dropped.1........" does not exist
LINE 1: delete from atacc1 where "........pg.dropped.1........" = 3;
                                 ^
delete from atacc1;
-- try dropping a non-existent column, should fail
alter table atacc1 drop bar;
ERROR:  column "bar" of relation "atacc1" does not exist
-- try dropping the oid column, should succeed
alter table atacc1 drop oid;
-- try dropping the xmin column, should fail
alter table atacc1 drop xmin;
ERROR:  cannot drop system column "xmin"
-- try creating a view and altering that, should fail
create view myview as select * from atacc1;
select * from myview;
 b | c | d 
---+---+---
(0 rows)

alter table myview drop d;
ERROR:  "myview" is not a table, composite type, or foreign table
drop view myview;
-- test some commands to make sure they fail on the dropped column
analyze atacc1(a);
ERROR:  column "a" of relation "atacc1" does not exist
analyze atacc1("........pg.dropped.1........");
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
vacuum analyze atacc1(a);
ERROR:  column "a" of relation "atacc1" does not exist
vacuum analyze atacc1("........pg.dropped.1........");
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
comment on column atacc1.a is 'testing';
ERROR:  column "a" of relation "atacc1" does not exist
comment on column atacc1."........pg.dropped.1........" is 'testing';
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
alter table atacc1 alter a set storage plain;
ERROR:  column "a" of relation "atacc1" does not exist
alter table atacc1 alter "........pg.dropped.1........" set storage plain;
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
alter table atacc1 alter a set statistics 0;
ERROR:  column "a" of relation "atacc1" does not exist
alter table atacc1 alter "........pg.dropped.1........" set statistics 0;
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
alter table atacc1 alter a set default 3;
ERROR:  column "a" of relation "atacc1" does not exist
alter table atacc1 alter "........pg.dropped.1........" set default 3;
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
alter table atacc1 alter a drop default;
ERROR:  column "a" of relation "atacc1" does not exist
alter table atacc1 alter "........pg.dropped.1........" drop default;
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
alter table atacc1 alter a set not null;
ERROR:  column "a" of relation "atacc1" does not exist
alter table atacc1 alter "........pg.dropped.1........" set not null;
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
alter table atacc1 alter a drop not null;
ERROR:  column "a" of relation "atacc1" does not exist
alter table atacc1 alter "........pg.dropped.1........" drop not null;
ERROR:  column "........pg.dropped.1........" of relation "atacc1" does not exist
alter table atacc1 rename a to x;
ERROR:  column "a" does not exist
alter table atacc1 rename "........pg.dropped.1........" to x;
ERROR:  column "........pg.dropped.1........" does not exist
alter table atacc1 add primary key(a);
ERROR:  column "a" named in key does not exist
alter table atacc1 add primary key("........pg.dropped.1........");
ERROR:  column "........pg.dropped.1........" named in key does not exist
alter table atacc1 add unique(a);
ERROR:  column "a" named in key does not exist
alter table atacc1 add unique("........pg.dropped.1........");
ERROR:  column "........pg.dropped.1........" named in key does not exist
alter table atacc1 add check (a > 3);
ERROR:  column "a" does not exist
alter table atacc1 add check ("........pg.dropped.1........" > 3);
ERROR:  column "........pg.dropped.1........" does not exist
create table atacc2 (id int4 unique);
NOTICE:  CREATE TABLE / UNIQUE will create implicit index "atacc2_id_key" for table "atacc2"
alter table atacc1 add foreign key (a) references atacc2(id);
ERROR:  column "a" referenced in foreign key constraint does not exist
alter table atacc1 add foreign key ("........pg.dropped.1........") references atacc2(id);
ERROR:  column "........pg.dropped.1........" referenced in foreign key constraint does not exist
alter table atacc2 add foreign key (id) references atacc1(a);
ERROR:  column "a" referenced in foreign key constraint does not exist
alter table atacc2 add foreign key (id) references atacc1("........pg.dropped.1........");
ERROR:  column "........pg.dropped.1........" referenced in foreign key constraint does not exist
drop table atacc2;
create index "testing_idx" on atacc1(a);
ERROR:  column "a" does not exist
create index "testing_idx" on atacc1("........pg.dropped.1........");
ERROR:  column "........pg.dropped.1........" does not exist
-- test create as and select into
insert into atacc1 values (21, 22, 23);
create table test1 as select * from atacc1;
select * from test1;
 b  | c  | d  
----+----+----
 21 | 22 | 23
(1 row)

drop table test1;
select * into test2 from atacc1;
select * from test2;
 b  | c  | d  
----+----+----
 21 | 22 | 23
(1 row)

drop table test2;
-- try dropping all columns
alter table atacc1 drop c;
alter table atacc1 drop d;
alter table atacc1 drop b;
select * from atacc1;
--
(1 row)

drop table atacc1;
-- test inheritance
create table parent (a int, b int, c int);
insert into parent values (1, 2, 3);
alter table parent drop a;
create table child (d varchar(255)) inherits (parent);
insert into child values (12, 13, 'testing');
select * from parent;
 b  | c  
----+----
  2 |  3
 12 | 13
(2 rows)

select * from child;
 b  | c  |    d    
----+----+---------
 12 | 13 | testing
(1 row)

alter table parent drop c;
select * from parent;
 b  
----
  2
 12
(2 rows)

select * from child;
 b  |    d    
----+---------
 12 | testing
(1 row)

drop table child;
drop table parent;
-- test copy in/out
create table test (a int4, b int4, c int4);
insert into test values (1,2,3);
alter table test drop a;
copy test to stdout;
2       3
copy test(a) to stdout;
ERROR:  column "a" of relation "test" does not exist
copy test("........pg.dropped.1........") to stdout;
ERROR:  column "........pg.dropped.1........" of relation "test" does not exist
copy test from stdin;
ERROR:  extra data after last expected column
CONTEXT:  COPY test, line 1: "10        11      12"
select * from test;
 b | c 
---+---
 2 | 3
(1 row)

copy test from stdin;
select * from test;
 b  | c  
----+----
  2 |  3
 21 | 22
(2 rows)

copy test(a) from stdin;
ERROR:  column "a" of relation "test" does not exist
copy test("........pg.dropped.1........") from stdin;
ERROR:  column "........pg.dropped.1........" of relation "test" does not exist
copy test(b,c) from stdin;
select * from test;
 b  | c  
----+----
  2 |  3
 21 | 22
 31 | 32
(3 rows)

drop table test;
-- test inheritance
create table dropColumn (a int, b int, e int);
create table dropColumnChild (c int) inherits (dropColumn);
create table dropColumnAnother (d int) inherits (dropColumnChild);
-- these two should fail
alter table dropColumnchild drop column a;
ERROR:  cannot drop inherited column "a"
alter table only dropColumnChild drop column b;
ERROR:  cannot drop inherited column "b"
-- these three should work
alter table only dropColumn drop column e;
alter table dropColumnChild drop column c;
alter table dropColumn drop column a;
create table renameColumn (a int);
create table renameColumnChild (b int) inherits (renameColumn);
create table renameColumnAnother (c int) inherits (renameColumnChild);
-- these three should fail
alter table renameColumnChild rename column a to d;
ERROR:  cannot rename inherited column "a"
alter table only renameColumnChild rename column a to d;
ERROR:  inherited column "a" must be renamed in child tables too
alter table only renameColumn rename column a to d;
ERROR:  inherited column "a" must be renamed in child tables too
-- these should work
alter table renameColumn rename column a to d;
alter table renameColumnChild rename column b to a;
-- this should work
alter table renameColumn add column w int;
-- this should fail
alter table only renameColumn add column x int;
ERROR:  column must be added to child tables too
-- Test corner cases in dropping of inherited columns
create table p1 (f1 int, f2 int);
create table c1 (f1 int not null) inherits(p1);
NOTICE:  merging column "f1" with inherited definition
-- should be rejected since c1.f1 is inherited
alter table c1 drop column f1;
ERROR:  cannot drop inherited column "f1"
-- should work
alter table p1 drop column f1;
-- c1.f1 is still there, but no longer inherited
select f1 from c1;
 f1 
----
(0 rows)

alter table c1 drop column f1;
select f1 from c1;
ERROR:  column "f1" does not exist
LINE 1: select f1 from c1;
               ^
drop table p1 cascade;
NOTICE:  drop cascades to table c1
create table p1 (f1 int, f2 int);
create table c1 () inherits(p1);
-- should be rejected since c1.f1 is inherited
alter table c1 drop column f1;
ERROR:  cannot drop inherited column "f1"
alter table p1 drop column f1;
-- c1.f1 is dropped now, since there is no local definition for it
select f1 from c1;
ERROR:  column "f1" does not exist
LINE 1: select f1 from c1;
               ^
drop table p1 cascade;
NOTICE:  drop cascades to table c1
create table p1 (f1 int, f2 int);
create table c1 () inherits(p1);
-- should be rejected since c1.f1 is inherited
alter table c1 drop column f1;
ERROR:  cannot drop inherited column "f1"
alter table only p1 drop column f1;
-- c1.f1 is NOT dropped, but must now be considered non-inherited
alter table c1 drop column f1;
drop table p1 cascade;
NOTICE:  drop cascades to table c1
create table p1 (f1 int, f2 int);
create table c1 (f1 int not null) inherits(p1);
NOTICE:  merging column "f1" with inherited definition
-- should be rejected since c1.f1 is inherited
alter table c1 drop column f1;
ERROR:  cannot drop inherited column "f1"
alter table only p1 drop column f1;
-- c1.f1 is still there, but no longer inherited
alter table c1 drop column f1;
drop table p1 cascade;
NOTICE:  drop cascades to table c1
create table p1(id int, name text);
create table p2(id2 int, name text, height int);
create table c1(age int) inherits(p1,p2);
NOTICE:  merging multiple inherited definitions of column "name"
create table gc1() inherits (c1);
select relname, attname, attinhcount, attislocal
from pg_class join pg_attribute on (pg_class.oid = pg_attribute.attrelid)
where relname in ('p1','p2','c1','gc1') and attnum > 0 and not attisdropped
order by relname, attnum;
 relname | attname | attinhcount | attislocal 
---------+---------+-------------+------------
 c1      | id      |           1 | f
 c1      | name    |           2 | f
 c1      | id2     |           1 | f
 c1      | height  |           1 | f
 c1      | age     |           0 | t
 gc1     | id      |           1 | f
 gc1     | name    |           1 | f
 gc1     | id2     |           1 | f
 gc1     | height  |           1 | f
 gc1     | age     |           1 | f
 p1      | id      |           0 | t
 p1      | name    |           0 | t
 p2      | id2     |           0 | t
 p2      | name    |           0 | t
 p2      | height  |           0 | t
(15 rows)

-- should work
alter table only p1 drop column name;
-- should work. Now c1.name is local and inhcount is 0.
alter table p2 drop column name;
-- should be rejected since its inherited
alter table gc1 drop column name;
ERROR:  cannot drop inherited column "name"
-- should work, and drop gc1.name along
alter table c1 drop column name;
-- should fail: column does not exist
alter table gc1 drop column name;
ERROR:  column "name" of relation "gc1" does not exist
-- should work and drop the attribute in all tables
alter table p2 drop column height;
-- IF EXISTS test
create table dropColumnExists ();
alter table dropColumnExists drop column non_existing; --fail
ERROR:  column "non_existing" of relation "dropcolumnexists" does not exist
alter table dropColumnExists drop column if exists non_existing; --succeed
NOTICE:  column "non_existing" of relation "dropcolumnexists" does not exist, skipping
select relname, attname, attinhcount, attislocal
from pg_class join pg_attribute on (pg_class.oid = pg_attribute.attrelid)
where relname in ('p1','p2','c1','gc1') and attnum > 0 and not attisdropped
order by relname, attnum;
 relname | attname | attinhcount | attislocal 
---------+---------+-------------+------------
 c1      | id      |           1 | f
 c1      | id2     |           1 | f
 c1      | age     |           0 | t
 gc1     | id      |           1 | f
 gc1     | id2     |           1 | f
 gc1     | age     |           1 | f
 p1      | id      |           0 | t
 p2      | id2     |           0 | t
(8 rows)

drop table p1, p2 cascade;
NOTICE:  drop cascades to 2 other objects
DETAIL:  drop cascades to table c1
drop cascades to table gc1
--
-- Test the ALTER TABLE SET WITH/WITHOUT OIDS command
--
create table altstartwith (col integer) with oids;
insert into altstartwith values (1);
select oid > 0, * from altstartwith;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

alter table altstartwith set without oids;
select oid > 0, * from altstartwith; -- fails
ERROR:  column "oid" does not exist
LINE 1: select oid > 0, * from altstartwith;
               ^
select * from altstartwith;
 col 
-----
   1
(1 row)

alter table altstartwith set with oids;
select oid > 0, * from altstartwith;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

drop table altstartwith;
-- Check inheritance cases
create table altwithoid (col integer) with oids;
-- Inherits parents oid column anyway
create table altinhoid () inherits (altwithoid) without oids;
insert into altinhoid values (1);
select oid > 0, * from altwithoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

select oid > 0, * from altinhoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

alter table altwithoid set without oids;
select oid > 0, * from altwithoid; -- fails
ERROR:  column "oid" does not exist
LINE 1: select oid > 0, * from altwithoid;
               ^
select oid > 0, * from altinhoid; -- fails
ERROR:  column "oid" does not exist
LINE 1: select oid > 0, * from altinhoid;
               ^
select * from altwithoid;
 col 
-----
   1
(1 row)

select * from altinhoid;
 col 
-----
   1
(1 row)

alter table altwithoid set with oids;
select oid > 0, * from altwithoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

select oid > 0, * from altinhoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

drop table altwithoid cascade;
NOTICE:  drop cascades to table altinhoid
create table altwithoid (col integer) without oids;
-- child can have local oid column
create table altinhoid () inherits (altwithoid) with oids;
insert into altinhoid values (1);
select oid > 0, * from altwithoid; -- fails
ERROR:  column "oid" does not exist
LINE 1: select oid > 0, * from altwithoid;
               ^
select oid > 0, * from altinhoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

alter table altwithoid set with oids;
NOTICE:  merging definition of column "oid" for child "altinhoid"
select oid > 0, * from altwithoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

select oid > 0, * from altinhoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

-- the child's local definition should remain
alter table altwithoid set without oids;
select oid > 0, * from altwithoid; -- fails
ERROR:  column "oid" does not exist
LINE 1: select oid > 0, * from altwithoid;
               ^
select oid > 0, * from altinhoid;
 ?column? | col 
----------+-----
 t        |   1
(1 row)

drop table altwithoid cascade;
NOTICE:  drop cascades to table altinhoid
-- test renumbering of child-table columns in inherited operations
create table p1 (f1 int);
create table c1 (f2 text, f3 int) inherits (p1);
alter table p1 add column a1 int check (a1 > 0);
alter table p1 add column f2 text;
NOTICE:  merging definition of column "f2" for child "c1"
insert into p1 values (1,2,'abc');
insert into c1 values(11,'xyz',33,0); -- should fail
ERROR:  new row for relation "c1" violates check constraint "p1_a1_check"
insert into c1 values(11,'xyz',33,22);
select * from p1;
 f1 | a1 | f2  
----+----+-----
  1 |  2 | abc
 11 | 22 | xyz
(2 rows)

update p1 set a1 = a1 + 1, f2 = upper(f2);
select * from p1;
 f1 | a1 | f2  
----+----+-----
  1 |  3 | ABC
 11 | 23 | XYZ
(2 rows)

drop table p1 cascade;
NOTICE:  drop cascades to table c1
-- test that operations with a dropped column do not try to reference
-- its datatype
create domain mytype as text;
create temp table foo (f1 text, f2 mytype, f3 text);
insert into foo values('bb','cc','dd');
select * from foo;
 f1 | f2 | f3 
----+----+----
 bb | cc | dd
(1 row)

drop domain mytype cascade;
NOTICE:  drop cascades to table foo column f2
select * from foo;
 f1 | f3 
----+----
 bb | dd
(1 row)

insert into foo values('qq','rr');
select * from foo;
 f1 | f3 
----+----
 bb | dd
 qq | rr
(2 rows)

update foo set f3 = 'zz';
select * from foo;
 f1 | f3 
----+----
 bb | zz
 qq | zz
(2 rows)

select f3,max(f1) from foo group by f3;
 f3 | max 
----+-----
 zz | qq
(1 row)

-- Simple tests for alter table column type
alter table foo alter f1 TYPE integer; -- fails
ERROR:  column "f1" cannot be cast to type integer
alter table foo alter f1 TYPE varchar(10);
create table anothertab (atcol1 serial8, atcol2 boolean,
        constraint anothertab_chk check (atcol1 <= 3));
NOTICE:  CREATE TABLE will create implicit sequence "anothertab_atcol1_seq" for serial column "anothertab.atcol1"
insert into anothertab (atcol1, atcol2) values (default, true);
insert into anothertab (atcol1, atcol2) values (default, false);
select * from anothertab;
 atcol1 | atcol2 
--------+--------
      1 | t
      2 | f
(2 rows)

alter table anothertab alter column atcol1 type boolean; -- fails
ERROR:  column "atcol1" cannot be cast to type boolean
alter table anothertab alter column atcol1 type integer;
select * from anothertab;
 atcol1 | atcol2 
--------+--------
      1 | t
      2 | f
(2 rows)

insert into anothertab (atcol1, atcol2) values (45, null); -- fails
ERROR:  new row for relation "anothertab" violates check constraint "anothertab_chk"
insert into anothertab (atcol1, atcol2) values (default, null);
select * from anothertab;
 atcol1 | atcol2 
--------+--------
      1 | t
      2 | f
      3 | 
(3 rows)

alter table anothertab alter column atcol2 type text
      using case when atcol2 is true then 'IT WAS TRUE'
                 when atcol2 is false then 'IT WAS FALSE'
                 else 'IT WAS NULL!' end;
select * from anothertab;
 atcol1 |    atcol2    
--------+--------------
      1 | IT WAS TRUE
      2 | IT WAS FALSE
      3 | IT WAS NULL!
(3 rows)

alter table anothertab alter column atcol1 type boolean
        using case when atcol1 % 2 = 0 then true else false end; -- fails
ERROR:  default for column "atcol1" cannot be cast to type boolean
alter table anothertab alter column atcol1 drop default;
alter table anothertab alter column atcol1 type boolean
        using case when atcol1 % 2 = 0 then true else false end; -- fails
ERROR:  operator does not exist: boolean <= integer
HINT:  No operator matches the given name and argument type(s). You might need to add explicit type casts.
alter table anothertab drop constraint anothertab_chk;
alter table anothertab drop constraint anothertab_chk; -- fails
ERROR:  constraint "anothertab_chk" of relation "anothertab" does not exist
alter table anothertab drop constraint IF EXISTS anothertab_chk; -- succeeds
NOTICE:  constraint "anothertab_chk" of relation "anothertab" does not exist, skipping
alter table anothertab alter column atcol1 type boolean
        using case when atcol1 % 2 = 0 then true else false end;
select * from anothertab;
 atcol1 |    atcol2    
--------+--------------
 f      | IT WAS TRUE
 t      | IT WAS FALSE
 f      | IT WAS NULL!
(3 rows)

drop table anothertab;
create table another (f1 int, f2 text);
insert into another values(1, 'one');
insert into another values(2, 'two');
insert into another values(3, 'three');
select * from another;
 f1 |  f2   
----+-------
  1 | one
  2 | two
  3 | three
(3 rows)

alter table another
  alter f1 type text using f2 || ' more',
  alter f2 type bigint using f1 * 10;
select * from another;
     f1     | f2 
------------+----
 one more   | 10
 two more   | 20
 three more | 30
(3 rows)

drop table another;
-- table's row type
create table tab1 (a int, b text);
create table tab2 (x int, y tab1);
alter table tab1 alter column b type varchar; -- fails
ERROR:  cannot alter table "tab1" because column "tab2"."y" uses its rowtype
--
-- lock levels
--
drop type lockmodes;
ERROR:  type "lockmodes" does not exist
create type lockmodes as enum (
 'AccessShareLock'
,'RowShareLock'
,'RowExclusiveLock'
,'ShareUpdateExclusiveLock'
,'ShareLock'
,'ShareRowExclusiveLock'
,'ExclusiveLock'
,'AccessExclusiveLock'
);
drop view my_locks;
ERROR:  view "my_locks" does not exist
create or replace view my_locks as
select case when c.relname like 'pg_toast%' then 'pg_toast' else c.relname end, max(mode::lockmodes) as max_lockmode
from pg_locks l join pg_class c on l.relation = c.oid
where virtualtransaction = (
        select virtualtransaction
        from pg_locks
        where transactionid = txid_current()::integer)
and locktype = 'relation'
and relnamespace != (select oid from pg_namespace where nspname = 'pg_catalog')
and c.relname != 'my_locks'
group by c.relname;
create table alterlock (f1 int primary key, f2 text);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "alterlock_pkey" for table "alterlock"
-- share update exclusive
begin; alter table alterlock alter column f2 set statistics 150;
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
(1 row)

rollback;
begin; alter table alterlock cluster on alterlock_pkey;
select * from my_locks order by 1;
    relname     |       max_lockmode       
----------------+--------------------------
 alterlock      | ShareUpdateExclusiveLock
 alterlock_pkey | ShareUpdateExclusiveLock
(2 rows)

commit;
begin; alter table alterlock set without cluster;
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
(1 row)

commit;
begin; alter table alterlock set (fillfactor = 100);
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
 pg_toast  | ShareUpdateExclusiveLock
(2 rows)

commit;
begin; alter table alterlock reset (fillfactor);
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
 pg_toast  | ShareUpdateExclusiveLock
(2 rows)

commit;
begin; alter table alterlock set (toast.autovacuum_enabled = off);
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
 pg_toast  | ShareUpdateExclusiveLock
(2 rows)

commit;
begin; alter table alterlock set (autovacuum_enabled = off);
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
 pg_toast  | ShareUpdateExclusiveLock
(2 rows)

commit;
begin; alter table alterlock alter column f2 set (n_distinct = 1);
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
(1 row)

rollback;
begin; alter table alterlock alter column f2 set storage extended;
select * from my_locks order by 1;
  relname  |       max_lockmode       
-----------+--------------------------
 alterlock | ShareUpdateExclusiveLock
(1 row)

rollback;
-- share row exclusive
begin; alter table alterlock alter column f2 set default 'x';
select * from my_locks order by 1;
  relname  |     max_lockmode      
-----------+-----------------------
 alterlock | ShareRowExclusiveLock
(1 row)

rollback;
-- cleanup
drop table alterlock;
drop view my_locks;
drop type lockmodes;
--
-- alter function
--
create function test_strict(text) returns text as
    'select coalesce($1, ''got passed a null'');'
    language sql returns null on null input;
select test_strict(NULL);
 test_strict 
-------------
 
(1 row)

alter function test_strict(text) called on null input;
select test_strict(NULL);
    test_strict    
-------------------
 got passed a null
(1 row)

create function non_strict(text) returns text as
    'select coalesce($1, ''got passed a null'');'
    language sql called on null input;
select non_strict(NULL);
    non_strict     
-------------------
 got passed a null
(1 row)

alter function non_strict(text) returns null on null input;
select non_strict(NULL);
 non_strict 
------------
 
(1 row)

--
-- alter object set schema
--
create schema alter1;
create schema alter2;
create table alter1.t1(f1 serial primary key, f2 int check (f2 > 0));
NOTICE:  CREATE TABLE will create implicit sequence "t1_f1_seq" for serial column "t1.f1"
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "t1_pkey" for table "t1"
create view alter1.v1 as select * from alter1.t1;
create function alter1.plus1(int) returns int as 'select $1+1' language sql;
create domain alter1.posint integer check (value > 0);
create type alter1.ctype as (f1 int, f2 text);
create function alter1.same(alter1.ctype, alter1.ctype) returns boolean language sql 
as 'select $1.f1 is not distinct from $2.f1 and $1.f2 is not distinct from $2.f2';
create operator alter1.=(procedure = alter1.same, leftarg  = alter1.ctype, rightarg = alter1.ctype);
create operator class alter1.ctype_hash_ops default for type alter1.ctype using hash as
  operator 1 alter1.=(alter1.ctype, alter1.ctype);
create conversion alter1.ascii_to_utf8 for 'sql_ascii' to 'utf8' from ascii_to_utf8;
create text search parser alter1.prs(start = prsd_start, gettoken = prsd_nexttoken, end = prsd_end, lextypes = prsd_lextype);
create text search configuration alter1.cfg(parser = alter1.prs);
create text search template alter1.tmpl(init = dsimple_init, lexize = dsimple_lexize);
create text search dictionary alter1.dict(template = alter1.tmpl);
insert into alter1.t1(f2) values(11);
insert into alter1.t1(f2) values(12);
alter table alter1.t1 set schema alter2;
alter table alter1.v1 set schema alter2;
alter function alter1.plus1(int) set schema alter2;
alter domain alter1.posint set schema alter2;
alter operator class alter1.ctype_hash_ops using hash set schema alter2;
alter operator family alter1.ctype_hash_ops using hash set schema alter2;
alter operator alter1.=(alter1.ctype, alter1.ctype) set schema alter2;
alter function alter1.same(alter1.ctype, alter1.ctype) set schema alter2;
alter type alter1.ctype set schema alter2;
alter conversion alter1.ascii_to_utf8 set schema alter2;
alter text search parser alter1.prs set schema alter2;
alter text search configuration alter1.cfg set schema alter2;
alter text search template alter1.tmpl set schema alter2;
alter text search dictionary alter1.dict set schema alter2;
-- this should succeed because nothing is left in alter1
drop schema alter1;
insert into alter2.t1(f2) values(13);
insert into alter2.t1(f2) values(14);
select * from alter2.t1;
 f1 | f2 
----+----
  1 | 11
  2 | 12
  3 | 13
  4 | 14
(4 rows)

select * from alter2.v1;
 f1 | f2 
----+----
  1 | 11
  2 | 12
  3 | 13
  4 | 14
(4 rows)

select alter2.plus1(41);
 plus1 
-------
    42
(1 row)

-- clean up
drop schema alter2 cascade;
NOTICE:  drop cascades to 13 other objects
DETAIL:  drop cascades to table alter2.t1
drop cascades to view alter2.v1
drop cascades to function alter2.plus1(integer)
drop cascades to type alter2.posint
drop cascades to operator family alter2.ctype_hash_ops for access method hash
drop cascades to type alter2.ctype
drop cascades to function alter2.same(alter2.ctype,alter2.ctype)
drop cascades to operator alter2.=(alter2.ctype,alter2.ctype)
drop cascades to conversion ascii_to_utf8
drop cascades to text search parser prs
drop cascades to text search configuration cfg
drop cascades to text search template tmpl
drop cascades to text search dictionary dict
--
-- composite types
--
CREATE TYPE test_type AS (a int);
\d test_type
Composite type "public.test_type"
 Column |  Type   
--------+---------
 a      | integer

ALTER TYPE nosuchtype ADD ATTRIBUTE b text; -- fails
ERROR:  relation "nosuchtype" does not exist
ALTER TYPE test_type ADD ATTRIBUTE b text;
\d test_type
Composite type "public.test_type"
 Column |  Type   
--------+---------
 a      | integer
 b      | text

ALTER TYPE test_type ADD ATTRIBUTE b text; -- fails
ERROR:  column "b" of relation "test_type" already exists
ALTER TYPE test_type ALTER ATTRIBUTE b SET DATA TYPE varchar;
\d test_type
Composite type "public.test_type"
 Column |       Type        
--------+-------------------
 a      | integer
 b      | character varying

ALTER TYPE test_type ALTER ATTRIBUTE b SET DATA TYPE integer;
\d test_type
Composite type "public.test_type"
 Column |  Type   
--------+---------
 a      | integer
 b      | integer

ALTER TYPE test_type DROP ATTRIBUTE b;
\d test_type
Composite type "public.test_type"
 Column |  Type   
--------+---------
 a      | integer

ALTER TYPE test_type DROP ATTRIBUTE c; -- fails
ERROR:  column "c" of relation "test_type" does not exist
ALTER TYPE test_type DROP ATTRIBUTE IF EXISTS c;
NOTICE:  column "c" of relation "test_type" does not exist, skipping
ALTER TYPE test_type DROP ATTRIBUTE a, ADD ATTRIBUTE d boolean;
\d test_type
Composite type "public.test_type"
 Column |  Type   
--------+---------
 d      | boolean

ALTER TYPE test_type RENAME ATTRIBUTE a TO aa;
ERROR:  column "a" does not exist
ALTER TYPE test_type RENAME ATTRIBUTE d TO dd;
\d test_type
Composite type "public.test_type"
 Column |  Type   
--------+---------
 dd     | boolean

DROP TYPE test_type;
CREATE TYPE test_type1 AS (a int, b text);
CREATE TABLE test_tbl1 (x int, y test_type1);
ALTER TYPE test_type1 ALTER ATTRIBUTE b TYPE varchar; -- fails
ERROR:  cannot alter type "test_type1" because column "test_tbl1"."y" uses it
CREATE TYPE test_type2 AS (a int, b text);
CREATE TABLE test_tbl2 OF test_type2;
\d test_type2
Composite type "public.test_type2"
 Column |  Type   
--------+---------
 a      | integer
 b      | text

\d test_tbl2
   Table "public.test_tbl2"
 Column |  Type   | Modifiers 
--------+---------+-----------
 a      | integer | 
 b      | text    | 
Typed table of type: test_type2

ALTER TYPE test_type2 ADD ATTRIBUTE c text; -- fails
ERROR:  cannot alter type "test_type2" because it is the type of a typed table
HINT:  Use ALTER ... CASCADE to alter the typed tables too.
ALTER TYPE test_type2 ADD ATTRIBUTE c text CASCADE;
\d test_type2
Composite type "public.test_type2"
 Column |  Type   
--------+---------
 a      | integer
 b      | text
 c      | text

\d test_tbl2
   Table "public.test_tbl2"
 Column |  Type   | Modifiers 
--------+---------+-----------
 a      | integer | 
 b      | text    | 
 c      | text    | 
Typed table of type: test_type2

ALTER TYPE test_type2 ALTER ATTRIBUTE b TYPE varchar; -- fails
ERROR:  cannot alter type "test_type2" because it is the type of a typed table
HINT:  Use ALTER ... CASCADE to alter the typed tables too.
ALTER TYPE test_type2 ALTER ATTRIBUTE b TYPE varchar CASCADE;
\d test_type2
Composite type "public.test_type2"
 Column |       Type        
--------+-------------------
 a      | integer
 b      | character varying
 c      | text

\d test_tbl2
        Table "public.test_tbl2"
 Column |       Type        | Modifiers 
--------+-------------------+-----------
 a      | integer           | 
 b      | character varying | 
 c      | text              | 
Typed table of type: test_type2

ALTER TYPE test_type2 DROP ATTRIBUTE b; -- fails
ERROR:  cannot alter type "test_type2" because it is the type of a typed table
HINT:  Use ALTER ... CASCADE to alter the typed tables too.
ALTER TYPE test_type2 DROP ATTRIBUTE b CASCADE;
\d test_type2
Composite type "public.test_type2"
 Column |  Type   
--------+---------
 a      | integer
 c      | text

\d test_tbl2
   Table "public.test_tbl2"
 Column |  Type   | Modifiers 
--------+---------+-----------
 a      | integer | 
 c      | text    | 
Typed table of type: test_type2

ALTER TYPE test_type2 RENAME ATTRIBUTE a TO aa; -- fails
ERROR:  cannot alter type "test_type2" because it is the type of a typed table
HINT:  Use ALTER ... CASCADE to alter the typed tables too.
ALTER TYPE test_type2 RENAME ATTRIBUTE a TO aa CASCADE;
\d test_type2
Composite type "public.test_type2"
 Column |  Type   
--------+---------
 aa     | integer
 c      | text

\d test_tbl2
   Table "public.test_tbl2"
 Column |  Type   | Modifiers 
--------+---------+-----------
 aa     | integer | 
 c      | text    | 
Typed table of type: test_type2

CREATE TYPE test_type_empty AS ();
DROP TYPE test_type_empty;