postgresql/src/test/regress/sql/domain.sql
Tom Lane f85f43dfb5 Backend support for autocommit removed, per recent discussions. The
only remnant of this failed experiment is that the server will take
SET AUTOCOMMIT TO ON.  Still TODO: provide some client-side autocommit
logic in libpq.
2003-05-14 03:26:03 +00:00

249 lines
6.6 KiB
SQL

-- Test Comment / Drop
create domain domaindroptest int4;
comment on domain domaindroptest is 'About to drop this..';
-- currently this will be disallowed
create domain basetypetest domaindroptest;
drop domain domaindroptest;
-- this should fail because already gone
drop domain domaindroptest cascade;
-- TEST Domains.
create domain domainvarchar varchar(5);
create domain domainnumeric numeric(8,2);
create domain domainint4 int4;
create domain domaintext text;
-- Test explicit coercions --- these should succeed (and truncate)
SELECT cast('123456' as domainvarchar);
SELECT cast('12345' as domainvarchar);
-- Test tables using domains
create table basictest
( testint4 domainint4
, testtext domaintext
, testvarchar domainvarchar
, testnumeric domainnumeric
);
INSERT INTO basictest values ('88', 'haha', 'short', '123.12'); -- Good
INSERT INTO basictest values ('88', 'haha', 'short text', '123.12'); -- Bad varchar
INSERT INTO basictest values ('88', 'haha', 'short', '123.1212'); -- Truncate numeric
-- Test copy
COPY basictest (testvarchar) FROM stdin; -- fail
notsoshorttext
\.
COPY basictest (testvarchar) FROM stdin;
short
\.
select * from basictest;
-- check that domains inherit operations from base types
select testtext || testvarchar as concat, testnumeric + 42 as sum
from basictest;
drop table basictest;
drop domain domainvarchar restrict;
drop domain domainnumeric restrict;
drop domain domainint4 restrict;
drop domain domaintext;
-- Array Test
create domain domainint4arr int4[1];
create domain domaintextarr text[2][3];
create table domarrtest
( testint4arr domainint4arr
, testtextarr domaintextarr
);
INSERT INTO domarrtest values ('{2,2}', '{{"a","b"}{"c","d"}}');
INSERT INTO domarrtest values ('{{2,2}{2,2}}', '{{"a","b"}}');
INSERT INTO domarrtest values ('{2,2}', '{{"a","b"}{"c","d"}{"e"}}');
INSERT INTO domarrtest values ('{2,2}', '{{"a"}{"c"}}');
INSERT INTO domarrtest values (NULL, '{{"a","b"}{"c","d","e"}}');
select * from domarrtest;
select testint4arr[1], testtextarr[2:2] from domarrtest;
drop table domarrtest;
drop domain domainint4arr restrict;
drop domain domaintextarr restrict;
create domain dnotnull varchar(15) NOT NULL;
create domain dnull varchar(15);
create domain dcheck varchar(15) NOT NULL CHECK (VALUE = 'a' OR VALUE = 'c' OR VALUE = 'd');
create table nulltest
( col1 dnotnull
, col2 dnotnull NULL -- NOT NULL in the domain cannot be overridden
, col3 dnull NOT NULL
, col4 dnull
, col5 dcheck CHECK (col5 IN ('c', 'd'))
);
INSERT INTO nulltest DEFAULT VALUES;
INSERT INTO nulltest values ('a', 'b', 'c', 'd', 'c'); -- Good
insert into nulltest values ('a', 'b', 'c', 'd', NULL);
insert into nulltest values ('a', 'b', 'c', 'd', 'a');
INSERT INTO nulltest values (NULL, 'b', 'c', 'd', 'd');
INSERT INTO nulltest values ('a', NULL, 'c', 'd', 'c');
INSERT INTO nulltest values ('a', 'b', NULL, 'd', 'c');
INSERT INTO nulltest values ('a', 'b', 'c', NULL, 'd'); -- Good
-- Test copy
COPY nulltest FROM stdin; --fail
a b \N d \N
\.
-- Last row is bad
COPY nulltest FROM stdin;
a b c \N c
a b c \N d
a b c \N a
\.
select * from nulltest;
-- Test out coerced (casted) constraints
SELECT cast('1' as dnotnull);
SELECT cast(NULL as dnotnull); -- fail
SELECT cast(cast(NULL as dnull) as dnotnull); -- fail
SELECT cast(col4 as dnotnull) from nulltest; -- fail
-- cleanup
drop table nulltest;
drop domain dnotnull restrict;
drop domain dnull restrict;
drop domain dcheck restrict;
create domain ddef1 int4 DEFAULT 3;
create domain ddef2 oid DEFAULT '12';
-- Type mixing, function returns int8
create domain ddef3 text DEFAULT 5;
create sequence ddef4_seq;
create domain ddef4 int4 DEFAULT nextval(cast('ddef4_seq' as text));
create domain ddef5 numeric(8,2) NOT NULL DEFAULT '12.12';
create table defaulttest
( col1 ddef1
, col2 ddef2
, col3 ddef3
, col4 ddef4 PRIMARY KEY
, col5 ddef1 NOT NULL DEFAULT NULL
, col6 ddef2 DEFAULT '88'
, col7 ddef4 DEFAULT 8000
, col8 ddef5
);
insert into defaulttest default values;
insert into defaulttest default values;
insert into defaulttest default values;
-- Test defaults with copy
COPY defaulttest(col5) FROM stdin;
42
\.
select * from defaulttest;
drop sequence ddef4_seq;
drop table defaulttest cascade;
-- Test ALTER DOMAIN .. NOT NULL
create domain dnotnulltest integer;
create table domnotnull
( col1 dnotnulltest
, col2 dnotnulltest
);
insert into domnotnull default values;
alter domain dnotnulltest set not null; -- fails
update domnotnull set col1 = 5;
alter domain dnotnulltest set not null; -- fails
update domnotnull set col2 = 6;
alter domain dnotnulltest set not null;
alter domain dnotnulltest set not null; -- fails
update domnotnull set col1 = null; -- fails
alter domain dnotnulltest drop not null;
alter domain dnotnulltest drop not null; -- fails
update domnotnull set col1 = null;
drop domain dnotnulltest cascade;
-- Test ALTER DOMAIN .. DEFAULT ..
create table domdeftest (col1 ddef1);
insert into domdeftest default values;
select * from domdeftest;
alter domain ddef1 set default '42';
insert into domdeftest default values;
select * from domdeftest;
alter domain ddef1 drop default;
insert into domdeftest default values;
select * from domdeftest;
drop table domdeftest;
-- Test ALTER DOMAIN .. CONSTRAINT ..
create domain con as integer;
create table domcontest (col1 con);
insert into domcontest values (1);
insert into domcontest values (2);
alter domain con add constraint t check (VALUE < 1); -- fails
alter domain con add constraint t check (VALUE < 34);
alter domain con add check (VALUE > 0);
insert into domcontest values (-5); -- fails
insert into domcontest values (42); -- fails
insert into domcontest values (5);
alter domain con drop constraint t;
insert into domcontest values (-5); --fails
insert into domcontest values (42);
-- Confirm ALTER DOMAIN with RULES.
create table domtab (col1 integer);
create domain dom as integer;
create view domview as select cast(col1 as dom) from domtab;
insert into domtab (col1) values (null);
insert into domtab (col1) values (5);
select * from domview;
alter domain dom set not null;
select * from domview; -- fail
alter domain dom drop not null;
select * from domview;
alter domain dom add constraint domchkgt6 check(value > 6);
select * from domview; --fail
alter domain dom drop constraint domchkgt6 restrict;
select * from domview;
-- cleanup
drop domain ddef1 restrict;
drop domain ddef2 restrict;
drop domain ddef3 restrict;
drop domain ddef4 restrict;
drop domain ddef5 restrict;